EMT Practice Test

1. Question Content...

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Question1: A technician Is reviewing network device logs in an attempt to trace an attack that occurred on the network.
Which of the following protocols would affect whether or not the technician can properly trace the attack through the network using the logs?

Question2: A network administrator configures a router with the following IP address information:
Gigabit Ethernet 1 Interface: 10.10.0.1/24
Serial 0 Interface: 10.10.0.253/30
Clients are connected to a switch on the gigabit Ethernet interface; the ISP is connected to the Serial 0 interface. When the router configuration is complete and client devices are reconfigured, all clients report that they are unable to connect to the Internet. Which of the following is the MOST likely reason?

Question3: While working on a Linux-based OS, a technician experiences an issue accessing some servers and some sites by name. Which of the following command-line tools should the technician use to assist in troubleshooting?

Question4: Management has requested that a wireless solution be installed at a new office. Which of the following is the FIRST thing the network technician should do?

Question5: Users have been experiencing connection timeout issues when using a web-based program. The network technician determines the problem happened due to a TTL setting that was set too low on the firewall. Which of the following BEST enabled the network technician to reach this conclusion?

Question6: A network administrator wants to connect to a remote device via SSH. Which of the following layers of the OSI model is the protocol using?

Question7: A technician needs to order cable that meets 10GBaseT and fire safety requirements for an installation between a drop ceiling and a standard ceiling. Which of the following should the technician order to ensure compliance with the requirements?

Question8: A network technician is configuring network addresses and port numbers for a router ACL to block a peer-to-peer application. Which of the following is the HIGHEST layer of the OSI model at which this router ACL operates?

Question9: The Chief Information Officer (CIO) has noticed the corporate wireless signal is available in the parking lot.
Management requests that the wireless network be changed so it is no longer accessible in public areas, without affecting the availability inside the building. Which of the following should be changed on the network?

Question10: A technician has been alerted of incoming HTTP traffic on the LAN segment that should not contain any web servers. The technician has the IP address of the destination host and wants to determine if the socket for HTTP is open. Which of the following should the technician perform?

Question11: A technician has received a report that details the need for a patch and a complete list of the affected systems.
Which of the following activities MOST likely generated the report?

Question12: A network technician needs to configure a device with an embedded OS so it can be connected to a wireless handheld scanner. Which of the following technologies should be configured on the OS to create the wireless connection?

Question13: Which of the following is a system of notation that uses base 16 rather than base 10?

Question14: A network engineer arrives at work and discovers that many users are having problems when attempting to connect to the company network shared drives. The network operations center (NOC) technician just completed server upgrades the night before. To which of the following documents should the NOC technician refer to determine what potentially caused the connectivity problem?

Question15: A network technician is configuring a wireless network at a branch office. Users at this office work with large files and must be able to access their files on the server quickly. Which of the following 802.11 standards provides the MOST bandwidth?

Question16: A human resources manager notifies the IT manager the night before an employee will be terminated so the employee's access rights can be removed. Which of the following policies is being exercised?

Question17: Which of the following VPN protocols establishes a secure session that can be initiated using a browser?

Question18: A technician wants to prevent an unauthorized host from connecting to the network via Ethernet. Which of the following is a Layer 2 access control the technician should implement?

Question19: Which of the following should a technician investigate when using a network baseline to troubleshoot?

Question20: A technician needs to upgrade a SOHO wireless router's firmware. The technician resets the router to factory settings and installs the new firmware. The technician enters the DHCP information and sets the SSID. Which of the following configurations would provide the MOST protection from advance hackers?

Question21: The process of attempting to exploit a weakness in a network after being given permission by the company is known as:

Question22: An administrator wants to implement an additional authentication factor to the remote SSH servers. Which of the following accomplishes this goal with the principle of "something you have"?

Question23: A company's web-based application has a database that is set up for high availability in case of a failure.
Which of the following is necessary to achieve this type of setup?

Question24: After deployment of a second network link to load balance the network traffic, the quality of voice calls degrades. The network administrator discovers the voice packets are arriving at uneven intervals that cannot be handled by the voice application buffer. Which of the following actions will improve the quality of the voice calls?

