Question1: Which of the following protocols would the network administrator use to protect login credentials when accessing a router terminal session?
Question2: Which of the following layers of the OSI model is between the Data Link and Transport layers?
Question3: Users report that the network is slower than usual when accessing on-premises email. Which of the following should a network technician do to confirm the issue?
Question4: Following a fire in a data center, an executive is concerned about the amount of data that must be reentered. Which of the following describes the executive's concern?
Question5: A network administrator has been assigned to a team that is currently troubleshooting a large- scale outage. The network administrator makes some configuration changes to an on-premises router to see if the link comes up. Which of the following troubleshooting stages is described in this scenario?
Question6: A technician replaces a failed router with a spare that has been in inventory for some time. After attempting to enable HTTPS on the spare router, the technician discovers the feature is unavailable. The support office was able to connect to the previous router. Which of the following actions should the technician perform to enable HTTPS access for the support team?
Question7: Hotspot Question
You have been tasked with implementing an ACL on the router that will:
1. Permit the most commonly used secure remote access technologies from the management network to all other local network segments.
2. Ensure the user subnet cannot use the most commonly used remote access technologies in the Linux and Windows Server segments.
3. Prohibit any traffic that has not been specifically allowed.
INSRUCTIONS
Use the drop-downs to complete the ACL.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.


Question8: A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds that jitter at the office is greater than 10ms on the only WAN connection available. Which of the following would be MOST affected by this statistic?
Question9: An international company is transferring its IT assets, including a number of WAPs, from the United States to an office in Europe for deployment. Which of the following considerations should the company research before implementing the wireless hardware?
Question10: A new computer that was connected to the network reported an error of an Identical IP address with another computer. Both computers were configured for SLAAC. Which of the following is causing the error?
Question11: A technician is investigating packet loss to a device that has varying data bursts throughout the day. Which of the following will the technician MOST likely configure to resolve the issue?
Question12: A help desk technician is troubleshooting a Windows server named SQL.local and wants to check which port a specific application is running on. Which of the following commands should the technician run?
Question13: A network engineer performed a detailed network analysis. The engineer has decided to update the STP port cost in order to optimize the network. Which of the following processes should the engineer use to gain approval for the network optimization?
Question14: An engineer is concerned about date and time synchronization across networked devices. Which of the following should be used to address this concern?
Question15: 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?
Question16: Which of the following would be used to adjust resources dynamically for a virtual web server under variable loads?
Question17: Which of the following would be BEST to install to find and block any malicious users within a network?
Question18: Given the following output:

Which of the following attacks is this MOST likely an example of?
Question19: A network technician is implementing a solution that will allow end users to gain access to multiple applications after logging on. Which of the following authentication methods would allow this type of access?
Question20: The systems administrator has assigned an IP address and default gateway to a standard Layer
2 switch. Which of the following would be the primary purpose of doing this?
Question21: A network administrator needs to provide remote clients with access to an internal web application. Which of the following methods provides the HIGHEST flexibility and compatibility while encrypting only the connection to the web application?
Question22: A technician needs to map the path of a PC to the router. Which of the following tools should the technician use to accomplish this task?
Question23: A company cell phone was stolen from a technician's vehicle. The cell phone has a passcode, but it contains sensitive information about clients and vendors. Which of the following should also be enabled?
Question24: A technician is assisting a user who cannot connect to a website. The technician attempts to ping the default gateway and DNS server of the workstation.
According to troubleshooting methodology, this is an example of:
Question25: Which of the following cable types is MOST commonly used with POTS?
Question26: Which of the following is required when connecting an endpoint device with an RJ45 port to a network device with an ST port?
Question27: Which of the following bandwidth management techniques uses buffers al the client side to prevent TCP retransmissions from occurring when the ISP starts to drop packets of specific types that exceed the agreed traffic rate?
Question28: During the troubleshooting of an E1 line, the point-to-point link on the core router was accidentally unplugged and left unconnected for several hours. However, the network management team was not notified. Which of the following could have been configured to allow early detection and possible resolution of the issue?
Question29: Due to a surge in business, a company is onboarding an unusually high number of salespeople.
The salespeople are assigned desktops that are wired to the network. The last few salespeople to be onboarded are able to access corporate materials on the network but not sales-specific resources. Which of the following is MOST likely the cause?
Question30: An IT technician needs to increase bandwidth to a server. The server has multiple gigabit ports.
Which of the following can be used to accomplish this without replacing hardware?
Question31: A company is implementing a secure remote access solution for multiple employees. Which of the following should the company use?
Question32: A network administrator needs to run a single command-line tool capable of displaying routing table and multicast memberships.
Which of the following would BEST help the administrator achieve the requirements?
Question33: Users attending security training at work are advised not to use single words as passwords for corporate applications. Which of the following does this BEST protect against?
Question34: A network administrator is configuring a new switch and wants to ensure that only assigned devices can connect to the switch. Which of the following should the administrator do?
Question35: A network contains 25 access points. Which of the following devices would be best to change configurations on all the devices remotely?
Question36: An administrator wants to increase the availability of a server that is connected to the office network. Which of the following allows for multiple NICs to share a single IP address and offers maximum performance while providing fault tolerance in the event of a NIC failure?
Question37: A technician is troubleshooting a connectivity issue with an end user. The end user can access local network shares and intranet pages but is unable to access the internet or remote resources.
Which of the following needs to be reconfigured?
Question38: Which of the following would be used to indicate when unauthorized access to physical internal hardware has occurred?
Question39: A device is connected to a managed Layer 3 network switch. The MAC address of the device is known, but the static IP address assigned to the device is not. Which of the following features of a Layer 3 network switch should be used to determine the IPv4 address of the device?
Question40: A network technician is installing new software on a Windows-based server in a different geographical location. Which of the following would be BEST for the technician to use to perform this task?
Question41: Which of the following is an advanced distance vector routing protocol that automates routing tables and also uses some features of link-state routing protocols?
Question42: A network technician discovered multiple failed logins on a production server. Upon investigation, the technician determined that a client plugged a personal laptop in to the corporate LAN, which allowed malware on the laptop to probe the network. Which of the following would have prevented this unauthorized device?
Question43: A technician is equipped with a tablet, a smartphone, and a laptop to troubleshoot a switch with the help of support over the phone. However, the technician is having issues interconnecting all these tools in troubleshooting the switch. Which of the following should the technician use to gain connectivity?
Question44: A network administrator is setting up several loT devices on a new VLAN and wants to accomplish the following:
1. Reduce manual configuration on each system
2. Assign a specific IP address to each system
3. Allow devices to move to different switchports on the same VLAN
Which of the following should the network administrator do to accomplish these requirements?
Question45: A company is designing a new complex. The primary and alternate data centers will be in separate buildings 6.2mi (10km) apart and will be connected via fiber. Which of the following types of SFP is the best choice?
Question46: A network switch was installed to provide connectivity to cameras monitoring wildlife in a remote location. The organization is concerned that intruders could potentially leverage unattended equipment in the remote location to connect rogue devices and gain access to the organization's resources. Which of the following techniques would BEST address the concern?
Question47: A network administrator connects two unmanaged switches together with a straight-through Ethernet cable. The administrator reviews the connection and notices that the uplinks are not on.
Which of the following options offers the best solution for the issue?
Question48: A network administrator is troubleshooting the communication between two Layer 2 switches that are reporting a very high runt count. After trying multiple ports on both switches, the issue persists. Which of the following should the network administrator perform to resolve the issue?
Question49: A branch of a company recently switched to a new ISP. The network engineer was given a new IP range to assign. The ISP assigned 196.26.4.0/26, and the branch gateway router now has the following configurations on the interface that peers to the ISP:

The network engineer observes that all users have lost Internet connectivity. Which of the following describes the issue?
Question50: A business is using the local cable company to provide Internet access. Which of the following types of cabling will the cable company MOST likely use from the demarcation point back to the central office?
Question51: Which of the following statements about the OSI model is true?
