An administrator is redesigning a company’s network and wants to reduce the amount of hardware needed. Currently, all VLAN routing goes out a single switch interface to a router. Which of the following would reduce the number of devices in this configuration? (ID-NTIA-250)

Which of the following is the SHORTEST way to write 2001:0000:0d58:0000:0000:0095:7565:0001 in proper IPv6 shorthand? (ID-NTIA-331)

A network technician works in a large environment with several thousand users. Due to the needs of the organization, the network manager has asked the technician to design a solution that accommodates the data needs of all the users, while keeping all data on-site. Which of the following solutions should the technician implement? (ID-NTIA-254)

What is the fastest way for validating a digital certificate? (ID-NTIA-230)

A technician is troubleshooting intermittent connectivity on a line-of-sight wireless bridge. Which of the following tools should the technician use to determine the cause of the packet loss? (ID-NTIA-397)

Which utility is shown in the following figure (portions of which have been obscured for this question)? (ID-NTIA-375)

A WAP has been dropping off the network sporadically and reconnecting shortly thereafter. The Cat5 wire connecting the access point is a long run of 265ft (81m) and goes through the business area and the mechanical room. Which of the following should the technician do to fix the AP connectivity issue? (ID-NTIA-314)

A technician discovered a company computer had a virus but was unable to remove it. The technician decided to erase the hard drive to eliminate the threat. Which of the following policies did the technician violate? (ID-NTIA-258)

After a server outage, a technician discovers that a physically damaged fiber cable appears to be the problem. After replacing the cable, the server will still not connect to the network. Upon inspecting the cable at the server end, the technician discovers light can be seen through one of the two fiber strands. Which of the following should the technician do first to reconnect the server to the network? (ID-NTIA-344)

Log files show the admin user has logged into a public-facing device on several occasions in the evening. None of the technicians admit to doing any after-hours work, and the password has been changed several times but failed to prevent the logins. Which of the following should be the NEXT step to attempt to harden the device? (ID-NTIA-285)

Which of the following datacenter security methodologies is most likely to remain usable during a company-wide network outage? (ID-NTIA-372)

A network technician has been asked to install an additional switch in an IDF, but all of the single-mode fiber is in use between the IDF and MDF. The technician has deployed new transceivers that allow for the use of a single fiber stand, providing the additional fiber needed for the new switch. Which of the following has the technician deployed? (ID-NTIA-266)

Which of the following protocols are included in a Fibre Channel packet? (ID-NTIA-316)

The security manager reports that individual systems involved in policy or security violations or incidents cannot be located quickly. The security manager notices the hostnames all appear to be randomly generated characters. Which of the following would best assist the security manager in identifying systems involved in security incidents? (ID-NTIA-352)

When speaking with a client, an employee realizes a proposed solution may contain a specific cryptographic technology that is prohibited for non-domestic use. Which of the following documents or regulations should be consulted for confirmation? (ID-NTIA-306)

A customer has submitted a request for a new wireless connection in the main office so visitors can reach the Internet to check their email. The customer is concerned about security and does not want visitors to be able to access the internal finance server. Which of the following BEST describes the correct configuration? (ID-NTIA-301)

A network technician arrives at a remote office and is unable to connect a laptop to corporate resources using the wireless network. After checking the IP address, the network technician notices the assigned IP address does not belong to the corporate network IP scheme. Which of the following has the network technician discovered? (ID-NTIA-277)

In which of the following ways does a DDoS attack differ from a spoofing attack? (ID-NTIA-355)

A network technician has deployed a new 802.11ac network and discovers some of the legacy POS equipment only supports WPA and 802.11a. Which of the following is the most secure method of connecting all devices while avoiding a performance impact to modern wireless devices? (ID-NTIA-283)

A network technician is setting up a WiFi network in an apartment complex for seniors. When trying to determine the best channel, which of the following is the best tool to use? (ID-NTIA-209)

A network technician needs to configure a device with an embedded OS so it can be connected to a wireless handheld scanner. Which of the following technologies should be configured on the OS to create the wireless connection? (ID-NTIA-393)

An office network consists of one two-port router connected to a 12-port switch. A four-port hub is also connected to the switch. On this particular network, which of the following is the number of collision domains that exist? (ID-NTIA-342)