Question25: A technician is installing a SOHO router. Which of the following should be performed on every installation and periodically maintained to prevent unauthorized access? (Choose two.)

Question26: Which of the following backup techniques is used to capture all the data that has changed since the last full backup?

Question27: Which of the following devices would allow a network administrator to block an application at Layer7 on the network?

Question28: A network technician is responding to a user's trouble ticket. After replacing the network patch cable with a longer cable, the user is no longer connecting to the network. The network administrator tests the patch cable with a tester and confirms the cable is not faulty. Which of the following is the issue with the newly installed cable?

Question29: A company has contracted with an outside vendor to perform a service that will provide hardware, software, and procedures in case of a catastrophic failure of the primary datacenter. The Chief Information Officer (CIO) is concerned because this contract does not include a long-term strategy for extended outages. Which of the following should the CIO complete?

Question30: A home user is unable to get to the Internet from a workstation that is connected to a wireless network. When reviewing the results of the ipconfig command, the user wants to verity the default gateway is correct. Which of the following devices should be the gateway?

Question31: A technician has been assigned to capture packets on a specific switchport. Which of the following switch feature MUST be used to accomplish this?

Question32: Which of the following network topologies typically has all devices on a network directly connected to every other network device?

Question33: A technician is observing brownout issues at a smaller office. At least once a week, the edge switch power cycles. Which of the following should the technician do to resolve the issue?

Question34: A technician is preparing to dispose of old network devices. Which of the following policies and best practices would outline procedures for removing sensitive information and configurations from surplus equipment?

Question35: A network technician is coordinating the upgrade of the company's WAP firmware with all the remote locations. The company has occasionally experienced errors when transferring large files to some of the remote offices. Which of the following should be used to ensure files arrive without modifications?

Question36: A network engineer is designing a new network for a remote site. The remote site consists of ten desktop computers, ten VoIP phones, and two network printers. In addition, two of the desktop computers at the remote site will be used by managers who should be on a separate network from the other eight computers.
Which of the following represents the BEST configuration for the remote site?

Question37: A network analyst is providing access to an FTP server that stores files that are needed by external contractors who are working on a project. In which of the following network locations should the FTP server be placed to achieve the MOST secure environment?

Question38: A network administrator is purchasing a mobile phone for a manager who is traveling internationally. The phone needs to be able to make and receive calls in multiple countries outside of North America. Which of the following cellular technologies should the administrator look for in the phone?

Question39: Which of the following protocols do MOST MITM attacks utilize?

Question40: Company policy dictates that full backups are taken every Sunday evening, and incremental backups occur Monday through Saturday in the evening. If data loss were to occur on a Thursday before the backup window, which of the following is the number of backup sets that would be needed to retrieve the lost data come Friday morning?

Question41: Which of the following should be performed to verify that unnecessary services are disabled on all switches in an environment?

Question42: An AP is configured to authenticate clients by using their Active Directory username and password. The AP uses UDP to connect to the authentication service, which then queries Active Directory. Which of the following authentication services is being used by the AP in this scenario?

Question43: Which of the following should be configured on the network to achieve performance for the FCoE storage traffic?

Question44: A shop owner wants to ensure that only a specified group of devices can access the wireless network. Which of the following methodologies will BEST ensure unauthorized devices cannot consume the shop owner's limited Internet bandwidth?

Question45: A technician arrives at a new building to find cabling has been run and terminated, but only the wall ports have been labeled. Which of the following tools should be utilized to BEST facilitate labeling the patch panel?

Question46: A technician is sent to troubleshoot a faulty network connection. The technician tests the cable, and data passes through successfully. No changes were made in the environment, however, when a network device is connected to the switch using the cable, the switchport will not light up. Which of the following should the technician attempt NEXT?

Question47: Which of the following WAN technologies utilizes the concept of virtual circuits and point-multipoint connections?

Question48: A network technician is connecting two switches together. Which of the following protocols should the technician use to increase speed and fault tolerance?