Question52: A company just migrated its email service to a cloud solution. After the migration, two-thirds of the internal users were able to connect to their mailboxes, but the connection fails for the other one- third of internal users. Users working externally are not reporting any issues. The network administrator identifies the following output collected from an internal host:
c:\user> nslookup newmail.company.com
Non-Authoritative answer:
Name: newmail.company.com
IPs: 3.219.13.186, 64.58.225.184, 184.168.131.243
Which of the following verification tasks should the network administrator perform NEXT?
Question53: A network technician is configuring a new subnet on the distribution switch to support 15 network printers. Which of the following available subnets is the best choice to support all 15 printers on the LAN?
Question54: A network administrator decided to use SLAAC in an extensive IPv6 deployment to alleviate IP address management. The devices were properly connected into the LAN but autoconfiguration of the IP address did not occur as expected. Which of the following should the network administrator verify?
Question55: A network technician is troubleshooting an application issue. The technician is able to recreate the issue in a virtual environment. According to the troubleshooting methodology, which of the following actions will the technician most likely perform NEXT?
Question56: A company's network is set up so all Internet-bound traffic from all remote offices exits through a main datacenter. Which of the following network topologies would BEST describe this setup?
Question57: A network technician receives a support ticket concerning multiple users who are unable to access the company's shared drive. The switch interface that the shared drive is connected to is displaying the following:

Which of the following is MOST likely the issue?
Question58: A technician received a report that some users in a large, 30-floor building are having intermittent connectivity issues. Users on each floor have stable connectivity, but do not have connectivity to other floors. Which of the following devices is MOST likely causing the issue?
Question59: A company is sending a switch to a remote site to be reused. An administrator needs to move the switch and ensure no network settings persist. Which of the following databases does the administrator need to delete?
Question60: An administrator is working with the local ISP to troubleshoot an issue. Which of the following should the ISP use to define the furthest point on the network that the administrator is responsible for troubleshooting?
Question61: A technician is troubleshooting a client's report about poor wireless performance. Using a client monitor, the technician notes the following information:

Which of the following is MOST likely the cause of the issue?
Question62: An administrator is attempting to add a new system to monitoring but is unsuccessful. The administrator notices the system is similar to another one on the network; however, the new one has an updated OS version. Which of the following should the administrator consider updating?
Question63: The Chief Executive Officer of a company wants to ensure business operations are not disrupted in the event of a disaster. The solution must have fully redundant equipment, real-time synchronization, and zero data loss. Which of the following should be prepared?
Question64: Classification using labels according to information sensitivity and impact in case of unauthorized access or leakage is a mandatory component of:
Question65: A network technician reviews an entry on the syslog server and discovers the following message from a switch:
SPANNING-TREE Port 1/1 BLOCKED
Which of the following describes the issue?
Question66: A network administrator is given the network 80.87.78.0/26 for specific device assignments.
Which of the following describes this network?
Question67: A desktop support department has observed slow wireless speeds for a new line of laptops using the organization's standard image. No other devices have experienced the same issue. Which of the following should the network administrator recommend troubleshooting FIRST to resolve this issue?
Question68: A network technician is configuring a new firewall for a company with the necessary access requirements to be allowed through the firewall. Which of the following would normally be applied as the LAST rule in the firewall?
Question69: Which of the following would be used to enforce and schedule critical updates with supervisory approval and include backup plans in case of failure?
Question70: Which of the following is used to determine whether or not a user's account is authorized to access a server remotely?
Question71: A network administrator is testing performance improvements by configuring channel bonding on an 802.11ac AP. Although a site survey detected the majority of the 5GHz frequency spectrum was idle, being used only by the company's WLAN and a nearby government radio system, the AP is not allowing the administrator to manually configure a large portion of the 5GHz frequency range. Which of the following would be BEST to configure for the WLAN being tested?
Question72: A network technician is observing the behavior of an unmanaged switch when a new device is added to the network and transmits data.
Which of the following BEST describes how the switch processes this information?
Question73: A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection. The chain of connections is in the following order:
* Device
* LC/LC patch cable
* Patch panel
* Cross-connect fiber cable
* Patch panel
* LC/LC patch cable
* Switch
The connection is not working.
The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed. Which of the following is the MOST likely cause of the issue?
Question74: Which of the following would be used to forward requests and replies between a DHCP server and client?
Question75: A network technician needs to subnet the network. The marketing department has 28 devices.
Which of the following private IP address spaces should be used to ensure the MINIMUM number of unused IP addresses?
Question76: A network administrator wants to implement an authentication process for temporary access to an organization's network. Which of the following technologies would facilitate this process?
Question77: Which of the following redundant devices creates broadcast storms when connected together on a high-availability network?
Question78: A fiber patch cable, which was being stored in an unsecure telecommunications closet with janitorial supplies, was damaged and caused an outage. A network technician replaced the broken cable with a new cable from a sealed bag. However, this solution did not resolve the outage. Which of the following is the MOST likely explanation?
Question79: While using a secure conference call connection over a corporate VPN, a user moves from a cellular connection to a hotel wireless network. Although the wireless connection and the VPN show a connected status, no network connectivity is present. Which of the following is the MOST likely cause of this issue?
Question80: A network administrator will be running Ethernet cables through raised ceilings. Which of the following types of Ethernet cables is the safest solution?
Question81: A network administrator needs to configure a server to use the most accurate NTP reference available. Which of the following NTP devices should the administrator select?
Question82: A technician is troubleshooting a network switch that seems to stop responding to requests intermittently whenever the logging level is set for debugging. Which of the following metrics should the technician check to begin troubleshooting the issue?
Question83: A company's management team wants to implement NAC on the wired and wireless networks.
Which of the following is an authentication component that must be used in this solution?
Question84: Which of the following WAN transmission mediums is the fastest and can travel the longest distance?
Question85: Which of the following are considered AAA authentication methods? (Select TWO).
Question86: A Chief Executive Officer and a network administrator came to an agreement with a vendor to purchase new equipment for the data center. A document was drafted so all parties would be informed about the scope of the project before it started. Which of the following terms BEST describes the document used?
Question87: A network field technician is installing and configuring a secure wireless network. The technician performs a site survey.
Which of the following documents would MOST likely be created as a result of the site survey?
Question88: A network administrator is working to configure a new device to provide Layer 2 connectivity to various endpoints including several WAPs. Which of the following devices will the administrator MOST likely configure?
Question89: A technician is utilizing SNMPv3 to monitor network statistics. Which of the following actions would occur immediately of a server's utilization spikes above the prescribed value?
Question90: A network engineer performed a migration to a new mail server. The engineer changed the MX record, verified the change was accurate, and confirmed the new mail server was reachable via the IP address in the A record. However, users are not receiving email. Which of the following should the engineer have done to prevent the issue from occurring?
Question91: A technician is troubleshooting a wireless connectivity issue in a small office located in a high-rise building. Several APs are mounted in this office. The users report that the network connections frequently disconnect and reconnect throughout the day.
Which of the following is the MOST likely cause of this issue?
Question92: A network administrator received a report staling a critical vulnerability was detected on an application that is exposed to the internet. Which of the following Is the appropriate NEXT step?
Question93: Which of the following is the best way to remotely monitor who is accessing a secure data center?
Question94: Which of the following connector types would be used to connect to the demarcation point and provide network access to a cable modem?
Question95: A technician needs to set up a wireless connection that utilizes MIMO on non-overlapping channels. Which of the following would be the best choice?
Question96: A firewall administrator observes log entries of traffic being allowed to a web server on port 80 and port 443. The policy for this server is to only allow traffic on port 443. The firewall administrator needs to investigate how this change occurred to prevent a reoccurrence. Which of the following should the firewall administrator do next?
Question97: A trusted vendor emailed a security advisory to an engineer. The advisory listed publicly disclosed security issues and resolutions for the vendor's installed network devices. Which of the following describes this security concept?
Question98: A branch office is experiencing frequent power-related issues that are taking the network down dally. Which of the following would best address this network uptime issue?
Question99: Which of the following is a valid alternative to maintain a deployed proxy technology while saving physical space in the data center by moving the network service to the virtualization infrastructure?
