Question1: Which of the following ports are MOST commonly used to interactively configure a networking device? (Select TWO).
Question2: A network technician needs to address bandwidth issues on the wireless network. There are currently four 802.11n access points. The technician would like to increase the bandwidth. Which of the following would be the BEST solution?
Question3: A new network administrator is hired to replace a consultant that has been keeping the network running for several months. After a month, the network administrator is having network issues. The problems are easily resolved and appear to be changes in the server settings. The log files on the servers do not contain any error or messages related to the issues. Which of the following is a possible cause of the issues?
Question4: A technician is configuring a managed switch and needs to enable 802.3af. Which of the following should the technician enable?
Question5: The networking concept of split horizon is designed to prevent which of the following?
Question6: A network technician has created a network consisting of an external internet connection, a DMZ, an internal private network, and an administrative network. All routers and switches should be configured to accept SSH connections from which of the following network segments?
Question7: A network technician is attempting to connect a new host to existing manufacturing equipment on an Ethernet network. The technician is having issues trying to establish communication between the old equipment and the new host. The technician checks the cabling for breaks and finds that the CAT3 cable in use is in perfect condition. Which of the following should the technician check to ensure the new host will connect?
Question8: During a high availability test of a system, a fiber interruption did not re-route traffic. This is an indication of which of the following routing concepts?
Question9: A technician has punched down only the middle two pins (pins 4 and 5) on an ethernet patch panel. The technician has cabled this port to be used with which of the following?
Question10: When setting up a virtual machine, which of the following is an advantage of a virtual NIC as compared to a hardware NIC?
Question11: An attacker has connected to an unused VoIP phone port to gain unauthorized access to a network. This is an example of which of the following attacks?
Question12: Which of the following concepts are MOST important for a company's long term health in the event of a disaster? (Select TWO).
Question13: After receiving an IP lease from a DHCP server, when will a client first contact the DHCP server again to renew the lease?
Question14: A technician needs to limit the amount of broadcast traffic on a network and allow different segments to communicate with each other. Which of the following options would satisfy these requirements?
Question15: A user reports a network failure on a computer. The technician determines that the computer and NIC are operating properly. Which of the following tools can the technician use to trace the network cabling back to the punch down block?
Question16: A user is unable to connect to a server in another building. A technician is troubleshooting the issue and determines the following:
1) Client PC 1 has an IP address if 192.168.10.25/25
2) PC 1 can successfully ping its gateway of 192.168.10.1/25 which is an interface of router A
3 ) Server A is named 'BLDGBFILESRVR01' and has an IP address of 192.168.10.145/25
4 ) PC 2 with an IP address of 192.168.10.200/25 can successfully ping server A However, when PC 1 pings server A, it receives a destination host unreachable responds.
Which of the following is the MOST likely cause?
Question17: A technician is looking at an issue with a computer connecting to the network. The technician determines wire 3 of a UTP Ethernet cable run has a break in it. This computer was previously connected to the switch at 1Gbps throughput. This PC is a kiosk and does not need anything more than 50-60Mbps connection speed. Which of the following can the technician do to resolve the issue quickly?
Question18: Upon arrival at work, an administrator is informed that network users cannot access the file server. The administrator logs onto the server and sees the updates were automatically installed and the network connection shows limited and no availability. Which of the following needs to be rolled back?
Question19: Keeping an authoritative and timely record of network devices and their settings is a key activity of which of the following?
Question20: An administrator is receiving reports from an executive that the executive's wireless access point loses the signal frequently, even though the WAP is on the executive's desk. The office contains four other 802.11n access points. Which of the following would MOST likely correct interference problems in the executive's office?
Question21: When querying a DNS server for an AAAA record, which of the following is an appropriate response?
Question22: Ann, a network technician, was asked to remove a virus. Issues were found several levels deep within the directory structure. To ensure the virus has not infected the .mp4 files in the directory, she views one of the files and believes it contains illegal material. Which of the following forensics actions should Ann perform?
Question23: Coverage analysis for a new implementation of 802.11n WLAN involves which of the following? (Select TWO)
Question24: A network administrator has created a virtual machine in the cloud. The technician would like to connect to the server remotely using RDP. Which of the following default ports needs to be opened?
Question25: A malicious student is blocking mobile devices from connecting to the internet when other students are in the classroom. Which of the following is the malicious student implementing?
Question26: Which of the following communication modes has the LOWEST overhead necessary to support streaming protocols such as RTP?
Question27: Which of the following standards can operate at both the 2.4GHz and 5GHz frequencies?
Question28: A customer wishes to network several computers throughout a large warehouse containing numerous metal shelves and concrete walls. The computers are at least 175 meters (574 feet) apart. Which of the following media types should be recommended for the customer using only a single switch?
Question29: A technician has installed an 802.11n network, and most users are able to see speeds of up to 300Mbps. There are a few users who have an 802.1 1n network card but are unable to get speeds higher that 108Mbps. Which of the following should the technician perform to fix the issue?
Question30: Packet analysis reveals multiple GET and POST requests from an internal host to a URL without any response from the server. Which of the following is the BEST explanation that describes this scenario?
Question31: A technician is tasked with connecting a router to a DWDM. The technician connects the router to the multiplexer and confirms that there is a good signal level. However, the interface on the router will not come up. Which of the following is the MOST likely cause?
Question32: Which of the following integrity security mechanisms ensures that a sent message has been received intact, by the intended receiver?
Question33: Which of the following devices implements CSMA/CA virtually through the RTS/CTS protocols?
Question34: A technician is configuring mobile devices for new employees.
Which of the following documents should be updated to show that the new employees are receiving these mobile devices?
Question35: A company has a new offering to provide access to their product from a central location rather than clients internally hosting the product on the client network. The product contains sensitive corporate information that should not be accessible from one client to another.
This is an example of which of the following?
Question36: Which of the following network infrastructure implementations would be used to connect two remote sales back to the main campus for all data and voice traffic?
Question37: When a client calls and describes a problem with a computer not being able to reach the Internet, in which of the following places of the OSI model would a technician begin troubleshooting?
Question38: A network technician receives the following alert from a network device:
"High utilizations threshold exceeded on gi1/0/24 : current value 9413587.54" Which of the following is being monitored to trigger the alarm?
Question39: A company needs to implement stronger authentication, by adding an authentication factor to their wireless system, which currently only supports WPA with pre-shared keys. The backend authentication system supports EAP and TTLS. Which of the following should the network administrator implement?
Question40: A network technician is responsible for the basic security of the network. Management has asked if there is a way to improve the level of access users have to the company file server. Right now, any employee can upload and download files with basic system credentials. Which of the following would require additional credentials?
Question41: A network administrator receives a call asking for assistance with connecting to the network. The user asks for the IP address, subnet class, and VLAN required to access the network. This describes which of the following attacks?
Question42: Which of the following is used to create a secure connection between a client and a host?
Question43: Ann, a network technician is preparing to configure a company's network. She has installed a firewall to allow for an internal DMZ and external network. No hosts on the internal network should be directly accessible by IP address from the internet, but they should be able to communicate with remote networks after receiving a proper IP address. Which of the following is an addressing scheme that will work in this situation?
Question44: OFDM, QAM and QPSK are all examples of which of the following wireless technologies?
Question45: The administrator's network has OSPF for the internal routing protocol. One port going out to the Internet is congested. The data is going out to the Internet, but queues up before sending. Which of the following would resolve this issue?
Output:
Fast Ethernet 0 is up, line protocol is up
Int ip address is 10.20.130.5/25
MTU 1500 bytes, BW10000 kbit, DLY 100 usec
Reliability 255/255, Tx load 1/255, Rx load 1/255
Encapsulation ospf, loopback not set
Keep alive 10
Half duplex, 100Mb/s, 100 Base Tx/Fx
Received 1052993 broadcasts
0 input errors
9 83881 packets output, 768588 bytes
0 output errors, 0 collisions, 0 resets
Question46: Which of the following communication technologies would MOST likely be used to increase bandwidth over an existing fiber optic network by combining multiple signals at different wavelengths?
Question47: A customer is attempting to download a file from a remote FTP server, but receives an error that a connection cannot be opened. Which of the following should be one FIRST to resolve the problem?
Question48: An organization wants to perform maintenance on any of its web servers without affecting the service availability during a scheduled change window. Which of the following network devices would be required to provide this functionality?
Question49: Which of the following describes a DNS server?
Question50: A user is unable to connect to a server in another building. A technician is troubleshooting the issue and determines the following:
1) Client PC 1 has an IP address if 192.168.10.25/25
2) PC 1 can successfully ping its gateway of 192.168.10.1/25 which is an interface of router A
3 ) Server A is named 'BLDGBFILESRVR01' and has an IP address of 192.168.10.145/25
4 ) PC 2 with an IP address of 192.168.10.200/25 can successfully ping server A However, when PC 1 pings server A, it receives a destination host unreachable responds.
Which of the following is the MOST likely cause?
Question51: A technician is installing a network firewall and would like to block all WAN to LAN traffic that is using ports other than the default ports for Internet and email connectivity. Which of the following rules should the technician verify FIRST?
Question52: A network administrator is comparing several different wireless technologies. To calculate the effective maximum file transfer rate instead of the theoretical, which of the following should be measured?
Question53: Which of the following is characterized by an attacker attempting to map out an organization's staff hierarchy in order to send targeted emails?