Question49: A technician is replacing a failed SOHO router for a customer who has an existing switch, cable modem, and static IP address. The user has a web server that faces the Internet so users can visit and leave comments.
Which of the following BEST describes the correct configuration for this customer's requirements?

Question50: An administrator is redesigning a company's network and wants to reduce the amount of hardware needed Currently, all VLAN routing goes out a single switch interface to a router. Which of the following would reduce the number of devices in this configuration?

Question51: A network administrator needs to transmit traffic to geographically diverse sites to improve performance.
Which of the following devices would BEST direct traffic to the remote sites?

Question52: Two computers are connected to a multilayer switch, and both can access the corporate file server. The computers cannot talk to one another. Which of the following is MOST likley the cause?

Question53: A network engineer wants to change how employees authenticate to the wireless network. Rather than providing a pre-shared key, the engineer wants employees to be able to authenticate with the same unique company user ID and password they use for accessing other services, such as email and document sharing. The engineer also wants to receive daily reports of login attempts on the wireless network. Which of the following should be installed to achieve this goal?

Question54: 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 (APs) 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.

Instructions: When you have completed the simulation, select the Done button to submit.

Question55: Before upgrading the firmware on several routers, a technician must verify the firmware file received is the same one the vendor provided. Which of the following should the technician use?

Question56: An engineer is reviewing the implementation requirements for an upcoming project. The basic requirements identified by the customer include the following:
* WLAN architecture supporting speeds in excess of 150 Mbps
* Clientless remote network access
* Port-based network access control
Which of the following solution sets properly addresses all of the identified requirements?

Question57: First thing on Monday morning, after a maintenance weekend, the help desk receives many calls that no one can access the Internet. Which of the following types of documentation should the on-call network administrator consult FIRST?

Question58: A junior network technician is working in the field and needs to connect to the company's remote server, however, doing so will require the junior technician to use the public Internet. Because security is a concern, which of the following is the BEST method to use?

Question59: A network technician is investigating reports of blocked downloads from a firewall. Which of the following should be used to determine which protocols are being blocked?

Question60: Greater bandwidth and availability are required between two switches. Each switch has multiple 100Mb Ethernet ports available. Which of the following should a technician implement to help achieve these requirements?

Question61: A network administrator wants to ensure sensitive data is not exfiltrated from the system electronically. Which of the following should be implemented?

Question62: Which of the following statements about the OSI model is true?

Question63: A second router was installed on a network to be used as a backup for the primary router that works as a gateway. The infrastructure team does not want to change the IP address of the gateway on the devices. Which of the following network components should be used in this scenario?

Question64: A vendor is installing an Ethernet network in a new hospital wing. The cabling is primarily run above the ceiling grid near air conditioning ducts and sprinkler pipes. Which of the following cable types is required for this installation'?

Question65: The network team at a university, which has on-campus residences, recently expanded the WiFi offerings to the dormitories. Each dormitory houses approximately 75 students, who each have multiple wireless devices.
The WLAN utilizes an intelligent wireless controller for configuration and management. While the WiFi in academic buildings continues to receive few to no complaints, dormitory complaints are on the rise. Which of the following is MOST likely causing the complaints?

Question66: Under which of the following layers of the OSI model do ATM cells operate?

Question67: Log files show the admin user has logged into a public-facing device on several occasions in the evening.
None of the technicians admit to doing any after-hours work, and the password has been changed several times but failed to prevent the logins. Which of the following should be the NEXT step to attempt to harden the device?

Question68: An employee reports an error when visiting a website using SSL, and a message is displayed warning of an invalid certificate. Which of the following could be occurring?

Question69: A network technician sets up a new schedule on the backup server. Management has informed the technician that a full backup does not need to be completed every day. The technician sets up weekly full backups. Which of the following should the technician configure for the remaining days to MINIMIZE the daily backup size?

Question70: Joe, a user, is having issues when trying to access certain web pages. Upon navigating to a web page, it seems like it connects, but then presents the following message:

Joe has cleared his cache and cookies, rebooted his machine, and attempted to browse to the website from a coworker's desktop, but it still presented with this error.
Which of the following is the MOST likely cause of this error?