Question100: Which of the following is the MOST effective security control to keep a company's physical perimeter protected against intrusions leveraged by social-engineering techniques?
Question101: Which of the following network topologies is ONLY possible between two users?
Question102: A network administrator would like to purchase a device that provides access ports to endpoints and has the ability to route between networks. Which of the following would be BEST for the administrator to purchase?
Question103: An ISP is unable to provide services to a user in a remote area through cable and DSL. Which of the following is the NEXT best solution to provide services without adding external infrastructure?
Question104: A user is having trouble uploading files to a server. However, other users in the department are not experiencing this issue. The network administrator checks the access switch and sees multiple CRC errors on that user's switchport. Which of the following should the network administrator do first?
Question105: A network administrator is troubleshooting a network connectivity issue. The workstation can connect to the internet but not to internal network resources. Which of the following is most likely the cause of the issue?
Question106: A technician is trying to install a VoIP phone, but the phone is not turning on. The technician checks the cable going from the phone to the switch, and the cable is good. Which of the following actions is needed for this phone to work?
Question107: A network administrator wants to balance the amount of data between two networking cards.
Which of the following can be used for two or more networking cards?
Question108: A technician is troubleshooting network connectivity from a wall jack. Readings from a multimeter indicate extremely low ohmic values instead of the rated impedance from the switchport. Which of the following is the MOST likely cause of this issue?
Question109: A company has a geographically remote office. In order to connect to the internet, the company has decided to use a satellite WAN link. Which of the following is the GREATEST concern for this type of connection?
Question110: Which of the following focuses on application delivery?
Question111: A company upgrades its network and PCs to gigabit speeds. After the upgrade, users are not getting the expected performance. Technicians discover that the speeds of the endpoint NICs are inconsistent. Which of the following should be checked first to troubleshoot the issue?
Question112: A network engineer needs to change an entire subnet of SLAAC-configured workstation addresses. Which of the following methods would be the best for the engineer to use?
Question113: Which of the following policies outlines the software and hardware requirements for using personally owned devices to conduct business?
Question114: Which of the following is the most accurate NTP time source that is capable of being accessed across a network connection?
Question115: A technician needs to verify an Ethernet run is functioning properly.
Which of the following tools should be used?
Question116: Which of the following devices would be used to extend the range of a wireless network?
Question117: A company wants to mitigate unauthorized physical connectivity after implementing a hybrid work schedule. Which of the following will the company MOST likely configure?
Question118: A small office has a wireless network with several access points that are used by mobile devices.
Users occasionally report that the wireless connection drops or becomes very slow. Reports confirm that this only happens when the devices are connected to the office wireless network.
Which of the following is MOST likely the cause?
Question119: A network administrator received reports that a 40Gb connection is saturated. The only server the administrator can use for data collection in that location has a 10GB connection to the network.
Which of the following is the best method to use on the server to determine the source of the saturation?
Question120: An IT officer is installing a new WAP. Which of the following must the officer change to connect users securely to the WAP?
Question121: Which of the following is the first step a network administrator should take in the troubleshooting methodology?
Question122: A malicious user is using special software to perform an on-path attack. Which of the following best practices should be configured to mitigate this threat?
Question123: Several end users viewing a training video report seeing pixelated images while watching. A network administrator reviews the core switch and is unable to find an immediate cause. Which of the following BEST explains what is occurring?
Question124: A user reports being unable to access network resources after making some changes in the office. Which of the following should a network technician do FIRST?
Question125: A security engineer is trying to determine whether an internal server was accessed by hosts on the internet. The internal server was shut down during the investigation.
Which of the following will the engineer review to determine whether the internal server had an unauthorized access attempt?
Question126: Which of the following can use a third party back-end LDAP user database for authentication?
Question127: A technician is working on a solution to isolate traffic between specific types of devices, servers, and users on the internal firewall. Which of the following traffic flows should be isolated?
Question128: A network administrator is adding a new switch to the network. Which of the following network hardening techniques would be BEST to use once the switch is in production?
Question129: A company is reviewing ways to cut the overall cost of Its IT budget. A network technician suggests removing various computer programs from the IT budget and only providing these programs on an as-needed basis. Which of the following models would meet this requirement?
Question130: Two new network switches located in different buildings are connected together with single-mode fiber. However, no link exists between the two switches. Which of the following steps should the technician perform FIRST to troubleshoot the issue?
Question131: Which of the following ports is commonly used by VoIP phones?
Question132: A rogue AP was found plugged in and providing Internet access to employees in the break room.
Which of the following would be BEST to use to stop this from happening without physically removing the WAP?
Question133: An application is not working. When the log files are reviewed, the application continuously tries to reach the following destination:

Which of the following is most likely associated with this IP address?
Question134: A technician is troubleshooting reports that a networked printer is unavailable. The printer's IP address is configured with a DHCP reservation, but the address cannot be pinged from the print server in the same subnet.
Which of the following is MOST likely the cause of the connectivity failure?
Question135: A user at a hotel sees two SSIDs; both are called "HotelWireless". After the PC connects to one of the APs, the user notices their browser homepage has been changed. Which of the following BEST describes this AP?
Question136: A wireless technician is working to upgrade the wireless infrastructure for a company. The company currently uses the 802.11g wireless standard on all access points. The company requires backward compatibility and is requesting the least expensive solution. Which of the following should the technician recommend to the company?
Question137: Which of the following would MOST likely utilize PoE?
Question138: Which of the following layers of the OSI model receives data from the application layer and converts it into syntax that is readable by other devices on the network?
Question139: A company requires a disaster recovery site to have equipment ready to go in the event of a disaster at its main datacenter. The company does not have the budget to mirror all the live data to the disaster recovery site. Which of the following concepts should the company select?
Question140: In order to prepare for a fire or natural disaster, a Chief Executive Officer would like the network administrator to set up a site with no equipment. Which of the following should the network administrator set up?
Question141: A network engineer turned on logging to assist with troubleshooting a suspected configuration issue. Which of the following would provide the network engineer with the most informative log information?
Question142: To access production applications and data, developers must first connect remotely to a different server.
From there, the developers are able to access production data. Which of the following does this BEST represent?
Question143: A network technician needs to set up an access method for Ann, a manager, to work from home.
Ann needs to locally mapped corporate resources to perform her job. Which of the following would provide secure access to the corporate resources?
Question144: Which of the following is used to purposely attack a system to exploit vulnerabilities?
Question145: A company is deploying a SAN at headquarters and a branch office 1,000mi (1,609km) away that will access small amounts of data. Which of the following types of connections would be MOST cost effective to implement?
Question146: Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on the same subnet?
Question147: Which of the following is MOST appropriate for enforcing bandwidth limits when the performance of an application is not affected by the use of buffering but is heavily impacted by packet drops?
Question148: A network engineer is installing APs for a SOHO where every staff member uses a cordless phone. Which of the following standards would work best to reduce interference?
Question149: A security administrator is trying to prevent incorrect IP addresses from being assigned to clients on the network. Which of the following would MOST likely prevent this and allow the network to continue to operate?
Question150: A false camera is installed outside a building to assist with physical security.
Which of the following is the device assisting?
Question151: While troubleshooting a network outage, a technician discovers symptoms that indicate a patch cable is connecting the core switch to the router. A network engineer confirms the theory is plausible, and the technician tests the cable. The cable passes the test, and the technician properly plugs the cable back into the correct network ports. However, the network outage continues. Which of the following is the NEXT step the technician should take to troubleshoot the network outage?
Question152: Which of the following DNS records works as an alias to another record?
Question153: A network technician is reviewing a document that specifies how to handle access to company resources, such as the Internet and printers, when devices are not part of the company's assets.
Which of the following agreements would a user be required to accept before using the company's resources?
Question154: A network technician is troubleshooting a specific port on a switch. Which of the following commands should the technician use to see the port configuration?
Question155: A technician would like to implement a low-latency Wi-Fi network. Which of the following standards should the technician deploy for the network if the expected user bandwidth is
450Mbps?