Question54: QoS operates at which of the following OSI model layers? (Select TWO)
Question55: Which of the following describes what occurs with the ID of a specified native VLAN when traffic passes over a trunk?
Question56: A network technician is troubleshooting intermittent issues with VoIP call quality. A throughput tester can help assess the functionality of which of the following?
Question57: How does a DHCP reservation work?
Question58: Which of the following devices should be installed on a network to monitor the presence of and actively defend against attacks?
Question59: A company has just implemented VoIP. Prior to the implementation, all of the switches were upgraded to layer 3 capable in order to more adequately route packages. This is an example of which of the following network segmentation techniques?
Question60: A network technician has received comments from several users that cannot reach a particular website. Which of the following commands would provide the BEST information about the path taken across the network to this website?
Question61: A home office has a dozen devices that need a class based DHCP device to assign addresses. The subnet only has one octet for the host portion of each device. Which of the following IP addresses would be assigned to the default gateway?
Question62: Which of the following uses certificates as a form of security?
Question63: Channel bonding will improve which of the following wireless characteristics?
Question64: Which of the following defines when Pete, an attacker, attempts to monitor wireless traffic in order to perform malicious activities?
Question65: An administrator notices an abnormally high level of network traffic from a server. Upon logging into the server, the administrator runs the following command:
Which of the following should the administrator use to correlate the active connection with the running service?
Question66: Which of the following network topologies allows only communication to take place from one node at a time by passing a token around the network?
Question67: A technician is installing new PCs on the network. After installing the latest patches and OS updates, a user is receiving an "unsupported version" error message when accessing a web-based application. Which of the following should the technician perform to fix this issue?
Question68: Which of the following is the number of bits there are in 1024 bytes?
Question69: A security department notices that the ports on a FTP server are experiencing a high rate of traffic, preventing legitimate traffic from reaching the server. Which of the following would the security department implement to identify and trap new attacks?
Question70: Which of the following mediums is circuit switched?
Question71: Company policies require that all network infrastructure devices send system level information to a centralized server. Which of the following should be implemented to ensure the network administrator can review device error information from one central location?
Question72: A technician would like to track the improvement of the network infrastructure after upgrades. Which of the following should the technician implement to have an accurate comparison?
Question73: A SOHO with ten Wi-Fi equipped laptops needs a new network installed. Which of the following items would be used to setup the office using a new DSL line? (Select TWO).
Question74: Which of the following network devices restricts traffic based on words, signatures, and URLs?
Question75: Which of the following technologies is designed to keep systems uptime running in the event of a disaster?
Question76: Which of the following allows a central point to simultaneously address other points without addressing all of them?
Question77: A network technician has configured a point-to-point interface on a router, however, once the fiber optic cables have been run, the interface will not come up. The technician has cleaned the fiber connectors and used an optical power meter to confirm that light is passing in both directions without excessive loss. Which of the following is the MOST likely cause?
Question78: An administrator reassigns a laptop to a different user in the company. Upon delivering the laptop to the new user, the administrator documents the new location, the user of the device and when the device was reassigned. Which of the following BEST describes these actions?
Question79: Which of the following methods for network performance optimization is used to distribute traffic among similar devices?
Question80: A network technician is asked to redesign an Ethernet network before new monitoring software is added to each host on the network. The new software will broadcast statistics from each host to a monitoring host for each of the five departments in the company. The added network traffic is a concern of management that must be addressed. Which of the following solutions should the technician design into the new network?
Question81: A user has a network device that streams media to the LAN. The device is visible on the network. All PCs on the LAN can ping the device. All firewalls are turned off. The streaming device appears to function properly, but the media will not stream as requested. Which of the following TCP/IP technologies is not implemented properly?
Question82: Which of the following would Kim, a technician, do to monitor remote traffic through an access point?
Question83: A network administrator recently installed a web proxy server at a customer's site. The following week, a system administrator replaced the DNS server overnight. The next day, customers began having issues accessing public websites. Which of the following will resolve the issue?
Question84: A supervisor requests that a technician downloads a MIB for a particular server.
Which of the following protocols requires MIBs?
Question85: A company is building a new 10Gb Ethernet top of rack network. Which of the following media is MOST cost-effective for this implementation?
Question86: Which of the following utilities would a technician use to determine the location of lost packets on a routed network?
Question87: An administrator hosts all of the company's virtual servers internally. In the event of total server failure, the server images can be restored on a cloud provider and accessed through the VPN. Which of the following cloud services is the administrator using?
Question88: Which of the following protocols is used to transmit outgoing email?
Question89: A Windows server has a problem after booting up. Kim, a technician, should immediately check the:
Question90: An administrator has a virtualization environment that includes a vSAN and iSCSI switching. Which of the following actions could the administrator take to improve the performance of data transfers over iSCSI switches?
Question91: A small office has an Internet connection that drops out about two times per week. It often takes until the next day for the vendor to come out and fix the issue. Which of the following should the office implement to reduce this downtime?
Question92: A network technician has been assigned to install an additional router on a wireless network. The router has a different SSID and frequency. All users on the new access point and the main network can ping each other and utilize the network printer, but all users on the new router cannot get to the Internet. Which of the following is the MOST likely cause of this issue?
Question93: Users connecting to an SSID appear to be unable to authenticate to the captive portal.
Which of the following is the cause of this issue?
Question94: A technician is troubleshooting a desktop connectivity issue. The technician believes a static ARP may be causing the problem. Which of the following should the technician do NEXT according to the network troubleshooting methodology?
Question95: Ann, an employee, has properly connected her personal wireless router to a network jack in her office. The router is unable to get a DHCP address though her corporate laptop can get a DHCP address when connected to the same jack. Ann checks the router configuration to ensure it is configured to obtain a DCHP address. Which of the following is the MOST likely reason why the router is not receiving a DHCP address?
Question96: Which of the following ports is the default telnet port?
Question97: A campus needs to provide wireless connectivity in a cafeteria with a minimal number of WAPs. Which of the following antenna types will provide the BEST coverage?
Question98: Which of the following describes an IPv6 address of ::1?
Question99: Zach, a technician, discovers a switch is not communicating with the other switches in a stack.
Which of the following is the MOST likely cause?
Question100: A network technician is replacing security devices that protect the DMZ for a client. The client has an application that allows external users to access the application remotely. After replacing the devices, the external users are unable to connect remotely to the application.
Which of the following is MOST likely misconfigured?
Question101: Which of the following ports does DHCP use? (Select TWO).
Question102: The BEST way to secure the most vulnerable attack vector for a network is to:
Question103: A network technician is connecting three temporary office trailers with a point-to-multipoint microwave radio solution in a wooded area. The microwave radios are up and the network technician can ping devices in all office trailers, however, connectivity is sporadic. Which of the following is MOST likely the cause of this issue?
Question104: After repairing a computer infected with malware, a technician determines that the web browser fails to go to the proper address for some sites. Which of the following should be checked?
Question105: A technician is installing a surveillance system for a home network. The technician is unsure which ports need to be opened to allow remote access to the system. Which of the following should the technician perform?
Question106: After an employee connected a switch port of a home router to the wall jack in the office, other employees in the office started losing connectivity. Which of the following can be implemented on the company switch to prevent loss of connectivity in the future?
Question107: Which of the following default ports is associated with protocols that are connectionless?
Question108: A network technician has received a report that workstations are unable to gain access to the network. During the troubleshooting process, the technician discovers that the switch connecting these workstations has failed. Which of the following will be the QUICKEST option configure a new switch?
Question109: Which of the following helps prevent routing loops?
Question110: Which of the following should a technician upgrade to if the existing wireless standard only allows for three non-overlapping channels and more non-overlapping channels are needed?
Question111: Which of the following is an IPv6 address?
Question112: After a company rolls out software updates, Ann, a lab researcher, is no longer able to use lab equipment connected to her PC.
The technician contacts the vendor and determines there is an incompatibility with the latest IO drivers.
Which of the following should the technician perform so that Ann can get back to work as quickly as possible?
Question113: Which of the following layers of the OSI model is between the Data Link and Transport layers?
Question114: Which of the following cables is MOST likely to be terminated into a patch panel?
Question115: A system administrator has been tasked to ensure that the software team is not affecting the production software when developing enhancements. The software that is being updated is on a very short SDLC and enhancements must be developed rapidly. These enhancements must be approved before being deployed. Which of the following will mitigate production outages before the enhancements are deployed?
Question116: Which of the following anti-malware solutions should be implemented to deter attackers from loading custom files onto a distributed target platform?
Question117: Which of the following is a logical host on the network where unauthorized users believe they are on the production network?
Question118: A network technician is performing a wireless survey in the office and discovers a device that was not installed by the networking team. This is an example of which of following threats?
Question119: Which of the following protocols must be implemented in order for two switches to share VLAN information?
Question120: A client has combined the voice-data circuit from a provider and is getting the maximum download and upload speeds of 2.0Mbps. Which of the following services is being used?
Question121: A company only wants preapproved laptops to be able to connect to a wireless access point.
Which of the following should be configured?
Question122: A network technician has downloaded the latest vendor switch O/S. which includes new features and enhancements. Which of the following should the technician perform FIRST when updating the switches?
Question123: A company is experiencing very slow network speeds of 54Mbps. A technician has been hired to perform an assessment on the existing wireless network. The technician has recommended an 802.11n network infrastructure. Which of the following allows 802.11n to reach higher speeds?
Question124: When a criminal or government investigation is underway, which of the following describes the identification, recovery or exchange of electronic information relevant to that investigation?