Question71: A wireless client is having issues staying connected to the wireless network even though the client is less than
20ft (6m) from the access point. Which if the following is MOST likely the cause?

Question72: A network technician notices the site-to-site VPN and Internet connection have not come back up at a branch office after a recent power outage. Which of the following is an out-of-band method the technician would MOST likely utilize to check the branch office's router status?

Question73: A technician is investigating the cause of a network outage. Which of the following documents should be checked to rule out configuration issues?

Question74: Which of the following creates a secure remote connection at the OSI network layer?

Question75: The process of searching for open or weakly secured wireless networks in a geographic area is known as:

Question76: The security manager reports that individual systems involved in policy or security violations or incidents cannot be located quickly. The security manager notices the hostnames all appear to be randomly generated characters. Which of the following would BEST assist the security manager identifying systems involved in security incidents?

Question77: A UTM is deployed on the external edge of the main corporate office. The office connects to the WAN port of the edge router. The edge router at the main office connects to the remote offices using GRE IPSec tunnels. A network administrator notices that a worm that was not detected by the UTM has spread from the remote sites into the corporate network. The UTM currently has traffic rules applied that should block the port used by the worm. Which of the following steps would MOST likely correct this issue?

Question78: A developer has asked a network engineer for a small network segment of five computers connected via a Layer 1 device, configured in a star topology, and segregated from the corporate network. Which of the following would BEST fulfill the developer's request?

Question79: A technician notices clients are receiving a 169.254.x.x IP address following the upgrade of a server. Which of the following ports should the technician check on the local server firewall?

Question80: A network technician is installing a new network switch in the MDF. The technician is using fiber to connect the switch back to the core. Which of the following transceiver types should the technician use?

Question81: 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:

Question82: A network technician is setting up a WiFi network in a multi-tenant building. When trying to determine the best channel, which of the following is the BEST tool to use?

Question83: A network technician receives a call from a user who is experiencing network connectivity issues. The network technician questions the user and learns the user brought in a personal wired router to use multiple computers and connect to the network. Which of the following has the user MOST likely introduced to the network?

Question84: At which of the following layers of the OSI model would TCP/UDP operate?

Question85: A business with a point-to-point fiber-optic connection is suddenly unable to communicate between locations.
A fiber cut is suspected. Which of the following tools should the network technician use to determine the exact location of the cut?

Question86: A network engineer at a large company is restricting Internet browsing on the corporate WAN to only business-related external websites. Which of the following is the BEST solution to achieve this goal while avoiding the need to configure this restriction on each PC?

Question87: A technician has deployed an additional DHCP server for redundancy. Clients in certain subnets are not receiving DHCP leases from the new DHCP server. Which of the following is the MOST likely cause?

Question88: In which of the following scenarios should a technician use a cross-over cable to provide connectivity?

Question89: Management requires remote access to network devices when the ISP is down. Which of the following devices would provide the BEST solution?

Question90: A network technician receives a call from a branch office about a problem with its wireless connectivity. The user states the office is hosting a large meeting that includes some online training with local businesses. The guest users have all brought devices to connect to the guest network at the branch office. All users are connected to a single WAP and are reporting that connections keep dropping and network spends are unusable.
Which of the following is the MOST likely cause of this issue?

Question91: A network technician is installing a new wireless network for a client. The client has experienced issues with other building tenants connecting to the wireless network and utilizing the bandwidth. The client wants to prevent this from happening by using certificate-based authentication. Which of the following technologies should the network administrator implement?

Question92: A server rack was moved from one floor to another. The network engineer needs to determine what physical changes to make on the network to ensure the server rack has connectivity. Which of the following should the network engineer consult?

Question93: An office network consists of one two-port router connected to a 12-port switch. A four-port hub is also connected to the switch. On this particular network, which of the following is the number of collision domain that exist?

Question94: Which of the following should current network performance be compared against to determine network anomalies?