Question156: Which of the following is most closely associated with attempting to actively prevent network intrusion?
Question157: Which of the following is an example of on-demand scalable hardware that is typically housed in the vendor's data center?
Question158: The process of grouping network interfaces together to increase throughput is called:
Question159: Users in a remote office report that corporate web server pages are taking a long time to load, whereas users in the main corporate office do not have any issues. Which of the following is the best metric for a network administrator to check?
Question160: A network administrator is preparing new switches that will be deployed to support a network extension project. The lead network engineer has already provided documentation to ensure the switches are set up properly. Which of the following did the engineer most likely provide?
Question161: A network engineer needs to pass both data and telephony on an access port. Which or the following features should be configured to meet this requirement?
Question162: A technician is deploying a new SSID for an industrial control system. The control devices require the network to use encryption that employs TKIP and a symmetrical password to connect. Which of the following should the technician configure to ensure compatibility with the control devices?
Question163: An engineer is gathering data to determine the effectiveness of UPSs in use at remote retail locations. Which of the following statistics can the engineer use to determine the availability of the remote network equipment?
Question164: A home user states during a basement remodel, one of the workers cut the network cable that goes from the modem to the WAP and nothing else has changed. According to the network troubleshooting methodology, which of the following is the NEXT step?
Question165: A network administrator wants to control new router deployments via the use of application programming interfaces (APIs). This would be an example of:
Question166: Which of the following is used when a workstation sends a DHCP broadcast to a server on another LAN?
Question167: An administrator wants to host services on the internet using an internal server. The server is configured with an RFC1918 address, and the administrator wants to make the services that are hosted on the server available on one of the company's public IP addresses. Which of the following should the administrator configure to allow this access?
Question168: A network administrator is configuring a firewall to allow for a new cloud-based email server. The company standard is to use SMTP to route email traffic. Which of the following ports, by default, should be reserved for this purpose?
Question169: A network attack caused a network outage by wiping the configuration and logs of the border firewall. Which of the following sources, in an investigation to determine how the firewall was compromised, can provide the MOST detailed data?
Question170: A company recently added an addition to their office building. A technician runs new plenum network cables from the switch on one side of the company's gymnasium 80 meters (262 ft.) to the new offices on the other side, draping the wires across the light fixtures. Users working out of the new offices in the addition complain of intermittent network connectivity. Which of the following is MOST likely the cause of the connectivity issue?
Question171: Which of the following is the NEXT step to perform network troubleshooting after identifying an issue?
Question172: A company's web server is hosted at a local ISP. This is an example of:
Question173: In the past, users brought personal laptops to the office to bypass some of the security protocols on their desktops. Due to new security initiatives, management has asked that users not be allowed to attach personal devices to the network. Which of the following should a technician use to BEST meet this goal?
Question174: A network engineer is investigating issues on a Layer 2 switch. The department typically shares a switchport during meetings for presentations, but after the first user shares, no other users can connect. Which of the following is MOST likely related to this issue?
Question175: A network administrator is reviewing the network device logs on a syslog server. The messages are normal, but the time stamps on the messages are incorrect.
Which of the following actions should the administrator take to ensure the log message time stamps are correct?
Question176: An IT technician installs five old switches in a network. In addition to the low port rates on these switches, they also have improper network configurations. After three hours, the network becomes overwhelmed by continuous traffic and eventually shuts down. Which of the following is causing the issue?
Question177: A network administrator notices excessive wireless traffic occurring on an access point after normal business hours. The access point is located on an exterior wall. Which of the following should the administrator do to limit wireless access outside the building?
Question178: A company's data center is hosted at its corporate office to ensure greater control over the security of sensitive data. During times when there are increased workloads, some of the company's non-sensitive data is shifted to an external cloud provider.
Which of the following cloud deployment models does this describe?
Question179: Which of the following would MOST likely be used to review disaster recovery information for a system?
Question180: A technician is investigating a misconfiguration on a Layer 3 switch. When the technician logs in and runs a command, the following data is shown:

Which of the following commands generated this output?
Question181: Which of the following would most likely affect design considerations when building out an IDF?
Question182: Many IP security cameras use RTSP to control media playback. Which of the following default transport layer port numbers does RTSP use?
Question183: Which of the following services provides the network information for the address when IPv6 is used for SLAAC addressing?
Question184: A corporate client is experiencing global system outages. The IT team has identified multiple potential underlying causes throughout the enterprise. Each team member has been assigned an area to troubleshoot. Which of the following approaches is being used?
Question185: A network technician is troubleshooting a connectivity issue. All users within the network report that they are unable to navigate to websites on the internet; however, they can still access local network resources. The technician issues a command and receives the following results:
Pinging comptia.com [172.67.217.56] with 32 bytes of data:
Reply from 172.67.217.56: TTL expired in transit.
Reply from 172.67.217.56: TTL expired in transit.
Reply from 172.67.217.56: TTL expired in transit.
Reply from 172.67.217.56: TTL expired in transit.
Which of the following best explains the result of this command?
Question186: A network administrator creates a new network, 10.10.0.0/24, on a DHCP server. The administrator wants to ensure that 10.10.0.10-10.10.0.15 are not allocated to other devices.
Which of the following features should the administrator configure?
Question187: An attack is redirecting traffic from network hosts by changing their assigned DNS server. None of the hosts have static IP addresses, and the rogue DNS server was assigned automatically during the hosts' lease renewal for the network configuration. Which of the following should be implemented to prevent this type of attack from occurring again?
Question188: A network technician is doing a wireless audit and finds an SSID that does not match the company's SSID. The company uses the SSID of ABC123, and the SSID the technician found is Default. Which of the following threats did the network technician find?
Question189: SIMULATION
Users are unable to access files on their department share located on file server 2. The network administrator has been tasked with validating routing between networks hosting workstation A and file server 2.
INSTRUCTIONS
Click on each router to review output, identify any issues, and configure the appropriate solution.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.







Question190: Which of the following systems would MOST likely be found in a screened subnet?
Question191: An administrator has added four switches to a campus network. The switch in wiring closet A is only connected to the switch in wiring closet C. The switch in wiring closet B is connected to the switch in wiring closet C as well as wiring closet D. The switch in wiring closet D is only connected to the switch in wiring closet B. Which of the following topologies is represented in this design?
Question192: An ISP is providing internet to a retail store and has terminated its point of connection using a standard Cat 6 pin-out. Which of the following terminations should the technician use when running a cable from the ISP's port to the front desk?
Question193: Which of the following devices allows local, high-speed Ethernet traffic to be transmitted over twisted-pair telephone lines for WAN connectivity?
Question194: A company, which is located in a coastal town, retrofitted an office building for a new data center.
The underground fiber optics were brought in and connected to the switches in the basement network MDF. A server data center was built on the fifth floor with the two rooms vertically connected by fiber optics. Which of the following types of environmental sensors is most needed?
Question195: A security team would like to use a system in an isolated network to record the actions of potential attackers. Which of the following solutions is the security team implementing?
Question196: An engineer is configuring redundant network links between switches. Which of the following should the engineer enable to prevent network stability issues?
Question197: A technician is responsible for configuring a new firewall. The hardware team has already installed, powered, and connected the system. Which of the following types of documentation should the technician utilize to complete the task?
Question198: A customer is having issues accessing local resources on the network. A technician questions the user and discovers that a small switch had been taken out of storage and installed so that additional devices could be connected in the room. The technician runs the ping command from the PC to the network server and does not find any issues. However, data transfers to the server are slow, and the transfer appears to be locked up at times. Which of the following is the most likely cause of the issue?
Question199: Which of the following security concepts is related to ensuring that encrypted data is not edited while in transit?
Question200: A network technician must connect a newly installed access switch in a warehouse to the distribution switch in the telecommunications closet. The distance between the two switches is
1,640ft (500m). Which of the following is the best cable choice?
Question201: An administrator notices that after contact with several switches in an MDF they failed due to electrostatic discharge. Which of the following sensors should the administrator deploy to BEST monitor static electricity conditions in the MDF?