Question125: A network technician needs to monitor the network to find a user that is browsing inappropriate websites. Which of the following would the technician use to view the website and find the user browsing it?
Question126: A network technician has just received an email regarding a security issue detected on the company's standard web browser. Which of the following will MOST likely fix the issue?
Question127: Which of the following MUST be kept synchronized in order for Kerberos to work?
Question128: A technician just completed a new external website and setup access rules in the firewall.
After some testing, only users outside the internal network can reach the site. The website responds to a ping from the internal network and resolves the proper public address. Which of the following could the technician do to fix this issue while causing internal users to route to the website using an internal address?
Question129: A network technician has been asked to add a user to an administrative group on the network.
Which of the following change management procedures should be followed?
Question130: Which of the following connector types would Sandy, a network technician, use to connect a serial cable?
Question131: A technician installs a new piece of hardware and now needs to add the device to the network management tool database. However, when adding the device to the tool using SNMP credentials, the tool cannot successfully interpret the results. Which of the following would need to be added to the network management tool to allow it to interpret the new device and control it using SNMP?
Question132: Which of the following would Sandy, a technician, find in a network map?
Question133: During a business trip a user connects to the hotel's wireless to send emails to customers.
The user notices the next day that emails have been sent from the user's account without consent. Which of the following protocols was used to compromise the user's email password utilizing a network sniffer?
Question134: A user reports slow computer performance. A technician troubleshooting the issue uses a performance monitoring tool and receives the following results:
Avg % Processor Time =10%
Avg Pages/Second = 0
Avg Disk Queue Length = 3
Based on the results, which of the following is causing a bottleneck?
Question135: DRAG DROP
DRAG DROP
Wireless network users recently began experiencing speed and performance issues after access point 2 (AP2) was replaced due to faulty hardware. The original network was installed according to a consultant's specifications and has always worked without a problem.
You a network technician, have been tasked with evaluating the situation and resolving the issues to improve both performance and connectivity. Refer to the following exhibits and perform any necessary changes to the wireless and wired infrastructure by adjusting devices. Note: Adjust the LEAST number of devices needed to fix the issue.
Question136: Which of the following refers to a network that spans several buildings that are within walking distance of each other?
Question137: A company is experiencing accessibility issues reaching services on a cloud-based system.
Which of the following monitoring tools should be used to locate possible outages?
Question138: Which of the following is an advantage of utilizing a Layer 2 switch rather than a hub?
Question139: Jeff, a customer, has a wireless network and has reported that the network traffic from the wireless access points seems high compared to the limited number of wireless devices used. Jeff believes that other non-employees are using the wireless network to access the Internet. Which of the following could be used to limit the access to the wireless network?
(Select TWO).
Question140: A mobile user is no longer able to access network resources. Jeff, the network technician, is unable to ping the user's workstation. Which of the following commands would MOST likely be used on that workstation to verify its current network settings?
Question141: A new firewall was recently installed blocking SMTP traffic. As a result, no one has Internet access. Which of the following has MOST likely occurred?
Question142: A national cable company providing TV, telephone, and Internet service to home users over its IP network, has been tracking a large increase of network bandwidth due to P2P file sharing. Which of the following should the company deploy to ensure excellent TV and telephone service?
Question143: A system administrator wants to verify external IP addresses are unable to collect software versioning from servers on the network. Which of the following should system administrator do to confirm the network is protected?
Question144: A technician has terminated a cable on the datacenter with an RJ-11 connector. Which of the following applications is MOST likely being used?
Question145: CORRECT TEXT
Wireless network users recently began experiencing speed and performance issues after access point 2 (AP2) was replaced due to faulty hardware. The original network was installed according to a consultant's specifications and has always worked without a problem.
You, a network technician, have been tasked with evaluating the situation and resolving the issues to improve both performance and connectivity. Refer to the following diagram and perform any NECESSARY changes to the wireless and wired infrastructure by adjusting devices.
Note: Adjust the LEAST number of devices needed to fix the issue, all blue icons in the image are clickable. When you feel the simulation is complete please select the Done button.
Question146: The software in a virtualized environment that controls resource allocation and allows multiple operating system guests to run on the same physical platform is known as the:
Question147: A company has separate subnets for each floor. A technician has moved a device from one floor to another and manually configured only the static IP address. The device can reach other devices on the floor in the same subnet, but it cannot reach devices on other floors.
Which of following should be configured to allow this device to work?
Question148: A network technician is attempting to locate a switch connected to the fourth floor west side of the building. Which of the following will allow quick identification of the switch, when looking at a logical diagram?
Question149: Which of the following protocols is used to allow multiple hosts to share a common IP address?
Question150: A technician, Joe, has been tasked with assigning two IP addresses to WAN interfaces on connected routers. In order to conserve address space, which of the following subnet masks should Joe use for this subnet?
Question151: Kim, the client, has requested a cost-effective network solution to accommodate the ability to reconfigure the office space as needed. Which networking solution would provide the BEST solution?
Question152: Joe, and administrator, is setting up three more switches in the test lab and is configuring the switches. He is verifying the connectivity but when he pings one of the switches he receives "Destination Unreachable". Which of the following issues could this be?
Question153: As part of unified communications services, QoS must be implemented. DSCP and CoS map to which of the following OSI layers? (Select TWO)
Question154: A user snapped the retention tab off of a network cable. Which of the following tools would Jeff, a technician, use to replace the RJ-45 connector?
Question155: A company has decided to upgrade its legacy phone system to VoIP. The new phones will download the configurations from a TFTP server each time they boot up. Which of the following firewall ports must be opened to ensure the phones can communicate with the server?
Question156: A technician has verified that a recent loss of network connectivity to multiple workstations is due to a bad CAT5 cable in the server room wall. Which of the following tools can be used to locate its physical location within the wall?
Question157: A technician wants to configure the inbound port of a router to prevent FTP traffic from leaving the LAN. Which of the following should be placed on the router interface to accomplish this goal?
Question158: A company is installing several APs for a new wireless system that requires users to authenticate to the domain. The network technician would like to authenticate to a central point. Which of the following would work BEST to achieve these results?
Question159: A user wants a SOHO network to be protected from unauthorized users hacking their network. Which of the following should be implemented to aide in this matter?
Question160: Which of the following 802.11n features allows for the use of multiple simultaneous frequencies in order to increase usable bandwidth?
Question161: Which of the following ports would Zach, a technician, need to open on a firewall to allow SSH on the default port?
Question162: Which of the following will allow multiple frequencies to be combined?
Question163: A network engineer is dispatched to an employee office to troubleshoot an issue with the employee's laptop. The employee is unable to connect to local and remote resources. The network engineer flips the laptop's wireless switch on to resolve the issue. At which of the following layers of the OSI model was the issue resolved?
Question164: An organization is moving to a new datacenter. During the move, several technicians raise concerns about a system that could potentially remove oxygen from the server room and result in suffocation. Which of the following systems are they MOST likely discussing?
Question165: Which of the following will prevent switching loops by selectively shutting down switch ports?
Question166: Several users from the same building are reporting connectivity issues. The SFP at that building's IDF switch is showing a link light, but there is no link light to the corresponding switch's SFP at the MDF. Which of the following is the MOST likely cause?
Question167: When using high bandwidth applications over multiple WAN connections, which of the following should be used?
Question168: A home user reports to a network technician that the Internet is slow. The network administrator discovers that multiple unknown devices are connected to the access point.
Which of the following is the MOST likely cause?
Question169: Use of group accounts should be minimized to ensure which of the following?
Question170: A facility would like to verify each individual's identity prior to allowing access to the datacenter. Additionally,the facility would like to ensure that users do not tailgate behind other users. Which of the following would BEST meet these goals?
Question171: Which of the following defines an IP address that is NOT routed on the Internet?
Question172: When troubleshooting a T1 connection, the support representative from the provider instructs a technician to place a special device into the CSU/DSU. Using this device the provider is able to verify that communications are reaching the CSU/DSU. Which of the following was MOST likely used by the technician?
Question173: Which of the following routing protocols relies on hop count as its ONLY metric?
Question174: A CSU/DSU device will connect which of the following?
Question175: Which of the following is considered a classless routing protocol?
Question176: An offsite backup company involved in an investigation is not recycling outdated tapes.
This is MOST likely due to:
Question177: Which of the following access controls enforces permissions based on data labeling at specific levels?
Question178: A company has added several new employees, which has caused the network traffic to increase by 200%. The network traffic increase from the new employees was only expected to be 20% to 30%. The administration suspects that the network may have been compromised. Which of the following should the network administrator have done previously to minimize the possibility of a network breach?
Question179: Kim, a technician, is installing a switch that does not feature auto-negotiation. Which of the following characteristics would need to be manually configured? (Select TWO).
Question180: The administrator would like to use the strongest encryption level possible using PSK without utilizing an additional authentication server. Which of the following encryption types should be implemented?
Question181: A technician is called to investigate a connectivity issue to a remote office that is connected by fiber optic cable. Using a light meter, it is determined that the Db loss is excessive. The installation has been working for several years. The switch was recently moved to the other side of the room and a new patch cord installed. Which of the following is MOST likely the cause of the issue?
Question182: An 801.11g wireless access point was configured as follows:
- AP encryption forced to WPA2-AES mode only
- MAC address filtering enabled with the following MAC address in the allow list: 00-ab-29- da-c3-40 Which is true about the above configuration?