A large company uses an AAA server to manage network device access. The engineers can use their domain credentials to access all other servers. Currently, the network engineers cannot access the AAA server using domain credentials, but they can access it using a local account. Which of the following should the engineers update? (ID-NTIA-267)

A user reports difficulties connecting a PC to a wired network. The PC connects to an IP phone, which is working correctly. A network technician can verify that other devices successfully connect to the phone. At which of the following layers of the OSI model is the problem MOST likely located? (ID-NTIA-367)

A network administrator is configuring the 172.16.40.0/22 network for a new building. Which of the following is the number of hosts that will be supported on this network? (ID-NTIA-274)

Which of the following is the most secure type of remote administration? (ID-NTIA-295)

Jessica, a network technician, wants to locally back up several router and switch configurations. He wants to store them on a server that can be accessed easily for recovery without authentication. Which of the following servers should Jessica use? (ID-NTIA-391)

A technician is setting up a direct connection between two older PCs so they can communicate but not be on the corporate network. The technician does not have access to a spare switch but does have spare Cat 6 cables, RJ-45 plugs, and a crimping tool. The technician cuts off one end of the cable. Which of the following should the technician do to make a crossover cable before crimping the new plug? (ID-NTIA-336)

A network technician is building a network for a small office. The office currently has cable TV and now requires access to the Internet without adding any cabling other than what is already in place. Which of the following solutions should the technician install to meet these requirements? (ID-NTIA-362)

Which of the following solution sets properly addresses all of the identified requirements below? (ID-NTIA-221)
-WLAN architecture supporting speeds in excess of 150 Mbps
-Client less remote network access
-Port-based network access control

An office user cannot access local network drives but has full access to the Internet. A technician troubleshoots the issue and observes the following output of the ipconfig: (ID-NTIA-353)

Which of the following would MOST likely allow the network drives to be accessed?

Which of the following is created on a 48-port switch with five active VLANs? (ID-NTIA-309)

Which of the following allow for higher fault tolerance, availability, and performance across multiple systems? Choose all the correct answers. (ID-NTIA-280)

A user checks an IP address using an external website. The address is different than the one the user sees when opening a command prompt and typing in ipconfig/all. The user does not understand why the two tools show different IP addresses. This is BEST explained by the interworking of ___________. (ID-NTIA-217)

A technician notices clients are receiving a 169.254.x.x IP address following the upgrade of a server. Which of the following ports should the technician check on the local server firewall? (ID-NTIA-371)

Client PCs are unable to receive addressing information from a newly configured interface on a router. Which of the following should be added to allow the clients to connect? (ID-NTIA-338)

Which of the following WAN technologies utilizes the concept of virtual circuits and point-multipoint connections? (ID-NTIA-365)

The IEEE 802.11g standard is backwards compatible with which of the following? (ID-NTIA-236)

Sanuja has a separate guest network at his home with the SSID SanujaGuest. When a visitor connects to SanujaGuest, a web page is presented to the user asking for login credentials. What type of WiFi security is most likley being used? (ID-NTIA-364)

Which of the following type of technique is used to block access to websites and web-based advertisements by providing a false result of a requested domain name? (ID-NTIA-202)

Which of the following BEST describes the functionality of the root guard feature on a switch? (ID-NTIA-261)

A technician logs onto a system using Telnet because SSH is unavailable. SSH is enabled on the target device, and access is allowed from all subnets. The technician discovers a critical step was missed. Which of the following would allow SSH to function properly? (ID-NTIA-340)

Which of the following can be used to prevent unauthorized employees from entering restricted areas? (ID-NTIA-253)

A network manager is concerned about visitors taking advantage of open cubicles at a company’s facilities. Which of the following would mitigate this issue? (ID-NTIA-246)

A network technician is troubleshooting an issue routing TCP packets to an email server. At which of the following OSI layers is the issue occurring? (ID-NTIA-256)

Which of the following communication media can carry many voice, data, and video channels simultaneously over multiple frequencies? (ID-NTIA-357)

An ISP technician gets a call from a business that just changed equipment but can no longer connect to the Internet. The technician checks the ARP table on the ISP switch, and there is no corresponding MAC address present. Instead, the entry is "Incomplete". Which of the following could cause this condition? (ID-NTIA-348)

A network administrator wants to increase the confidentiality of the system by hardening the authentication process. Currently, the users log in using usernames and passwords to access the system. Which of the following will increase the authentication factor to three? (ID-NTIA-361)