Question202: A help desk engineer needs to configure two servers to have the same public IP addresses.
Which of the following technologies should the engineer use?
Question203: Which of the following types of attacks can be used to gain credentials by setting up rogue APs with identical corporate SSIDs?
Question204: Which of the following protocols will a security appliance that is correlating network events from multiple devices MOST likely rely on to receive event messages?
Question205: A MAC address is a part of which of the following OSI model layers?
Question206: A network technician is attempting to increase throughput by configuring link port aggregation between a Gigabit Ethernet distribution switch and a Fast Ethernet access switch. Which of the following is the BEST choice concerning speed and duplex for all interfaces that are participating in the link aggregation?
Question207: A user from a remote office is reporting slow file transfers. Which of the following tools will an engineer MOST likely use to get detailed measurement data?
Question208: A network client is trying to connect to the wrong TCP port. Which of the following responses would the client MOST likely receive?
Question209: A network technician recently installed 35 additional workstations. After installation, some users are unable to access network resources. Many of the original workstations that are experiencing the network access issue were offline when the new workstations were turned on. Which of the following is the MOST likely cause of this issue?
Question210: A network administrator implements a group of access points, only changing the SSID, credentials, and IP address. Shortly after, users begin reporting poor quality and video loss while on video calls in the conference room. Which of the following should the administrator do to MOST effectively troubleshoot during business hours?
Question211: Which of the following fiber connector types is the most likely to be used on a network interface card?
Question212: Which of the following is the physical topology in which all devices are connected to each other?
Question213: A network manager wants to set up a remote access system for the engineering staff. Access to this system will be over a public IP and secured with an ACL. Which of the following best describes this system?
Question214: A network technician is investigating an IP phone that does not register in the VoIP system Although it received an IP address, it did not receive the necessary DHCP options The information that is needed for the registration is distributes by the OHCP scope All other IP phones are working properly. Which of the following does the technician need to verify?
Question215: Which of the following technologies would MOST likely be used to prevent the loss of connection between a virtual server and network storage devices?
Question216: 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?
Question217: Which of the following ports should be used to securely receive mail that is synchronized across multiple devices?
Question218: A technician installs a wireless router on an existing network by connecting it directly to the firewall. By default, the main network is a Class A network, while the wireless network is a Class C network. After the wireless router is installed, users connected to the wireless network report they are unable to connect to the Internet. Which of the following needs to be configured to BEST resolve this issue?
Question219: A technician is consolidating a topology with multiple SSIDs into one unique SSID deployment.
Which of the following features will be possible after this new configuration?
Question220: A Wi-Fi network was recently deployed in a new, multilevel building. Several issues are now being reported related to latency and drops in coverage. Which of the following is the FIRST step to troubleshoot the issues?
Question221: A network administrator is configuring a load balancer for two systems. Which of the following must the administrator configure to ensure connectivity during a failover?
Question222: Which of the following layers of the OSI model is responsible for end-to-end encryption?
Question223: An online gaming company needs a cloud solution that will allow for more virtual resources to be deployed when tournaments are held. The number of users who access the service increases during tournaments. The company also needs the resources to return to baseline levels once the resources are not needed in order to reduce cost. Which of the following cloud concepts would provide the best solution?
Question224: While setting up a new workstation, a technician discovers that the network connection is only
100 full duplex (FD), although it is connected to a gigabit switch.
While reviewing the interface information in the switch CLI, the technician notes the port is operating at IOOFD but Shows many RX and TX errors. The technician moves the computer to another switchport and experiences the same issues.
Which of the following is MOST likely the cause of the low data rate and port errors?
Question225: The phone company has provided a channelized T1 line. Which of the following should this line be connected to?
Question226: A customer lost the connection to the telephone system. The administration console is configured with multiple network interfaces and is connected to multiple switches. The network administrator troubleshoots and verifies the following:
- The support team is able to connect remotely to the administration
console.
- Rebooting the switch shows solid link and activity lights even on
unused ports.
- Rebooting the telephone system does not bring the system back online.
- The console is able to connect directly to individual modules
successfully.
Which of the following is the most likely reason the customer lost the connection?
Question227: Which of the following provides redundancy on a file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?
Question228: A switch is connected to another switch. Incompatible hardware causes a surge in traffic on both switches. Which of the following configurations will cause traffic to pause, allowing the switches to drain buffers?
Question229: The cybersecurity department needs to monitor historical IP network traffic on the WAN interface of the outside router without installing network sensors. Which of the following would be best to allow the department to complete this task?
Question230: Which of the following would be used to expedite MX record updates to authoritative NSs?
Question231: Users report that a database server responds slowly or drops connections to other servers at random during busy times. A technician notices the database and servers are connected to an access switch in the office. Which of the following should the technician do to improve the performance of the database server?
Question232: Which of the following routing protocols is used to exchange route information between public autonomous systems?
Question233: Network users reported that a recent firmware upgrade to a firewall did not resolve the issue that prompted the upgrade. Which of the following should be performed NEXT?
Question234: A network technician is investigating an issue with handheld devices in a warehouse. Devices have not been connecting to the nearest APs, but they have been connecting to an AP on the far side of the warehouse. Which of the following is the MOST likely cause of this issue?
Question235: Which of the following has the capability to centrally manage configuration, logging, and firmware versioning for distributed devices?
Question236: Which of the following is a valid and cost-effective solution to connect a fiber cable into a network switch without available SFP ports?
Question237: Which of the following routing protocols uses bandwidth and delay as the primary metrics to calculate the best path?
Question238: Which of the following can be used to centrally manage credentials for various types of administrative privileges on configured network devices?
Question239: A company has experienced a major security breach. Which of the following should the network administrator reference to determine the next steps?
Question240: A network administrator is creating a VLAN that will only allow executives to connect to a data source. Which of the following is this scenario an example of?
Question241: Which of the following records can be used to track the number of changes on a DNS zone?
Question242: A disaster recovery team needs a solution that would best meet the following requirements:
- The server infrastructure has been pre-installed
- The fail-over location offers basic life support.
- The fail-over location provides basic network connectivity.
- Minimizing cost is preferred over quicker business recovery times
- The expected time for services to be fully operational is days.
Which of the following sites would meet the requirements?
Question243: A Chief Information Officer (CIO) wants to improve the availability of a company's SQL database Which of the following technologies should be utilized to achieve maximum availability?
Question244: Which of the following OSI layers is ICMP a part of?
Question245: A technician is deploying a low-density wireless network and is contending with multiple types of building materials. Which of the following wireless frequencies would allow for the LEAST signal attenuation?
Question246: A firewall that detects and prevents attacks from outside the network based on learned data patterns can BEST be described as which of the following?
Question247: Which of the following is the next step to take after successfully testing a root cause theory?
Question248: When a user makes a VoIP phone call and finishes speaking, the user experiences a delay in hearing a response. Which of the following should the network engineer check?
Question249: An administrator is trying to retrieve management information from the network devices on their LAN. Which of the following monitoring resources provides the ability to collect this information encrypted over the network?
Question250: Which of the following can be used to limit the ability of devices to perform only HTTPS connections to an internet update server without exposing the devices to the public internet?
Question251: A client has just leased a new office space in a busy commercial building and would like to install a wireless network. Several other tenants are on the same floor. Multiple wireless networks are present in the building. Which of the following can be changed on the client's wireless network to help ensure that interference from other wireless networks is at a minimum?
Question252: A company is moving into a new office, and the network technician is setting up a new wireless solution. Which of the following is the first step the technician should take?
Question253: A network administrator wants all outgoing traffic to the internet to flow through a single device for web content inspection. Which of the following devices is the most appropriate?
Question254: A network technician needs to select an AP that will support at least 1.3Gbps and 5GHz only.
Which of the following wireless standards must the AP support to meet the requirements?
Question255: Which of the following security devices would be BEST to use to provide mechanical access control to the MDF/IDF?
Question256: A network technician configures a firewall's ACL to allow outgoing traffic for several popular services such as email and web browsing. However, after the firewall's deployment, users are still unable to retrieve their emails. Which of the following would BEST resolve this issue?