Question183: While implementing wireless access points into the network, one building is having connectivity issues due to light fixtures being replaced in the ceiling, while all other buildings' connectivity is performing as expected. Which of the following should be exchanged on the access points installed in the building with connectivity issues?
Question184: Which of the following technologies could be implemented to improve call clarity when using VoIP technology?
Question185: The software that allows a machine to run multiple operating systems at once is called the:
Question186: A company has just installed wireless in their office. In one corner of the office building users are not able to establish a connection. Which of the following can be changed on the AP to help resolve this issue?
Question187: Which of the following protocols is used to encapsulate other network layer protocols such as multicast and IPX over WAN connections?
Question188: A network architect is designing a highly redundant network with a distance vector routing protocol in order to prevent routing loops, the architect has configured the routers to advertise failed routes with the addition of an infinite metric. Which of the following methods has the architect chosen?
Question189: HOTSPOT
Workstations are unable to access the Internet after a recent power outage. Configure the appropriate devices to ensure ALL workstations have Internet connectivity.
Instructions: All ports can be enabled (green) or disabled (red). When you have completed the simu-lation please select the Done button.
Question190: A network engineer is designing a campus-wide wireless network. Wireless access points will be distributed across the campus for maximum availability. The network is to be designed to handle a large number of roaming wireless devices. Which of the following features should the engineer use in order to dynamically limit the number of devices in each broadcast domain?
Question191: A technician needs to verify an Ethernet run is functioning properly.
Which of the following tools should be used?
Question192: DRAG DROP
DRAG DROP
Question193: A training class is being held in an auditorium. Hard-wired connections are required for all laptops that will be used. The network technician must add a switch to the room through which the laptops will connect for full network access. Which of the following must the technician configure on a switch port, for both switches, in order to create this setup?
Question194: A network technician has just run a new point-to point fiber link between two local routers, however, after the fiber has been plugged in on both ends, the interface will not come up.
The technician has double-checked the interface configuration on both routers, both SFPs have been hard looped to confirm they are functioning, connectors on both ends of the links have been cleaned, and there is sufficient optical power. Which of the following is the cause of the issue?
Question195: When configuring a wireless access point, Zach, a network administrator, needs to determine the MAC address of a local printer. Which of the following commands would be MOST helpful in determining the MAC address?
Question196: An administrator notices an unused cable behind a cabinet that is terminated with a DB-9 connector. Which of the following protocols was MOST likely used on this cable?
Question197: A technician has finished configuring AAA on a new network device. However, the technician is unable to log into the device with LDAP credentials but is able to do so with a local user account. Which of the following is the MOST likely reason for the problem?
Question198: An analog POTS voice line is no longer working and Kim, the technician, is tasked to verify if a dial tone is present at the IDF. Which of the following tools would be used?
Question199: Which of the following methods limits access to a network based on characteristics of the network card?
Question200: Which of the following protocols would be used to send email to an email server?
Question201: A user has installed a new wireless printer. The user cannot get to the internet but can print. All other office users can reach the internet, but cannot connect to the new wireless printer. All users are wireless in this area of the office. The used has MOST likely:
Question202: Which of the following is true about an IP address if the first bit is a one and the second bit is a zero?
Question203: A network technician needs to set up two public facing web servers and watns to ensure that if they are compromised the intruder cannot access the intranet. Which of the following security techniques should be used?
Question204: DRAG DROP
DRAG DROP
Question205: Which of the following access controls enforces permissions based on data labeling at specific levels?
Question206: An employee of a highly secure company needs to use facial recognition in addition to username/password to successfully establish a VPN. Which of the following describes this methodology?
Question207: A network technician is performing a tracert command to troubleshoot a website-related issue. The following output is received for each hop in the tracert:
1 * * * Request timed out.
2 * * * Request timed out.
3 * * * Request timed out.
The technician would like to see the results of the tracert command. Which of the following will allow the technician to perform tracert on external sites but not allow outsiders to discover information from inside the network?
Question208: Which of the following diagnostic commands relies on proper forwarding of ICMP ECHO packets?
Question209: A technician needs to set aside addresses in a DHCP pool so that certain servers always receive the same address. Which of the following should be configured?
Question210: Which of the following attacks utilizes a wireless access point which has been made to look as though it belongs to the network in order to eavesdrop on wireless traffic?
Question211: The Chief Information Officer (CIO) of an organization is concerned that the current locally- hosted, software threat solution is not agile enough. The CIO points to specific examples of zero-day threats that have recently taken a day or more to receive patches. The IT team is tasked with finding a solution that has a better chance of stopping emerging threats and stopping zero-day threats more quickly. Which of the following solutions would have the BEST chance of meeting these goals?
Question212: A network technician has been tasked with connecting three 802.11a clients to an 802.11g access point that is configured for WEP and is within a (9m) line of sight from the client.
The clients are unable to associate with the access point. Which of the following is MOST likely the cause of this issue?
Question213: Which of the following technologies allows for redundant links within a Layer 2 segment?
Question214: A user is unable to print to a network printer. Which of following is the FIRST step that a technician should take to troubleshoot the issue?
Question215: A network administrator updated an Internet server to evaluate some new featured in the current release. A week after the update, the Internet server vendor warns that the latest release may have introduced a new vulnerability and a patch is in the works. Which of the following should the network administrator do to BEST migrate this risk?
Question216: A technician is setting up a computer lab. Computers on the same subnet need to communicate with each other using peer to peer communication. Which of the following would the technician MOST likely configure?
Question217: A SOHO office recently installed a wireless network for employees to use during lunch breaks. As such, the access point was placed in the kitchen area by the microwave.
Employees have been reporting intermittent connectivity when using the wireless network.
Which of the following would BEST improve connectivity?
Question218: Which of the following is used to define how much bandwidth can be used by various protocols on the network?
Question219: Which of the following network infrastructure implementations would be used to support files being transferred between Bluetooth-enabled smartphones?
Question220: A new user is reporting connectivity issues. Zach, the network technician, notices that there is no link light on the user's NIC. Which of the following would be used to verify the wiring back to the patch panel?
Question221: A network administrator received the following email from a user:
From: [email protected]
To: [email protected]
Subject: Free smart phone
Dear, user, please click the following link to get your free smart phone
http://www.freesmartphone.it:8080/survey.php
Which of of the following should the administrator do to prevent all employees from accessing the link in the above email, while still allowing Internet access to the freesmartphone.it domain?
Question222: Which of the following ports should be allowed to provide access to certain VoIP applications?
Question223: A client reports that half of the office is unable to access a shared resource. Which of the following should be used to troubleshoot the issue?
Question224: Which of the following uses port 53 by default?
Question225: Which of the following WAP security features offers the STRONGEST encryption?
Question226: A network administrator is noticing slow responds times from the server to hosts on the network. After adding several new hosts, the administrator realizes that CSMA/CD results in network slowness due to congestion at the server NIC. Which of the following should the network administrator do to correct the issue?
Question227: Network segmentation provides which of the following benefits?
Question228: In a home network, all clients are accessing the Internet via a single host.
This is an example of which of the following?
Question229: Jeff, an administrator, has just finished installing a new switch and connected two servers with IPs of 192.168.105.20 and .30. The servers are able to communicate with each other, but are unable to reach the Internet. Jeff sees the following information in the switch configuration:
interface VLAN 105
IP address 192.168.105.5 255.255.255.0
Jeff is able to ping the router at 192.168.105.1 from the switch. Which of the following is the MOST likely cause of the problem?
Question230: A network administrator need to install a border device on the network that will help ensure FTP commands are not being sent in traffic communicating on port 25. Which of the following devices will allow for deep packet inspection?
Question231: The network install is failing redundancy testing at the MDF. The traffic being transported is a mixture of multicast and unicast signals. Which of the following would BEST handle the rerouting caused by the disruption of service?
Question232: Two weeks after installation, a network technician is now unable to log onto any of the newly installed company switches. The technician suspects that a malicious user may have changed the switches' settings before they were installed in secure areas. Which of the following is the MOST likely way in which the malicious user gained access to the switches?
Question233: A new fiber optic cable run has been installed, but users connected through the new cable are immediately reporting latency problems.
Which of the following should the technician check?
Question234: A technician is setting up a new network and wants to create redundant paths through the network. Which of the following should be implemented to prevent performance degradation?
Question235: Which of the following network elements enables unified communication devices to connect to and traverse traffic onto the PSTN?
Question236: A network administrator suspects an employee of using the company's Internet connection to download illegal content. Which of the following can be used to inspect ongoing network traffic?
Question237: Which of the following could be used to stop unknown threats?
Question238: A VoIP line will MOST likely have which of the following connectors?
Question239: While monitoring the network, a technician notices that the network traffic to one of the servers is extremely high. Which of the following should the technician use to verify if this is a concern?
Question240: A technician is troubleshooting a problem with a network printer. The technician thinks the network printer is out of paper and ink. Which of the following should the technician do NEXT?
Question241: Zach, a technician, is checking newly installed CAT5e cabling, and suspects that some of the ends were not properly terminated. Which of the following tools will verify this?
Question242: A company is having a new T1 line installed. Which of the following will the connection MOST likely terminate to?
Question243: A technician, Joe, needs to troubleshoot a recently installed NIC. He decides to ping the local loopback address. Which of the following is a valid IPv4 loopback address?
Question244: A network technician is assisting the company with developing a new business continuity plan. Which of the following would be an appropriate suggestion to add to the plan?
Question245: Which of the following PDUs is used by a connectionless protocol?