Question95: After a server outage, a technician discovers that a physically damaged fiber cable appears to be the problem.
After replacing the cable, the server will still not connect to the network. Upon inspecting the cable at the server end, the technician discovers light can be seen through one of the two fiber strands. Which of the following should the technician do FIRST to reconnect the server to the network?

Question96: A technician wants to set an IP address to a specific MAC address on a host machine. Which of the following commands should the technician use?

Question97: A user does not have access to network services but has Internet access. The technician notices the computer has an IP address of 192.168.1.144 when the network is 10.10.10.0. Which of the following is MOST likely the issue?

Question98: Which of the following physical security devices is used to prevent unauthorized access into a datacenter?

Question99: A network technician is troubleshooting an end-user connectivity problem. The network technician goes to the appropriate IDF but is unable to identify the appropriate cable due to poor labeling. Which of the following should the network technician use to help identify the appropriate cable?

Question100: Which of the following operate only within the UDP protocol?

Question101: A technician is allocating the IP address space needed for a new remote office. This office will contain the engineering staff with six employees and the digital marketing staff with 55 employees. The technician has decided to allocate the 192.168.1.0/24 block to the remote office. The engineering staff has been allocated the
192.168.1.64/29 subnet. Using the LEAST amount of space possible, which of the following would be the last usable IP address in the engineering subnet?

Question102: A company deploys many workers in the field who remotely access files from a server at headquarters.
Leadership is concerned about the risks posed when field workers update these files from unsecured networks.
Which of the following policy changes can the company make to MOST improve the confidentiality of connections when connecting remotely? (Choose two.)

Question103: A network administrator would like to collect information from several networking devices using SNMP.
Which of the following SNMP options should a network administrator use to ensure the data transferred is confidential?

Question104: Which of the following ports should a network technician open on a firewall to back up the configuration and operating system files of a router to a remote server using the FASTEST method possible?

Question105: A company has two geographically separate locations that need to connect using a VPN. Which of the following devices must be specifically configured to allow VPN traffic into the network?

Question106: Client PCs are unable to receive addressing information from a newly configured interface on a router. Which of the following should be added to allow the clients to connect?

Question107: A network technician is performing an initial configuration of a new network switch. Per company policy, the only authorized manner for remotely administering the switch is through a command line. Which of the following protocols should the technician disable to adhere to the company policy?

Question108: A technician is installing a new wireless badging system on a hospital network. The requirements of the badging system are for it to have its own SSID and low power levels. The badging system has to cover 99.9% of the hospital. Which of the following is the BEST action to take to meet the system requirements?

Question109: A network administrator wants to employ a username and password authentication system for guest WiFi.
Which of the following is the BEST option to provide this type of authentication?

Question110: Which of the following concepts would BEST describe when a company chooses to use a third-party vendor to host and administer a critical application?

Question111: A network technician is configuring user access to a VPN concentrator and has been advised to use a protocol that supports encryption over UDP. Which of the following protocols has the technician MOST likely configured for client use?

Question112: A user calls the help desk for assistance with setting up a new SOHO router. The user has three employees who all have laptops that need to connect to the wireless network. The users need to have firewall rules allowing access to an internal server, but cannot be configured with static IP addresses. Which of the following BEST describes what the technician should implement?

Question113: Joe, a network technician, wants to locally back up several router and switch configurations. He wants to store them on a server that can be accessed easily for recovery without authentication. Which of the following servers should Joe use?

Question114: A technician has installed multiple new PC clients and is connecting them to the network. Only one client is receiving IP addressing information. Which of the following should the technician verify as the NEXT troubleshooting step?

Question115: Which of the following policies prohibits a network administrator from using spare servers in the datacenter to mine bitcoins?

Question116: Which of the following will listen on the line to ensure there is no traffic transmitting and implement a back-off timer if a collision occurs?

Question117: The help desk is receiving erase the hard drive to eliminate to a server. A help desk technician suspects the server Is unable to establish a three-way handshake due to a DoS attack. Which of the following commands should a network administrator use to confirm the help desk technician's claim?