Question257: A technician is connecting multiple switches to create a large network for a new office. The switches are unmanaged Layer 2 switches with multiple connections between each pair. The network is experiencing an extreme amount of latency. Which of the following is MOST likely occurring?
Question258: A company wants an administrator to perform a vulnerability test. The administrator finds the company has a POTS phone system. Which of the following can the administrator use to point out the phone system vulnerability?
Question259: A newly installed VoIP phone is not getting the DHCP IP address it needs to connect to the phone system. Which of the following tasks needs to be completed to allow the phone to operate correctly?
Question260: ARP spoofing would normally be a part of:
Question261: Which of the following network devices can perform routing between VLANs?
Question262: A technician restored network connectivity on a user's laptop. After validating full system functionality, which of the following steps should the technician take NEXT?
Question263: Which of the following routing protocols has routes that are classified with an administrative distance of 110?
Question264: A technician is troubleshooting a report about network connectivity issues on a workstation. Upon investigation, the technician notes the workstation is showing an APIPA address on the network interface. The technician verifies that the VLAN assignment is correct and that the network interface has connectivity. Which of the following is MOST likely the issue the workstation is experiencing?
Question265: Users within a corporate network need to connect to the Internet, but corporate network policy does not allow direct connections. Which of the following is MOST likely to be used?
Question266: Which of the following would most likely be considered for an IDF installation in a secure facility?
Question267: A new student is given credentials to log on to the campus Wi-Fi. The student stores the password in a laptop and is able to connect; however, the student is not able to connect with a phone when only a short distance from the laptop. Given the following information:

Which of the following is MOST likely causing this connection failure?
Question268: A network technician is planning a network scope. The web server needs to be within 12.31.69.1 to 12.31.69.29. Which of the following would meet this requirement?
Question269: A network technician is installing an analog desk phone for a new receptionist.
After running a new phone line, the technician now needs to crimp on a new connector.
Which of the following connectors would MOST likely be used in this case?
Question270: A company wants to invest in new hardware for the core network infrastructure. The management team requires that the infrastructure be capable of being repaired in less than 60 minutes if any major part fails. Which of the following metrics is MOST likely associated with this requirement?
Question271: A city has hired a new employee who needs to be able to work when traveling at home and at the municipal sourcing of a neighboring city that snares services. The employee is issued a laptop, and a technician needs to train the employee on the appropriate solutions for secure access to the network from all the possible locations On which of the following solutions would the technician MOST likely train the employee?
Question272: A network is experiencing extreme latency when accessing a particular website. Which of the following commands will BEST help identify the issue?
Question273: A technician monitors a switch interface and notices it is not forwarding frames on a trunked port.
However, the cable and interfaces are in working order. Which of the following is MOST likely the cause of the issue?
Question274: A network administrator wants to check all network connections and see the output in integer form. Which of the following commands should the administrator run on the command line?
Question275: A network administrator is preparing answers for an annual risk assessment that is required for compliance purposes. Which of the following would be an example of an internal threat?
Question276: SIMULATION
A network technician needs to resolve some issues with a customer's SOHO network. The customer reports that some of the devices are not connecting to the network, while others appear to work as intended.
INSTRUCTIONS
Troubleshoot all the network components and review the cable test results by clicking on each device and cable.
Diagnose the appropriate component(s) by identifying any components with a problem and recommend a solution to correct each problem.
If at any time you would like to bring back the initial state of the simulation, please dick the Reset All button.

Question277: Which of the following policies should be referenced when a user wants to access work email on a personal cell phone?
Question278: A network engineer is monitoring a fiber uplink to a remote office and notes the uplink has been operating at 100% capacity for a long duration. Which of the following performance metrics is MOST likely to be impacted with sustained link saturation?
Question279: A user calls the IT department to report being unable to log in after locking the computer. The user resets the password, but later in the day the user is again unable to log in after locking the computer. Which of the following attacks against the user is MOST likely taking place?
Question280: A technician is writing documentation regarding a company's server farm. The technician needs to confirm the server name for all Linux servers. Which of the following commands should the technician run?
Question281: A user recently made changes to a PC that caused it to be unable to access websites by both FQDN and IP Local resources, such as the file server remain accessible. Which of the following settings did the user MOST likely misconfigure?
Question282: A coffee shop owner hired a network consultant to provide recommendations for installing a new wireless network. The coffee shop customers expect high speeds even when the network is congested. Which of the following standards should the consultant recommend?
Question283: A user tries to ping 192.168.1.100 from the command prompt on the 192.168.2.101 network but gets the following response: U.U.U.U. Which of the following needs to be configured for these networks to reach each other?
Question284: A technician receives feedback that some users are experiencing high amounts of jitter while using the wireless network. While troubleshooting the network, the technician uses the ping command with the IP address of the default gateway and verifies large variations in latency.
The technician thinks the issue may be interference from other networks and non-802.11 devices.
Which of the following tools should the technician use to troubleshoot the issue?
Question285: Which of the following topologies is designed to fully support applications hosted in on-premises data centers, public or private clouds, and SaaS services?
Question286: A network technician for a bank configured a WLAN that provides good coverage. Bank employees are now reporting Wi-Fi issues when the microwave in the lunch room area is used.
Which of the following frequencies should the technician use to minimize interference?
Question287: A network engineer wants to establish a site-o-site VPN tunnel using a protocol that allows for both data confidentially and authentication. Which of the following is the best choice?
Question288: Users have reported an issue connecting to a server over the network. A workstation was recently added to the network and configured with a shared USB printer. Which of the following is most likely causing the issue?
Question289: A recently constructed building makes use of glass and natural light. Users in the building are reporting poor cellular connectivity and speeds. Which of the following is MOST likely the cause?
Question290: A network administrator is creating a subnet for a remote office that has 53 network devices. An additional requirement is to use the most efficient subnet. Which of the following CIDR notations indicates the appropriate number of IP addresses with the LEAST amount of unused addresses?
Question291: There are two managed legacy switches running that cannot be replaced or upgraded. These switches do not support cryptographic functions, but they are password protected.
Which of the following should a network administrator configure to BEST prevent unauthorized access?
Question292: A technician needs to install a new wireless encryption system. They are evaluating the feasibility of implementing WPA. WPA increases protection over WEP by implementing which of the following?
Question293: A network administrator is assisting a user who is unable to access network services by using hostname on Host 1. Another user in the same office is able to access the network services with no issue on Host 2. The network administrator runs a command on the affected machine and the working machine and compares the following output:

Which of the follow should the network administrator change to restore connectivity?
Question294: Which of the following routing technologies uses a successor and a feasible successor?
Question295: A company's VoIP phone connection is cutting in and out. Which of the following should be configured to resolve this issue?
Question296: At the destination host, which of the following OSI model layers will discard a segment with a bad checksum in the UDP header?
Question297: A company wants to set up a backup data center that can become active during a disaster. The site needs to contain network equipment and connectivity. Which of the following strategies should the company employ?
Question298: A company streams video to multiple devices across a campus. When this happens, several users report a degradation of network performance. Which of the following would MOST likely address this issue?
Question299: Which of the following security controls indicates unauthorized hardware modifications?
Question300: Due to concerns around single points of failure, a company decided to add an additional WAN to the network. The company added a second MPLS vendor to the current MPLS WAN and deployed an additional WAN router at each site. Both MPLS providers use OSPF on the WAN network, and EIGRP is run internally. The first site to go live with the new WAN is successful, but when the second site is activated significant network issues occur. Which of the following is the MOST likely cause for the WAN instability?
Question301: A technician discovered that some information on the local database server was changed during a tile transfer to a remote server. Which of the following should concern the technician the MOST?
Question302: A local service provider connected 20 schools in a large city with a fiber-optic switched network.
Which of the following network types did the provider set up?
Question303: A company is utilizing multifactor authentication for data center access. Which of the following is the MOST effective security mechanism against physical intrusions due to stolen credentials?
Question304: On a network with redundant switches, a network administrator replaced one of the switches but was unable to get a connection with another switch. Which of the following should the administrator check after successfully testing the cable that was wired for TIA/EIA-568A on both ends?