Question246: A technician recently ran a 20-meter section of CAT6 to relocate a control station to a more central area on the production floor. Since the relocation, the helpdesk has received complaints about intermittent operation. During the troubleshooting process, the technician noticed that collisions are only observed on the switch port during production. Given this information, which of the following is the cause of the problem?
Question247: Which of the following provides accounting, authorization, and authentication via a centralized privileged database, as well as, challenge/response and password encryption?
Question248: After plugging a cable into a computer, a user reports there is no network access. Which of the following tools would the technician MOST likely check to verify that the cable was crimped correctly?
Question249: Jeff, a technician, has been asked to add a subnet to the company's LAN. Which of the following interfaces on the router will be modified?
Question250: A technician is configuring a computer lab at a school. The computers need to be able to communicate with each other, but students using the computers should not be able to access the internet. Which of the following rules on the firewall should the technician configure for the lab computers?
Question251: A company has implemented the capability to send all log files to a central location by utilizing an encrypted channel. The log files are sent to this location in order to be reviewed.
A recent exploit has caused the company's encryption to become unsecure. Which of the following would be required to resolve the exploit?
Question252: Lisa, a technician, has configured a new switch that is remotely accessed using SSH. The switch is working properly but cannot be accessed remotely. Which of the following items is MOST likely missing in the configuration?
Question253: Which of the following applies to data as it travels from Layer 1 to Layer 7 of the OSI model?
Question254: Which of the following functions would be used to securely monitor and actively manage external connections?
Question255: Which of the following ports is used to provide secure sessions over the web by default?
Question256: A network administrator is assigned an approved change request with a change window of
120 minutes. After 90 minutes, the change is stuck on step five of a five-step change. The network manager decides to initiate a rollback. Which of the following describes what the network administrator will do NEXT?
Question257: Which of the following BEST describes how a layer 2 switch functions?
Question258: A company is having a new T1 line installed. Which of the following will the connection MOST likely terminate to?
Question259: A network technician needs to identify active services that should be disabled on the network. Which of the following tools would BEST accomplish this?
Question260: A small office home office (SOHO) customer is going to be replacing their switch. The customer also wants to add a WAP in a dropped ceiling; however, there are no power outlets above the drop ceiling, but there is a CAT5e network jack. Which of the following technologies should the new switch have to allow this WAP to be placed where the customer requests, without any other major changes to the environment?
Question261: Which of the following is indicative of an FTP bounce?
Question262: Which of the following protocols is used to securely connect to a multi-layer switch?
Question263: A network technician is trying to terminate CAT5 modular jacks. Which of the following tools would be MOST appropriate for this scenario?
Question264: A contractor was hired to troubleshoot congestion issues on the network. After a few of the switches have been reconfigured/upgraded by the contractor, congestion worsens and collisions increase. Which of the following is the BEST action to alleviate the situation?
Question265: A home user is pairing a bluetooth gaming controller with the game console. Which of the following is implemented between the console and the controller?
Question266: A company technician has set up the network so that all external protections and internal protections across the network are segregated from any malicious attacks and there are firewalls configured on both sides of the DMZ. During the configuration review of the device installation, there is evidence of unauthorized network traffic penetrating the internal network. Which of the following is either missing or incorrectly configured in the firewall settings?
Question267: Which of the following is a document that is used in cyber forensics that lists everywhere evidence has been?
Question268: A user is getting very weak signals while trying to connect to the wireless. Which of the following should the user do to help with signal strength?
Question269: A technician uses a cable tester to verify the pinout in an Ethernet cable. After testing each pin, the technician records the following output:
Based on this information, which of the following identification describes this cable?
Question270: A technician needs to test the length of a newly installed cable run because it is believed that it exceeds the maximum specification length. Which of the following tools should be used?
Question271: A network technician is using telnet to connect to a router on a network that has been compromised. A new user and password has been added to the router with full rights. The technician is concerned that the regularly used administrator account has been compromised. After changing the password on all networking devices, which of the following should the technician perform to prevent the password for the administrator account from being sniffed on the network?
Question272: Which of the following is a proprietary routing protocol?
Question273: A network administrator has determined the ingress and egress traffic of a router's interface are not being correctly reported to the monitoring server. Which of the following can be used to determine if the router interface uses 64b vs 32b counters?
Question274: Which of the following network devices use ACLs to prevent unauthorized access into company systems?
Question275: A technician is in a large room that contains a large amount of industrial equipment. The technician would like to record the usable bandwidth between devices in a wireless network and the access point. Which of the following should the technician document?
Question276: An organization requires a second technician to verify changes before applying them to network devices. When checking the configuration of a network device, a technician determines that a coworker has improperly configured the AS number on the device. This would result in which of the following?
Question277: Workers in a company branch office are required to click on an initial web page and agree to have web surfing mentioned. This is an example of:
Question278: Which of the following allows for spatial reuse and utilizes several multipath distortions as RF data streams?
Question279: A technician needs to install software onto company laptops to protect local running services, from external threats. Which of the following should the technician install and configure on the laptops if the threat is network based?
Question280: A network technician is using a network monitoring system and notices that every device on a particular segment has lost connectivity. Which of the following should the network technician do NEXT?
Question281: Which of the following is used to assign an IP address to a device?
Question282: It has been determined by network operations that there is a severe bottleneck on the company's mesh topology network. The field technician has chosen to use log management and found that one router is making routing decisions slower than others on the network. This is an example of which of the following?
Question283: Jeff, a network technician, is installing a wireless router. Which of the following should Jeff consider to get the BEST signal strength?
Question284: A technician is troubleshooting a newly installed WAP that is sporadically dropping connections to devices on the network. Which of the following should the technician check FIRST?
Question285: A technician wants to connect a new wireless router to a main network switch. Which of the following cable types would MOST likely be used to establish this connection?
Question286: Lisa, a technician, is asked to not allow FTP traffic on a network. Which of the following ports should be blocked on the firewall to achieve this?
Question287: An organization wants to improve its ability to detect infiltration of servers in a DMZ, IPS/IDS solutions are currently located on the edge between DMZ and Untrust, and DMZ and Trust. Which of the following can increase visibility inside the DMZ?
Question288: A network technician has received a help desk ticket indicating that after the new wireless access point was installed, all of the media department's devices are experiencing sporadic wireless connectivity. All other departments are connecting just fine and the settings on the new access point were copied from the baseline. Which of the following is a reason why the media department is not connecting?
Question289: A technician is dispatched to investigate sporadic network outages. After looking at the event logs of the network equipment, the technician finds that all of the equipment is restarting at the same time every day. Which of the following can the technician deploy to correct this issue?
Question290: A PC is having trouble connecting to a remote resource.
Which of the following will identify the routers a packet travels through and provide real- time feedback regarding latency?
Question291: Lisa, a technician, is tasked to monitor various analog POTS lines for voice activity. Which of the following hardware tools would be used?
Question292: Which of the following requires the network administrator to schedule a maintenance window?
Question293: Which of the following problems is MOST likely to arise when configuring an IPv6 over IPv4 tunnel?
Question294: Which of the following would be the result of a user physically unplugging a VoIP phone and connecting it into another interface with switch port security enabled as the default setting?
Question295: Which of the following 802.11g antennas broadcast an RF signal in a specific direction with a narrow path?
Question296: A client is concerned about a hacker compromising a network in order to gain access to confidential research data. Which of the following could be implemented to redirect any attackers on the network?
Question297: Kim, a technician, is configuring an 802.11n access point. Other WAPs on the network use
802.11b. Which of the following will Kim have to setup to make sure these WAPs will be able to communicate?
Question298: Which of the following allows a telecommunication company to test circuits to customers remotely?
Question299: While troubleshooting a connectivity issue, a network technician determines the IP address of a number of workstations is 169.254.0.0/16 and the workstations cannot access the Internet. Which of the following should the technician check to resolve the problem?
Question300: Which of the following is used to authenticate remote workers who connect from offsite?
(Select TWO).
Question301: A technician receives a report that a user's workstation is experiencing no network connectivity. The technician investigates and notices the patch cable running from the back of the user's VoIP phone is routed directly under the rolling chair and has been smashes flat over time. Which of the following is the most likely cause of this issue?
Question302: A user reports slow performance. A technician troubleshooting the issue users a performance monitoring tool and receives the following results:
Avg. % Processor Time = 15%
Avg. Pages/Second = 5
Avg. Disk Queue Length = 1
Based on these results, which of the following is causing a bottleneck?
Question303: The Transport Layer of the TCP/IP model corresponds to which of the following layers of the OSI model?
Question304: Which of the following is the network topology in which computers connect in a closed circle?
Question305: A firewall technician has received calls stating the network is running slowly. The technician has found the firewall is functioning properly. Which of the following should the technician review to determine the cause of the slow performance?
Question306: A technician troubleshooting an area that is having difficulty connecting to a WAP. After identifying the symptoms, which of the following should the technician do NEXT?
Question307: A network technician responds to a customer reporting that a workstation keeps losing its network connection. The user explains that it occurs randomly and it happens several times throughout the day. Which of the following troubleshooting methods should the technician perform FIRST?
Question308: Which of the following physical security controls prevents an attacker from gaining access to a network closet?
Question309: Which of the following describes a smurf attack?
Question310: Two office buildings are connected via copper network cabling buried in the ground. During local construction, the second building suffers a permanent network outage. Which of the following are MOST likely the causes of the outage? (Select two.)