Question118: A network administrator is testing connectivity at a new corporate site. The site has a wireless guest as well as a wired employee network. After verifying connectivity, the administrator checks link speeds by using a speed testing website. The speed testing website shows lower download and upload speeds for the wired network than the wireless network. Which of the following is the MOST likely explanation?

Question119: A customer is reporting difficulty connecting some devices after replacing a wireless router with a new wireless 802.11ac router. The SSID, encryption and password are the same as the previous router. A technician goes on-site and notices the devices that are no longer connecting appear to be several years ago.
Which of the following is MOST likely the problem?

Question120: A user claims to have no Internet access but can access local resources. A technician determines the issue is with a configuration because a ping to a working public website shows a response that starts with:
Ping request could not find host
Which of the following is the MOST likely misconfiguration?

Question121: Which of the following security mechanisms dynamically assigns a Layer 2 address and restricts traffic only to that Layer 2 address?

Question122: A company hires another firm to test the integrity of its information security controls. This is an example of

Question123: Which of the following would indicate that a circuit speed should be increased?

Question124: A technician is installing six PCs and six VoIP telephones on a small office LAN. The VoIP telephones require QoS to be configured for proper operation. The customer router does not have QoS capability. Which of the following network devices should the technician purchase and install at this office?

Question125: A network technician performs a wireless site survey at a company building and identifies that the cafeteria is not covered by a wireless signal. The cafeteria is located in a medium-size, square-shaped room. Which of the following types of WAP antenna should the technician install in the center of the cafeteria to provide the BEST coverage?

Question126: A company is experiencing exponential growth and has hired many new employees. New users are reporting they cannot log into their systems, even though they are on the same network. The technician can see physical connectivity to the network switch along with their MAC addresses. Which of the following should the technician check NEXT?

Question127: Which of the following WAN technologies is MOST preferred when developing a VoIP system with 23 concurrent channels?

Question128: A technician wants to configure a SOHO network to use a specific public DNS server. Which of the following network components should the technician configure to point all clients on a network to a new DNS server?

Question129: A network technician is setting up the wireless network for a company's new branch office. After doing a site survey, the technician discovers there is a lot of interference from 2.4GHz devices at the location on channel
11. Which of the following would be the BEST channel on which to set up the WAPs?

Question130: Which of the following technologies is used to attach multiple guest operating systems to a single physical network port?

Question131: 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.

Question132: A building is equipped with light sensors that turn off the fluorescent lights when natural light is above a certain brightness. Users report experiencing network connection issues only during certain hours. The west side of the building experiences connectivity issues in the morning hours and the east side near the end of the day. At night the connectivity issues affect the entire building. Which of the following could be the cause of the connectivity issues?

Question133: A network administrator wishes to ensure there are no unnecessary open communication paths into a server.
Using a port scanner, the administrator finds that ports are reported as closed. Which of the following BEST explains this response?

Question134: A network technician has been asked to install an additional switch in an IDF, but all of the single-mode fiber is in use between the IDF and MDF. The technician has deployed new transceivers that allow for the use of a single fiber stand, providing the additional fiber needed for the new switch. Which of the following has the technician deployed?

Question135: 802.11n clients currently have no way to connect to the network. Which of the following devices should be implemented to let the clients connect?

Question136: A technician is setting up a public guest network for visitors to access the Internet that must be separate from the corporate network. Which of the following are the BEST steps for the technician to take with minimum overhead configuration? (Choose two.)

Question137: Which of the following components can be used to manage network traffic to all nodes in a hypervisor?

Question138: Which of the following storage connection types should be used to allow the consolidation of the physical connections for SAN and LAN in just one Layer 2 protocol?

Question139: 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.

Question140: To replace a defective UPS, the network administrator must take the switch offline. The administrator wants to be able to perform maintenance UPS in the future without affecting the availability of the attached switch.
Which of the following would BEST allow this to happen?

Question141: A company finds that many desktops are being reported as missing or lost. Which of the following would BEST assist in recovering these devices?