Question305: Which of the Mowing architectures reduces network latency by enforcing a limit on the number of switching devices on the frame's path between any internal hosts?
Question306: An engineer is designing a network topology for a company that maintains a large on-premises private cloud. A design requirement mandates internet-facing hosts to be partitioned off from the internal LAN and internal server IP ranges. Which of the following defense strategies helps meet this requirement?
Question307: SIMULATION
A network technician was recently onboarded to a company. A manager has tasked the technician with documenting the network and has provided the technician with partial information from previous documentation.
INSTRUCTIONS
Click on each switch to perform a network discovery by entering commands into the terminal.
Type help in each terminal to view a list of available commands.
Fill in the missing information using the drop-down meus provided.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

Question308: Which of the following would be the BEST choice to connect branch sites to a main office securely?
Question309: Which of the following is most closely associated with the management plane?
Question310: Which of the following DHCP settings would be used to ensure a device gets the same IP address each time it is connected to the network?
Question311: A technician is connecting DSL for a new customer. After installing and connecting the on- premises equipment, the technician verifies DSL synchronization. When connecting to a workstation, however, the link LEDs on the workstation and modem do not light up. Which of the following should the technician perform during troubleshooting?
Question312: A new company recently moved into an empty office space. Within days, users in the next office began noticing increased latency and packet drops with their Wi-Fi-connected devices. Which of the following is the MOST likely reason for this issue?
Question313: Which of the following is considered a physical security detection device?
Question314: A network administrator is implementing an IPS on VLAN 1 and wants the IPS to learn what to prevent on its own. Which of the following would MOST likely be installed?
Question315: Which of the following would be used on a network to ensure access to resources if a critical host becomes unavailable?
Question316: DHCP uses which of the following ports by default?
Question317: While troubleshooting a network, a VoIP systems engineer discovers a significant inconsistency in the amount of time required for data to reach its destination and return. Which of the following terms BEST describes this issue?
Question318: Within the realm of network security, Zero Trust:
Question319: A technician troubleshoots a computer that has intermittent network connectivity and notices the termination point is loose. The technician also observes that the patch cable has already been replaced.
Which of the following should the technician do NEXT?
Question320: A network security engineer locates an unapproved wireless bridge connected to the corporate LAN that is broadcasting a hidden SSID, providing unauthenticated access to internal resources.
Which of the following types of attacks BEST describes this finding?
Question321: A network administrator is troubleshooting a connection to a remote site. The administrator runs a command and sees the following output:

Which of the following is the cause of the connection issue?
Question322: Which of the following technologies prevents network collisions to maximize safe delivery of network data?
Question323: A number of remote users have reported being unable to securely log on to the company's network. Upon speaking with some of the employees experiencing the issue, no changes were made to their configurations, usernames, or passwords. The technician establishes a theory that one of the VPN concentrators may be down. Which of the following should the technician do NEXT?
Question324: 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?
Question325: The process of attempting to exploit a weakness in a network after being given permission by the company is known as:
Question326: If a technician does not assign an IP address to a device, the DHCP server will assign the device
Question327: Which of the following BEST describes a North-South traffic flow?
Question328: Which of the following commands can be used to display the IP address, subnet address, gateway address, and DNS address on a Windows computer?
Question329: Which of the following describes the BEST device to configure as a DHCP relay?
Question330: A security engineer wants to provide a secure, dedicated, alternate access method into an IT network infrastructure to administer connected devices and IT assets. Which of the following is the engineer most likely to implement?
Question331: Which of the following documents would be used to define uptime commitments from a provider, along with details on measurement and enforcement?
Question332: An organization has a factory automation solution that requires accurate timing between devices.
Which of the following should the network administrator implement?
Question333: A network technician needs to correlate security events to analyze a suspected intrusion.
Which of the following should the technician use?
Question334: Which of the following protocols would allow a secure connection to a Linux-based system?
Question335: During the security audit of a financial firm the Chief Executive Officer (CEO) questions why there are three employees who perform very distinct functions on the server. There is an administrator for creating users another for assigning the users lo groups and a third who is the only administrator to perform file rights assignment.
Which of the following mitigation techniques is being applied'
Question336: Users at a company will require more bandwidth on their wireless laptops because of a migration to the cloud. The company's current infrastructure contains four 802.11n access points, which are creating a bottleneck. Hardware upgrades are not an option. Which of the following configurations will provide a solution?
Question337: A network administrator is troubleshooting a connectivity performance issue. As part of the troubleshooting process, the administrator performs a traceroute from the client to the server, and also from the server to the client. While comparing the outputs, the administrator notes they show different hops between the hosts. Which of the following BEST explains these findings?
Question338: A technician is contracted to install a redundant cluster of devices from the ISP In case of a hardware failure within the network. Which of the following would provide the BEST redundant solution in Layer 2 devices?
Question339: Which of the following ports is a secure protocol?
Question340: A network administrator is setting up a new phone system and needs to define the location where VoIP phones can download configuration files. Which of the following DHCP services can be used to accomplish this task?
Question341: An organization set up its offices so that a desktop is connected to the network through a VoIP phone. The VoIP vendor requested that voice traffic be segmented separately from non-voice traffic. Which of the following would allow the organization to configure multiple devices with network isolation on a single switch port?
Question342: An organization would like to implement a disaster recovery strategy that does not require a facility agreement or idle hardware. Which of the following strategies MOST likely meets the organization's requirements?
Question343: Which of the following BEST prevents unauthorized access to spare workstation inventory?
Question344: Which of the following is used to provide networking capability for VMs at Layer 2 of the OSI model?
Question345: Which of the following is the reason why a company's network may contain a DHCP server?
Question346: Which of the following attacks, if successful, would provide a malicious user who is connected to an isolated guest network access to the corporate network?
Question347: A retail store recently acquired the store next door. The owners would like this store to support Gigabit Ethernet for up to 328ft (100m). Which of the following is the MOST cost-effective solution?
Question348: Which of the following passwords would provide the best defense against a brute-force attack?
Question349: Which of the following is required for hosts to receive DHCP addresses from a server that is located on a different subnet?
Question350: A technician is configuring a network switch to be used in a publicly accessible location. Which of the following should the technician configure on the switch to prevent unintended connections?
Question351: A network technician is configuring a wireless access point and wants to only allow company- owned devices to associate with the network. The access point uses PSKs, and a network authentication system does not exist on the network. Which of the following should the technician implement?
Question352: In which of the following scenarios should a technician use a cross-over cable to provide connectivity?
Question353: An AP uses a 98ft (30m) Cat 6 cable to connect to an access switch. The cable is wired through a duct close to a three-phase motor installation. Anytime the three-phase is turned on, all users connected to the switch experience high latency on the network. Which of the following is MOST likely the cause of the issue?
Question354: Two remote offices need to be connected securely over an untrustworthy MAN. Each office needs to access network shares at the other site. Which of the following will BEST provide this functionality?
Question355: A network consultant is installing a new wireless network with the following specifications:
- 5GHz
- 1,300Mbps
- 20/40/80MHZ
Which of the following standards should the network consultant use?
Question356: A customer reports there is no access to resources following the replacement of switches. A technician goes to the site to examine the configuration and discovers redundant links between two switches. Which of the following is the reason the network is not functional?
Question357: An IT administrator needs to connect older smart-plug devices to the network. The administrator wants to prevent future issues from occurring by using an 802.11 standard that only operates on the 2.4GHz frequency. Which of the following standards should the administrator choose?
Question358: An administrator is investigating reports of network slowness in a building. While looking at the uplink interface statistics in the switch's CLI, the administrator discovers the uplink is at 100% utilization. However, the administrator is unsure how to identify what traffic is causing the saturation. Which of the following tools should the administrator utilize to identify the source and destination addresses of the traffic?
Question359: Which of the following is conducted frequently to maintain an updated list of a system's weaknesses?