Question311: A network administrator is configuring a VLAN across multiple switches. The administrator wants to configure the VLAN once and have that configuration propagate to all of the switches in the network. Which of the following should the administrator do?
Question312: Which of the following protocols uses port 3389?
Question313: Which of the following describes a process that can translate internal IP addresses to external ones?
Question314: A network technician has set up a firewall and entered only three rules allowing traffic on ports 21,110, and 25 to secure the network. Users are reporting they cannot access web pages using the URLs. Which of the following can the technician do to correct the situation?
Question315: Which of the following protocols uses label-switching routers and label-edge routers to forward traffic?
Question316: A network technician needs to protect IP based servers in the network DMZ from being discovered by an intruder utilizing a ping sweep. Which of the following should the technician do to protect the network from ping sweeps?
Question317: A company owns four kiosks that are in close proximity within a shopping center. The owner is concerned about someone accessing the internet via the kiosk's wireless network.
Which of the following should be implemented to provide wireless access only to the employees working at the kiosk?
Question318: Which of the following is the MOST economical way for Sandy, a technician, to implement 10- Gigabit Ethernet at a datacenter?
Question319: Which of the following devices actively defends the network by detecting threats and shutting down ports or changing configurations to prevent attacks?
Question320: Which of the following DNS records would allow for a website to have more than one FQDN?
Question321: Which of the following is the prefix for a link-local IPv6 address?
Question322: A network technician has detected a personal computer that has been physically connected to the corporate network. Which of the following commands would the network technician use to locate this unauthorized computer and determine the interface it is connected to?
Question323: A PC technician has installed a new network printer that was preconfigured with the correct static IP address, subnet mask, and default gateway. The printer was installed with a new cable and appears to have link activity, but the printer will not respond to any network communication attempts. Which of the following is MOST likely the cause of the problem?
Question324: The human resource department has been moved to an area which is more than 60 meters away from the nearest IDF. In order to comply with the SLA which requires that 10Gb speeds be provided, which of the following media will need to utilized?
Question325: A network technician performs several switch commands to enable various advanced features on the switch in the accounting department. During the configuration changes, several users from this department report connectivity issues. Which of the following logs would the network technician need to analyze to troubleshoot the connectivity issues?
Question326: While installing new network equipment, a network administrator wants to add infrastructure to keep the cables organized in the environment. The administrator also needs cables to be easily removed or added due to the constantly changing environment.
Which of the following will BEST fulfill the requirement?
Question327: Which of the following technologies is required to allow all ports of a single private IP to be publically accessible via a single public IP?
Question328: CORRECT TEXT
SIMULATION
After recent changes to the pictured network, several users are unable to access the servers. Only PC1, PC2, PC3, and PC4 are configurable. You can only change the adapter configurations to each PC.
Question329: An administrator notices an abnormally high level of network traffic from a server. Upon logging into the server, the administrator runs the following command:
Which of the following should the administrator use to correlate the active connection with the running service?
Question330: Please refer to the attached exhibit. Which of the following types of configuration management documentation is represented?
Question331: Which of the following would be used in an IP-based video conferencing deployment?
(Select TWO).
Question332: Joe, a system administrator, is troubleshooting an issue with remotely accessing a new server on the LAN. He is using an LMHOST file and the file contains the hostname and IP address of the new server. The server that he cannot remote to is located on the same LAN as another server that he can successfully remote to. Which of the following output from the command line would BEST resolve the problem?
Question333: A technician is troubleshooting a PC that is having intermittent connectivity issues. The technician notices that the STP cables pairs are not completely twisted near the connector.
Which of the following is the issue?
Question334: Which of the following protocols is used to send mail to another server on the Internet?
Question335: Joe, a technician, terminates ends on a new copper cable for use between two legacy switches. When Joe connects the two switches together using the cable, they fail to establish a connection. Which of the following is MOST likely the issue?
Question336: Which of the following ports should be allowed through a firewall to allow DNS resolution to occur to an outside DNS server?
Question337: Which of the following has a maximum transfer rate of 54Mbps and operates at the 5GHz frequency?
Question338: Kim, a user, took a laptop on vacation and made changes to the configuration in order to use the device at the hotel. She can reach the Internet, but cannot access any internal network resources.
Which of the following is the MOST likely reason?
Question339: Which of the following could be used to estimate RTT across a router?
Question340: A company has a large number of employees that need VPN access from home. Which of the following is the BEST solution for deploying and managing the remote access?
Question341: Kurt, a network technician, has configured a new firewall on the network. Users are reporting errors when attempting to access several websites. Kurt attempts to access several popular websites with no errors, however, he does receive an error when attempting to access a bank website. Which of the following rules would BEST allow access to the bank website?
Question342: attempting to access a popular website. Which of the following will MOST likely correct the error?
Question343: A technician wants to update the organization's disaster recovery plans. Which of the following will allow network devices to be replaced quickly in the event of a device failure?
Question344: Lisa, an administrator, has set up an 802.11n wireless network. Users with 802.11n laptops have reported that speeds are slow. After testing, Lisa determines that users max out at
802.11g speeds. Which of the following would MOST likely fix this issue?
Question345: When setting up a new network monitoring utility, a technician finds that some devices are not reporting correctly.
Which of the following would MOST likely be required to correct the issue with an SNMP enabled monitoring utility?
Question346: CORRECT TEXT
You have been tasked with testing a CAT5e cable.
A summary of the test results can be found on the screen.
Step 1: Select the tool that was used to create the cable test results.
Step 2: Interpret the test results and select the option that explains the results.
After you are done with your analysis, click the 'Submit Cable Test Analysis' button.
Question347: Which of the following types of equipment should be used for telecommunications equipment and have an open design?
Question348: DRAG DROP
DRAG DROP
Your company recently purchased a new building down the street from the existing office.
For each of the tasks below, select the appropriate antenna type and encryption object for all wireless access point (AP).
1. Create an encrypted wireless connection between the two buildings that BEST controls signal propagation, while maximizing security.
2. Restrict the wireless signal generated by the access points (AP's) inside Building 1, so that it minimizes broadcast beyond the building.
3. Maximize wireless coverage inside Building 1.
4. Building 1's internal wireless network is for visitors only and must not require any special configuration on the visitor's device to connect.
Question349: A network administrator is troubleshooting an issue with unstable wireless connections in a residence hall. Students on the first and second floors are reporting the hall's SSID is not visible in the evenings. The network administrator has verified the wireless system is operating normally. Which of the following is the MOST likely cause for the problem reported by students?
Question350: A technician installs a new WAP and users in the area begin to report poor performance.
The technician uses a ping and 3 of 5 packets respond. Testing from a wired connection shows 5 of 5 packets respond. Which of the following tools should be used to discover the cause of the poor performance?
Question351: UDP is BEST used for:
Question352: A technician has replaced the Internet gateway router, and now no users can reach the Internet. The technician can ping the router Ethernet port but not the ISP's router IP address. Which of the following is the MOST likely problem?
Question353: An administrator is replacing an existing WAP because the customer is reporting that the connection speeds are too slow. Which of the following should be installed?
Question354: A project lead is reviewing the statement of work for an upcoming project that is focused on identifying potential weaknesses in the organization's internal and external network infrastructure. As part of the project, a team of external contractors will attempt to employ various attacks against the organization. The statement of work specifically addresses the utilization of an automated tool to probe network resources in an attempt to develop logical diagrams indication weaknesses in the infrastructure. The scope of activity as described in the statement of work is an example of:
Question355: A company utilizes a patching server to regularly update their PC's. After the latest round of patching all of the older PCs with non-gigabit Ethernet cards become disconnected from the network and now require a technician to fix the issue locally at each PC. Which of the following should be done to prevent this issue in the future?
Question356: A network administrator is troubleshooting an issue with a newly installed web server. The web server is available to internal users but unavailable to Internet users. The server's network configuration is shown below:
Which of the following is the MOST likely reason why the server is unavailable from the Internet?
Question357: An administrator's router with multiple interfaces uses OSPF. When looking at the router's status, it is discovered that one interface is not passing traffic.
Given the information below, which of the following would resolve this issue?
Output:
Fast Ethernet 0 is up, line protocol is down
Int ip address is 10.20.130.5/25
MTU 1500 bytes, BW10000 kbit, DLY 100 usec
Reliability 255/255, Tx load 1/255, Rx load 1/255
Encapsulation ospf, loopback not set
Keep alive 10
Full duplex, 100Mb/s, 100 Base Tx/Fx
Received 1052993 broadcasts
0 input errors
0 packets output, 0 bytes
0 output errors, 0 collisions, 0 resets
Question358: A technician has prolonged contact with a thermal compound. Which of the following resources should be consulted?
Question359: A home user reports that a speed test website shows the following information:
Download speed: 33.3Mbps
Upload speed: 10.2Mbps
Which of the following is the correct interpretation of these results?
Question360: 169.254.0.100 is an IP address which would MOST likely come from which of the following?
Question361: A network technician has received reports of an Internet-based application that has stopped functioning. Employees reported that after updating the Internet browsers, the application began to fail. Many users rolled back the update, but this did not correct problem. Which of the following should the company do to reduce this type of action from affecting the network?
Question362: Zach, a technician, needs to terminate a CAT5e Ethernet cable to a 110 block.
Which of the following tools should he use?
Question363: A network technician is diligent about maintaining all system servers' at the most current service pack level available. After performing upgrades, users experience issues with server-based applications. Which of the following should be used to prevent issues in the future?