Question142: A school is implementing a wireless network and wants to ensure there is adequate coverage. The gymnasium has thick cinder-block walls, and there are several offices adjacent to it. Which of the following should the network technician recommend to ensure full coverage while minimizing the total number of APs purchased?

Question143: Which of the following networking devices operates at Layer1?

Question144: A network technician is implementing a solution on the network to hide the workstation internal IP addresses across a WAN. Which of the following is the technician configuring?

Question145: A network administrator has signed up for service with a new ISP. The administrator was given the IP address of 172.17.10.254/30 to use on the external interface of the Internet-facing router. However, the network administrator cannot reach the Internet using that address. Which of the following is the MOST likely?

Question146: After rebooting a PC, a user is no longer able to connect to the corporate network. As a test, the technician plugs a different laptop into the same network jack and receives an IP address of 169.254.112.137. Which of the following is MOST likely causing the issue?

Question147: Which of the following protocols is used by Active Directory for authentication?

Question148: Which of the following can a network administrator use to access a network switch using standard AAA configurations?

Question149: A network technician is adding a 10/100 switch with RJ45 connectors to the company network to accommodate new computers being added to a network segment. There is no auto-MDIX port on the switch that needs to be connected to the existing switch on the segment. Which of the following should the technician use to make the connection?

Question150: Which of the following IPv6 transition methods requires all network devices to support IPv4 and IPv6?

Question151: Which of the following is the physical location where the customer-premise equipment comes together with the ISP or third-party telecommunications equipment?

Question152: A network administrator gets a call regarding intermittent network outages across the country. Which of the following should be used to connect to the network so the administrator can troubleshoot this issue from home? (Choose two.)

Question153: Which of the following MUST be installed on an employee's computer if the remote access VPN implements an SSL VPN with PKI authentication?

Question154: Which of the following would be the MOST efficient subnet mask for a point-to-point link?

Question155: Which of the following is the SHORTEST way to write 2001:0000:0d58:0000:0000:0095:7565:0001 in proper IPv6 shorthand?

Question156: A network technician at a small office upgrades the LAN switch. After the upgrade, a user reports being unable to access network resources. When the technician checks the switchport, the LED light is not lit. Which of the following should the technician check FIRST?

Question157: A network technician has created a network that consists of a router, a firewall, a switch, and several PCs.
Which of the following physical network topologies was created?

Question158: A new building needs to be joined to an existing network, but management has decided that running fiber is too expensive. Since the buildings are about 1000ft (305m) apart, the IT department has been asked to propose alternatives. Which of the following is the BEST device to add to each building to facilitate the extension of the network while meeting budgetary demands?

Question159: In which of the following ways does a DDoS attack differ from a spoofing attack?

Question160: A network technician works in a large environment with several thousand users. Due to the needs of the organization, the network manager has asked the technician to design a solution that accommodates the data needs of all the users, while keeping all data on site. Which of the following solutions should the technician Implement?

Question161: Which of the following communication media can carry many voice, data, and video channels simultaneously over multiple frequencies?

Question162: A customer wants to set up a guest wireless network for visitors. The customer prefers to not have a password on the network. Which of the following should a technician set up to force guests to provide information before using the network?

Question163: A network technician is planning to update the firmware on a router on the network. The technician has downloaded the file from the vendor's website. Before installing the firmware update, which of the following steps should the technician perform to ensure file integrity?

Question164: A network administrator is concerned about clients being able to access the local Internet while connected to the corporate VPN. Which of the following should be disabled on the client to prevent this?

Question165: A network technician is installing and configuring a new router for the sales department. Once the task is complete, which of the following needs to be done to record the change the technician is masking to the company network?

Question166: Allowing data to be centrally stored and accessed by multiple devices on an isolated subnet is BEST understood as:

Question167: A company has just installed a new cloud VoIP solution, however, users occasionally report poor call quality or dead air being present. Which of the following describes the NEXT troubleshooting step the technician should take?

Question168: A network technician has been asked to create secure private networks between a company's headquarters and several branch locations. The company has provided the on-premises equipment, but each branch has a different ISP. Which of the following technologies should the technician consider using to accomplish this?