Question360: A technician is troubleshooting a computer issue for a user who works in a new annex of an office building. The user is reporting slow speeds and intermittent connectivity. The computer is connected via a Cat 6 cable to a distribution switch that is 492ft (150m) away. Which of the following should the technician implement to correct the issue?
Question361: A network administrator is investigating reports about network performance and finds high utilization on a switch uplink. The administrator is unsure whether this is an anomaly or normal behavior that will require an upgrade to resolve. Which of the following should the administrator reference to gain historical perspective?
Question362: A network administrator is setting up a web-based application for a company. The application needs to be continually accessible to all end users. Which of the following would best ensure this need is fulfilled?
Question363: A technician is installing a cable modem in a SOHO. Which of the following cable types will the technician MOST likely use to connect a modem to the ISP?
Question364: A company has been given a Class C address to be utilized for all devices. The company has several subnets and the largest subnet has 15 hosts. Which of the following represents the MINIMUM CIDR notation of this subnet mask?
Question365: A technician is installing an 802.11n network. The technician is using a laptop that can connect at a maximum speed of 11 Mbps. The technician has configured the 802.11n network correctly but thinks it could be the type of WLAN card used on the laptop. Which of the following wireless standards is the WLAN card MOST likely using?
Question366: Which of the following types of connections would need to be set up to provide access from the internal network to an external network so multiple satellite offices can communicate securely using various ports and protocols?
Question367: A network technician is installing a wireless network in an office building. After performing a site survey, the technician determines the area is very saturated on the 2.4GHz and the 5GHz bands.
Which of the following wireless standards should the network technician implement?
Question368: Which of the following is the first step to troubleshoot a network issue?
Question369: Which of the following architectures is used for FTP?
Question370: A customer wants to segregate the traffic between guests on a hypervisor. Which of the following does a technician need to configure to meet the requirement?
Question371: A network administrator is investigating a network connectivity issue. The administrator runs a command to view the status of the network cards. The administrator receives the following output:
RX packets:45332 errors: 45332 dropped:0 overruns 0 frame:0
Which of the following should the administrator troubleshoot based on the output?
Question372: A technician was cleaning a storage closet and found a box of transceivers labeled 8Gbps. Which of the following protocols uses those transceivers?
Question373: Staff members notify a network technician that the wireless network is not working as expected and connectivity to wireless devices is intermittent. Some devices connect but then disconnect.
The technician reviews the logs on the WAP controller and identifies thousands of connection attempts from unrecognized devices within a short amount of time. Which of the following is the most likely reason for the wireless network connectivity issue?
Question374: Hubs are differentiated from switches in that between the two, only hubs have:
Question375: A network technician has multimode fiber optic cable available in an existing IDF. Which of the following Ethernet standards should the technician use to connect the network switch to the existing fiber?
Question376: Which of the following is a security flaw in an application or network?
Question377: A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light. According to troubleshooting methodology, this is an example of:
Question378: Users are connected to a switch on an Ethernet interface of a campus router. The service provider is connected to the serial 1 interface on the router. The output of the interfaces is:
E1/0: 192.168.8.1/24
S1: 192.168.7.252/30
After router and device configurations are applied, internet access is not possible. Which of the following is the most likely cause?
Question379: An organization is interested in purchasing a backup solution that supports the organization's goals. Which of the following concepts would specify the maximum duration that a given service can be down before impacting operations?
Question380: Which of the following types of devices can provide content filtering and threat protection, and manage multiple IPSec site-to-site connections?
Question381: Which of the following cloud deployment models involves servers that are hosted at a company's property and are only used by that company?
Question382: After a critical power issue, the network team was not receiving UPS status notifications. The network team would like to be alerted on these status changes.
Which of the following would be BEST to use for these notifications?
Question383: Which of the following antenna types would most likely be used in a network repeater that is housed in a central point in a home office?
Question384: A network administrator is trying to create a subnet, which is the most efficient size possible, for
31 laptops. Which of the following network subnets would be best in this situation?
Question385: A network requirement calls for segmenting departments into different networks. The campus network is set up with users of each department in multiple buildings. Which of the following should be configured to keep the design simple and efficient?
Question386: Which of the following is associated with the session layer of the OSI model?
Question387: Which of the following does OSPF use to communicate routing updates?
Question388: Which of the following copper wire standards utilizes four pairs of wires to achieve Gigabit Ethernet speeds?
Question389: Which of the following common agreements would a company most likely have an employee sign as a condition of employment?
Question390: A security vendor needs to add a note to the DNS to validate the ownership of a company domain before services begin. Which of the following records did the security company MOST likely ask the company to configure?
Question391: Which of the following STP states indicates an inactivated port due to a loop?
Question392: Which of the following cable types is employed to protect against interference in the physical environment or when security is a concern?
Question393: A network technician receives a support ticket about an employee who has misplaced a company-owned cell phone that contains private company information.
Which of the following actions should the network technician take to prevent data loss?
Question394: A technician finds that the network card is no longer functioning. At which of the following OSI layers is the problem occurring?
Question395: In a small office environment, one computer is set up to provide Internet access to three other computers that are not interconnected. This is an example of which of the following topology types?
Question396: A customer calls the help desk to report that users are unable to access any network resources.
The issue started earlier in the day when an employee rearranged the wiring closet. A technician goes to the site but does not observe any obvious damage. The statistics output on the switch indicates high CPU usage, and all the lights on the switch are blinking rapidly in unison. Which of the following is the MOST likely explanation for these symptoms?
Question397: A company joins a bank's financial network and establishes a connection to the clearinghouse servers in the range 192 168.124.0/27. An IT technician then realizes the range exists within the VM pool at the data center. Which of the following is the BEST way for the technician to connect to the bank's servers?
Question398: An IT technician suspects a break in one of the uplinks that provides connectivity to the core switch. Which of the following command-line tools should the technician use to determine where the incident is occurring?
Question399: Which of the following cable types would MOST likely be used to provide high-speed network connectivity between nearby buildings?
Question400: A technician needs to find the MAC address of a connecting router. Which of the following commands should the technician use?
Question401: 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?
Question402: A help desk supervisor reviews the following excerpt of a call transcript:

Which of the following was the agent trying to accomplish with this exchange?
Question403: Which of the following will reduce routing table lookups by performing packet forwarding decisions independently of the network layer header?
Question404: A network engineer has added a new route on a border router and is trying to determine if traffic is using the new route. Which of the following commands should the engineer use?
Question405: A corporation is looking for a method to secure all traffic between a branch office and its data center in order to provide a zero-touch experience for all staff members who work there. Which of the following would BEST meet this requirement?
Question406: Network connectivity in an extensive forest reserve was achieved using fiber optics. A network fault was detected, and now the repair team needs to check the integrity of the fiber cable. Which of the following actions can reduce repair time?
Question407: An on-call network technician receives an automated email alert stating that a power supply on a firewall has just powered down. Which of the following protocols would BEST allow for this level of detailed device monitoring?
Question408: A network administrator is setting up a WAP and wants to disable the ability of gaining access from the parking garage. Which of the following should the network administrator review?
Question409: A network administrator would like to enable NetFlow on a Layer 3 switch but is concerned about how the feature may impact the switch. Which of the following metrics should the administrator graph using SNMP to BEST measure the feature's impact?
Question410: A homeowner frequently has guests visit and would like to install a wireless router for their personal devices. The homeowner wants to ensure that the wireless router is compatible with the widest range of devices possible. Which of the following standards should a technician suggest?
Question411: A technician is setting up a new router, configuring ports, and allowing access to the Internet.
However, none of the users connected to this new router are able to connect to the Internet.
Which of the following does the technician need to configure?
Question412: A network technician is responding to an issue with a local company. To which of the following documents should the network technician refer to determine the scope of the issue?
Question413: Which of the following cables supports 10Gbps throughput and 100 meters as the maximum distance?
Question414: A network is secured and is only accessible via TLS and IPSec VPNs. Which of the following would need to be present to allow a user to access network resources on a laptop without logging in to the VPN application?
Question415: A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified) cable to create a crossover connection that is used to connect switches.
Which of the following would address this issue by allowing the use of the original cable?