Question364: HOTSPOT
Workstations are unable to access the Internet after a recent power outage. Configure the appropriate devices to ensure ALL workstations have Internet connectivity.
Instructions: All ports can be enabled (green) or disabled (red). When you have completed the simulation please select the Done button.
Question365: A technician is being tasked to centralize the management of the switches and segment the switches by broadcast domains. The company is currently all on VLAN1 using a single private IP address range with a 24 bit mask. The supervisor wants VLAN 100 to be the management subnet and all switches to share the VLAN information. Which of the following options would work BEST to accomplish these requirements?
Question366: A SQL server needs several terabytes of disk space available to do an uncompressed backup of a database. Which of the following devices would be the MOST cost efficient to use for this backup?
Question367: A technician is installing a media converter that connects a newly installed multimode connection to an existing CAT5e infrastructure. Which of the following media converter types should the technician use?
Question368: Which of the following is a routed protocol that functions at layer 3 of the OSI model?
Question369: A company installs a new mail server. Which of the following DNS records need to be configured to allow the organization to receive email?
Question370: When convergence on a routed network occurs, which of the following is true?
Question371: A network technician was tasked to respond to a compromised workstation. The technician documented the scene, took the machine offline, and left the PC under a cubicle overnight.
Which of the following steps of incident handling has been incorrectly performed?
Question372: Which of the following would BEST mitigate the risk of social engineering?
Question373: While troubleshooting, a technician notices that some clients using FTP still work and that pings to the local router and servers are working. The technician tries to ping all known nodes on the network and they reply positively, except for one of the servers. The technician notices that ping works only when the host name is used but not when FQDN is used. Which of the following servers is MOST likely down?
Question374: Which of the following DNS records allows for reverse lookup of a domain?
Question375: When configuring a WAP for a SOHO, which parameter will BEST limit access to the office area?
Question376: An F-connector is used on which of the following types of cabling?
Question377: Privilege creep among long-term employees can be mitigated by which of the following procedures?
Question378: Which of the following default ports would need to be open on a firewall to allow remote desktop access?
Question379: A company has attempted to introduce a new major network segment to allow growth in capacity. On the core switch, a GBIC was used to interconnect with a newly placed downstream distribution switch for the first time. Soon after this implementation, a network flood and an outage occurred between the core and new distribution network modules.
Which of the following should the network administrator troubleshoot FIRST in order to rectify the issue?
Question380: A technician is attempting to resolve an issue with users on the network not being able to access websites. The technician pings the default gateway and DNS servers successfully.
Pinging a website by URL is unsuccessful but using a known IP address is successful.
Which of the following will resolve the issue?
Question381: CORRECT TEXT
Ann, a technician, connects a pair of switches using redundant links. When she checks the status of the links, one of them is not active, even when she changes ports. Which of the following MOST likely disabled the redundant connection to the other switch?
Question382: An administrator has configured EAP-TLS to support MAC on the network. The company is trying to implement which of the following standards?
Question383: There is a network looping problem after installing some switches. The switch vendor suggested the use of 802.1d. Which of the following is the MOST probable reason the vendor made this suggestion?
Question384: When introducing new devices to the network, the organization's security policy requires that devices be monitored to establish normal traffic patterns for the device. Which of the following is generated from initial monitoring?
Question385: A technician is helping a SOHO determine where to install the server. Which of the following should be considered FIRST?
Question386: An administrator has received a recommendation against deploying WEP as a wireless encryption protection scheme. Which of the following is MOST likely the reason?
Question387: A disgruntled employee executes a man-in-the-middle attack on the company network.
Layer 2 traffic destined for the gateway is redirected to the employee's computer. This type of attack is an example of:
Question388: An administrator's network has OSPF for the internal routing protocol and has two interfaces that continue to flap.
The administrator reviews the following output:
Fast ethernet 0 is up, line protocol is up
Int ip address is 10.20.130.5/25
MTU 1500 bytes, BW10000 kbit, DLY 100 usec
Reliability 255/255, Tx load 1/255, Rx load 1/255
Encapsulation ospf, loopback not set
Keep alive 10
Full duplex, 100Mb/s, 100Base Tx/Fx
Received 1052993 broadcasts
1258 input errors
983881 packet output, 768588 bytes
1747 output errors, 0 collisions, 423 resets
Which of the following problems would cause the interface flap?
Question389: Which of the following is true about tunneling and encryption?
Question390: When configuring a new server, a technician requests that an MX record be created in DNS for the new server, but the record was not entered properly. Which of the following was MOST likely installed that required an MX record to function properly?
Question391: An administrator needs to open the default port on the firewall for DNS. Which of the following is the correct port number the administrator needs to open?
Question392: Which of the following is a purpose of a VLAN?
Question393: A technician needs to secure web traffic for a new e-commerce website. Which of the following will secure traffic between a web browser and a website?
Question394: An outside organization has completed a penetration test for a company. One of the items on the report is reflecting the ability to read SSL traffic from the web server. Which of the following is the MOST likely mitigation for this reported item?
Question395: Users report they are receiving an unusual amount of suspicious email from the network administrator. Which of the following is the cause of this security issue?
Question396: DRAG DROP
DRAG DROP
Build a T-658B Connection
Question397: Which of the following occurs when antenna gain is increased on an access point?
Question398: A network topology in which all nodes have point to point connections to all other nodes is known as which of the following?
Question399: A technician needs to install a server to authenticate remote users before they have access to corporate network resources when working from home. Which of the following servers should the technician implement?
Question400: A malicious user floods a switch with frames hoping to redirect traffic to the user's server.
Which of the following attacks is the user MOST likely using?
Question401: After moving to an adjacent cubicle, a user is reporting that the VoIP phone is randomly rebooting. When the technician relocates the equipment back to the previous space, the phone functions properly. No other stations are being affected. Which of the following is the MOST likely cause?
Question402: A network technician wants to baseline traffic flows on a specific network. Which of the following will provide the GREATEST level of detail?
Question403: Routing prefixes which are assigned in blocks by IANA and distributed by the Regional Internet Registry (RIR) are known as which of the following?
Question404: A technician has completed a survey of a wireless network and documented signal strengths. This document is known as which of the following?
Question405: DRAG DROP
DRAG DROP
A customer's email server is not sending emails. Arrange the troubleshooting steps in the order the technician should perform them:
Question406: Which of the following media types can carry a standard Ethernet signal for network connectivity?
Question407: A customer has engaged a company to improve the availability of all of the customer's services and applications, enabling the customer to minimize downtime to a few hours per quarter. Which of the following will document the scope of the activities the company will provide to the customer, including the intended outcomes?
Question408: A technician is setting up a new network and wants to create redundant paths through the network. Which of the following should be implemented to prevent performance degradation?
Question409: Which of the following default services uses TCP/UDP port 88?
Question410: Which of the following are network topologies? (Select TWO).
Question411: A home user is configuring a wireless router and must decide which wireless standard to use. The user has many devices that require a lot of bandwidth and must be able to communicate at a far distance from the router. Which of the following wireless standards will BEST meet the home user's requirements?
Question412: An organization recently installed a firewall on the network. Employees must have access to their work computer from their home computer. In which of the following ways should the firewall be configured?
Question413: A company would like all HTTP traffic to filter through a proxy server on port 8080. Which of the following port numbers needs to be redirected through the proxy server to accomplish this?
Question414: The administrator modifies a rule on the firewall, and now all the FTP users cannot access the server any longer. The manager calls the administrator and asks what caused the extreme downtime for the server. In regards to the manager's inquiry, which of the following did the administrator forget to do FIRST?
Question415: Which of the following provides the MOST protection against zero day attacks via email attachments?
Question416: A network technician is informed that some clients cannot connect to a critical business application. This application is hosted on a server that resides within the local VLAN. The server has a domain name of Appserver1.CorpXYZ.local. The technician notices some client machines can still connect to the application server, while others in the same office cannot. All of the office computers share similar networking hardware, and connect to the same switch.
The network technician inspects an office computer that cannot establish a connection. The technician simultaneously runs a protocol analyzer on this office computer, and then attempts to ping the address Appserver.CorpXYZ.local. The technician receives a reply to the ping, but a connection to the business application still cannot be established. The following output is observed in the protocol analyzer:
Based on this output, which of the following is the MOST likely cause of the connectivity issues?
Question417: Joe, a network administrator, has installed an SFTP server behind a load-balancing router.
He opened port 21 but was unable to establish a connection. Which of the following ports should he have opened?
Question418: HOTSPOT
Corporate headquarters provided your office a portion of their class B subnet to use at a new office location. Allocate the minimum number of addresses (using CIDR notation) needed to accommodate each department.
After accommodating each department, identify the unused portion of the subnet by responding to the question on the graphic. All drop downs must be filled.
Instructions: When the simu-lation is complete, please select the Done button to submit.
All Networks have the range from /0 to/32
Question419: A computer on VLAN 10 with the IP address of 192.168.1.45/27 cannot ping a computer on VLAN 20 with the IP address of 192.168.1.65/27. Which configuration change will allow the PING to be successful?
Question420: A network administrator is configuring one distribution and five access switches, which will be installed in a new building. Which of the following is the BEST physical location for the equipment?
Question421: A company is moving into a larger office space. A site survey is performed, a network layout is created, and access points are placed throughout the building.
Which of the following steps should the network technician take NEXT to ensure blanket wireless coverage?
Question422: A company is implementing enhanced user authentication for system administrators accessing the company's confidential servers. Which of the following would be the BEST example of two-factor authentication?