Question169: When speaking with a client, an employee realizes a proposed solution may contain a specific cryptographic technology that is prohibited for non-domestic use. Which of the following documents or regulations should be consulted for confirmation?

Question170: Which of the following provides information about how often some devices fail so the IT department can take proactive measures?

Question171: Users report that the network is slow. Upon investigation, the technician notices all users are on one large subnet. Which of the following devices should be used to break up broadcast domains?

Question172: A technician wants to deploy a network that will require wireless client devices to prompt for a username and password before granting access to the wireless network. Which of the following must be configured to implement this solution?

Question173: The network support team is responsible for managing connections in a large, multipurpose venue where maintaining physical security is difficult. Implementing which of the following standards would BEST help to prevent unauthorized connections to the wired network?

Question174: A network administrator wants to ensure all traffic is inspected and abides by the AUP, and that malicious traffic is stopped. Which of the following features should be enabled on a firewall to meet this requirement?

Question175: Which of the following network topologies is primarily used to connect servers to large network disk arrays?

Question176: Which of the following technologies allows network traffic to come into the network on a certain port and go to a destination server with a different port?

Question177: Which of the following BEST describes the BGP routing protocol?

Question178: Which of the following Is a network device that is responsible for separating collision domains?

Question179: A small company is requesting a quote to refresh its wireless network. The company currently runs 60 autonomous APs and has plans to increase wireless density by 50% in the near future. The requirements state that the chosen solution should significantly decrease the management overhead of the current wireless network.
Which of the following should the vendors recommend in response to the quote request?

Question180: A network technician is troubleshooting an issue and has established a theory of probable cause. Which of the following steps should the network technician take NEXT?

Question181: A network technician installs a web server on the firewall. Which of the following methods should the technician implement to allow access to outside users without giving access to the inside network?

Question182: A company's server-naming convention is overly complicated. The systems administrator wants to change the naming convention to make it easier for users to remember which hosts they should log into. However, renaming servers is complicated and requires some downtime. Which of the following DNS record types would accomplish this goal without requiring servers to be renamed?

Question183: A server in a LAN was configured to act as a gateway between all company computers and an external network. Which of the following networking devices offers the ability to increase both performance and security?

Question184: Joe, a technician, was able to copy data at a site with no network equipment between two new laptops, featuring gigabit Ethernet ports, by using a regular straight-through patch cable. Joe then unsuccessfully triedto accomplish the same thing at a different site from his laptop with a gigabit Ethernet port to an older customer unit, which had a 10/100 network port. Which of the following is the cause of this?

Question185: A network technician is reviewing switch ACLs to determine if they are causing communication issues with one PC. The PC's IP address is 192.168.12.66. Which of the following is the network range found in the ACL that could have affected this PC?

Question186: A technician is setting up a branch office on a point-to-point connection. Which of the following IP network blocks is the MOST efficient use of IP address space for the router connections between the two sites?

Question187: An administrator is troubleshooting a user's intermittent wireless connectivity issue. Other users across the hallway can connect and use the wireless network properly. Upon inspection of the connection details, the administrator finds the following:

Which of the following is MOST likely the cause of the poor wireless connection?

Question188: A network technician needs to separate a web server listening on port 80 from the internal LAN and secure the server from the public Internet. The web server should be accessible to the public Internet over port 80 but not the private LAN. Currently, the network is segmented with a network-based firewall using the following IP addressing scheme on each interface:

Which of the following ones should the technician use to place the web server and which of the following firewall rules should the technician configure?

Question189: A network technician is creating a new subnet for 488 host machines. The technician is told to use a class B address scheme when making the subnet and is instructed to leave as much room as possible for additional subnets of the same size. Which of the following subnets would fulfill these requirements?

Question190: Which of the following allow for higher fault tolerance, availability, and performance across multiple systems? (Select TWO).

Question191: A small team is overloaded with requests for database resources. The Chief Information Officer (CIO) is concerned the company does not have the resources to deploy and manage these additional services efficiently.
Which of the following types of cloud services would be the MOST effective?