Question423: Which of the following transmission methods is used for network utilizing the 802.3 standard?
Question424: A network technician is troubleshooting a WAN link that traverses a 100-foot span of RG6.
The technician utilizes a Time Domain Reflectometer (TDR) to proof the cable during the troubleshooting process. The TDR returns a trace that drops off suddenly at 51 feet (15.54 meters).
Which of the following is this indicative of?
Question425: Which of the following is the main difference between TCP and UDP?
Question426: A network administrator was told by the Chef Information Officer (CIO) to set up a new office with a network that has redundancy. Which of the following topologies would the network administrator need to administer?
Question427: A technician installs three new switches to a company's infrastructure. The network technician notices that all the switch port lights on the front of each switch flashes rapidly when powered on and connected. Additionally, there are rapid flashing amber lights on the switches when they started up the next day.
Which of the following describes what is occurring with the switches?
Question428: Which of the following allows a technician to gather information about the operating system?
Question429: Which of the following tools can the technician use to analyze TCP/IP packets when trying to determine a connection problem within a subnet?
Question430: A system administrator wants to update a web-based application to the latest version.
Which of the following procedures should the system administrator perform FIRST?
Question431: A user is unable to log into the network successfully. Which of the following are steps of the troubleshooting methodology used to identify the problem? (Select TWO).
Question432: An additional network segment is urgently needed for QA testing on the external network. A software release could be impacted id this change is not immediate. The request come directly from management, and there is no time to go through the emergency change control process. Given this scenario, which of the following is the BEST course of action for the network administrator to take?
Question433: A service provider is unable to maintain connectivity to several remote sites at predetermined speeds. The service provider could be in violation of the:
Question434: QoS operates at which of the following OSI model layers? (Select TWO)
Question435: Which of the following needs to be configured on a switch to use a packet sniffer?
Question436: After connecting a workstation directly to a small business firewall, a network administrator is trying to manage it via HTTPS without losing its stored configuration. The only two pieces of information that the network administrator knows about the firewall are the management interface MAC address, which is 01:4a:d1:fa:b1:0e, and the administrator's password.
Which of the following will allow the administrator to log onto the firewall via HTTPS if the management's IP address is unknown and the administrator's workstation IP address is
1 92.168.0.10/23?
Question437: A network administrator notices that all of the company switches are running at capacity on a given day, which is abnormal according to network baselines taken recently. Which tool would BEST allow the administrator to inspect what type of traffic is on the network?
Question438: A technician needs to use SNMP to manage several legacy devices. The technician wants to ask the vendor for specification that will provide SNMP monitoring of the devices. Which of the following will allow SNMP monitoring of the devices?
Question439: Which of the following is a UC application?
Question440: A company has installed an access point and configured it to broadcast at 802.11n only.
Some users are stating that they cannot connect to this access point.
Which of the following is the MOST likely reason some users cannot connect?
Question441: Which of the following default ports would need to be disabled to block TFTP traffic?
Question442: Which of the following would need to be configured to allow jumbo frames on a network?
Question443: Which of the following is the BEST way to mitigate security threats on a network?
Question444: A T1 line has lost connectivity to the ISP. The ISP has instructed the technician to place a loopback on a device connecting the T1 line to their central office. On which of the following devices will the technician implement the loopback?
Question445: A network administrator wants to monitor traffic by deploying MIBs. Which of the follow network monitoring resources would be used?
Question446: A company has had several virus infections over the past few months. The infections were caused by vulnerabilities in the application versions that are being used. Which of the following should an administrator implement to prevent future outbreaks?
Question447: A network technician is installing a simple SOHO router with wireless functionality. Which of the following wireless encryption standards would be BEST suited for the HIGHEST level of security?
Question448: Which of the following subnet masks would allow for 192.168.0.3 and 192.168.0.240 to be in the same subnet?
Question449: Policies, procedures and end-user training are effective ways to mitigate:
Question450: A company wants to create highly available datacenters. Which of the following will allow the company to continue to maintain an Internet presence at all sites in the event that a WAN circuit at one site goes down?
Question451: Which of the following would be the BEST addition to a business continuity plan that would protect business from a catastrophic event such as a fire, tornado, or earthquake?
Question452: Which of the following solutions will detect and disable a rogue access point?
Question453: Patches have just need released by a third-party vendor to resolve a major vulnerability.
There are over 100 critical devices that need to be updated. Which of the following actions should be taken to ensure the patch is installed with minimal downtime?
Question454: Lisa, a network administrator, needs to allow all websites to be accessible by the sales team for business purposes. Which of the following ports need to be enabled on the firewall? (Select TWO).
Question455: A technician recently fixed a computer with several viruses and spyware programs on it and notices the Internet settings were set to redirect all traffic through an unknown proxy.
This type of attack is known as which of the following?
Question456: An administrator needs to install a centrally located firewall that needs to block specific incoming and outgoing IP addresses, without denying legitimate return traffic. Which of the following firewall types should the administrator install?
Question457: Which of the following infrastructure implementations is used to connect various circuits between remote locations?
Question458: After upgrading a fiber link from 1Gbps, a network technician ran a speed test of the link.
The test shows the link is not operating at full speed and connectivity is intermittent. The two buildings are 1.476ft (450m) apart and are connected using CM4 fiber and 10G SR SFPs. The fiber runs through the electrical and boiler rooms of each building. Which of the following is the MOST likely reason for the connectivity issue?
Question459: A network technician replaced a faulty Ethernet cable. The technician replaced one side of the patch in the incorrect part of the patch panel. Within a few minutes, the technician was informed that users were experiencing slow or no Internet connectivity all over the building.
A broadcast storm began. After removing the replacement cable, which of the following should the technician do NEXT?
Question460: An area to which access is controlled by retina scan is protected by which of the following security measure types?
Question461: Kim, a network technician, is installing an 802.11n network. Which of the following should Kim enable to ensure that the network only allows 802.11n clients?
Question462: A VLAN with a gateway offers no security without the addition of:
Question463: Host1's application generates a payload of 2500B of data and sends to Host2. When the application on Host2 receives the payload it will be:
Question464: Which of the following BEST describes the process of documenting everyone who has physical access or possession of evidence
Question465: Zach, a network technician, is configuring several switches to be managed remotely. Which of the following must be configured to connect via SSH to each of those devices, as well as to retrieve various parameters?
Question466: An administrator is troubleshooting analog telephony issues on the punch down block.
Which of the following tools would be MOST useful in this scenario?
Question467: A client requests that the network technician install additional into multiple racks. Device placement has been properly mapped out within the racks to allow for suitable air flow.
Additionally, the power has been balanced between the racks to allow for the additional equipment. Which of the following should the technician employ to follow best practices after installation of the equipment?
Question468: A technician suspects that the email system is slow due to excessive incoming SPAM.
Which of the following should the technician do according to the troubleshooting methodology?
Question469: A technician who is working with a junior member of the team is called away for another issue. The junior technician orders an SC 80/125 fiber cable instead of an ST 80/125.
Which of the following will MOST likely be an issue with the new cable?
Question470: A company would like to offer free wireless Internet to visiting customers without compromising security on their internal network.
Which of the following firewall rules should a technician configure to accomplish this?
Question471: Zach, a network technician, is unable to remotely manage or ping certain layer 2 switches.
To manage those devices remotely, which of the following will MOST likely need to be configured?
Question472: Ann, a user, is experiencing an issue with her wireless device. While in the conference area, the wireless signal is steady and strong. However, at her desk the signal is consistently dropping, yet the device indicates a strong signal. Which of the following is the MOST likely cause of the issue?
Question473: The network optimization process used to allow reasonable use of data, voice, and video on the same network infrastructure is called:
Question474: A company wants to make sure that users are required to authenticate prior to being allowed on the network. Which of the following is the BEST way to accomplish this?
Question475: Which of the following areas MUST all other OSPF areas connect to in a properly configured network?
Question476: An organization is involved in a civil court action and needs to ensure email messages are retained. Which of the following describes the requirement to archive and retain email traffic and other correspondence?
Question477: Which of the following protocols are used for accessing a command line terminal session for management purposes? (Select TWO).
Question478: A network technician is configuring a wireless network. To avoid interference from other wireless networks in the area, the technician should change which setting?
Question479: A company has decided to update their usage policy to allow employees to surf the web unrestricted from their work computers. Which of the following actions should the IT security team implement to help protect the network from attack as a result of this new policy?
Question480: A technician needs to ensure green space wireless coverage. The antenna is being installed in the middle of the field. Which of the following antenna types should be installed to ensure maximum coverage?
Question481: Lisa, a user, reports increased delays and timeouts when trying to reach several Internet sites. Which of the following would MOST likely be used when investigating the problem at Lisa's workstation?
Question482: Which of the following should be used to ensure a specific device always receives the same IP address?
Question483: An administrator only has telnet access to a remote workstation. Which of the following utilities will identify if the workstation uses DHCP?
Question484: A technician discovers that a malware infection has damaged part of the Windows TCP/IP stack. Which of the following commands can help repair the damage?
Question485: Which of the following uses eight groups of characters for addressing?
Question486: A pest control contractor attempts to gain access to the datacenter; however, the manager on duty notes that a pest control inspection was not on the schedule. Which of the following attacks is in progress?
Question487: A technician needs to ensure that new systems are protected from electronic snooping of Radio Frequency emanations. Which of the following standards should be consulted?