What is the name of the tool shown in the following figure? (ID-NTIA-319)

Image Credits: https://www.homedepot.com/p/ Ideal-Punchdown-Tool- with-110-and-66- Blades-35-485/ 203761571

Which of the following network topologies typically has all devices on a network directly connected to every other network device? (ID-NTIA-206)

Which of the following protocols is used by Active Directory for authentication? (ID-NTIA-289)

Which of the answers listed below refer to iptables? Choose all correct answers. (ID-NTIA-329)

Which of the following should be configured to allow for IP-to-name resolutions? (ID-NTIA-396)

A network technician sets up a new schedule on the backup server. Management has informed the technician that a full backup does not need to be completed every day. The technician sets up weekly full backups. Which of the following should the technician configure for the remaining days to MINIMIZE the daily backup size? (ID-NTIA-207)

A network administrator needs to transmit traffic to geographically diverse sites to improve performance. Which of the following devices would BEST direct traffic to the remote sites? (ID-NTIA-370)

A network technician wants to remotely and securely access the desktop of a Linux workstation. The desktop is running remote control software without encryption. Which of the following should the technician use to secure the connection? (ID-NTIA-343)

Which of the answers listed below refers to a possible symptom of exhausted DHCP scope? (ID-NTIA-231)

Which of the answers listed below refers to a secure replacement for Telnet? (ID-NTIA-226)

A technician has been asked to diagnose problems with DHCP addressing on a VLAN. The DHCP server responds to pings from the technician’s machine. Which of the following should the technician use to help diagnose the problem? (ID-NTIA-281)

NTP is used for which of the following function? (ID-NTIA-240)

A network technician is considering opening ports on the firewall for an upcoming VoIP PBX implementation. Which of the following protocols is the technician most likely to consider? Choose three answers. (ID-NTIA-335)

Which of the following explains why splitting a large switched Ethernet LAN into two LANs by adding a router can help to alleviate traffic congestion and improve performance? Choose all correct answers. (ID-NTIA-326)

Which of the cabling types listed below is the most susceptible to EMI/RFI? (ID-NTIA-239)

A network printer error report indicates that it may have an expired IP address. A failure with which of the following will cause this issue? (ID-NTIA-232)

A network technician is designing a network cable upgrade in a newly acquired office space. The IT manager wants to install a standardized twisted pair cable solution that supports speeds up to 1 Gbps and terminates with a standard RJ45 connector. Which of the following cable types should the technician suggest? (ID-NTIA-204)

A computer lab on a campus network was recently reconfigured using recycled network cables. One of the 24 computers in the lab is unable to connect to the network after the upgrade. A network technician successfully uses the cable in question to connect directly to another computer. Which of the following is most likely the issue with the cable? (ID-NTIA-345)

A Chief Information Security Officer (CISO) has decided to implement a secure and user-friendly way to connect to the corporate wireless network. Each workstation will be authenticated individually using a unique certificate that will be deployed to the workstation by the organization’s certificate authority. Which of the following authentication methods would meet this requirement? (ID-NTIA-252)

A home user is unable to get to the Internet from a workstation that is connected to a wireless network. When reviewing the results of the ipconfig command, the user wants to verify the default gateway is correct. Which of the following devices should be the gateway? (ID-NTIA-398)

A network engineer for a manufacturing company is implementing a wireless network that provides reliable coverage throughout the facility. There are several large, electric, motorized machines installed on the shop floor for automating the manufacturing process. These machines are known to be significant sources of RF interference. Which of the following frequencies should the wireless network use to minimize this interference? (ID-NTIA-311)

A network administrator wishes to ensure there are no unnecessary open communication paths into a server. Using a port scanner, the administrator finds that ports are reported as closed. Which of the following best explains this response? (ID-NTIA-366)

A technician needs to add ten additional Ethernet ports to a small office network. A new basic function switch is added. Hosts connected to the new switch are unable to see any computers on the network other than those connected to the new switch. Which of the following should the technician perform to ensure the hosts on the new switch can communicate with the existing network? (ID-NTIA-297)

A shop owner wants to ensure that only a specified group of devices can access the wireless network. Which of the following methodologies will best ensure unauthorized devices cannot consume the shop owner’s limited Internet bandwidth? (ID-NTIA-268)

Which of the following is the correct port number for NTP? (ID-NTIA-220)

A small company is requesting a quote to refresh its wireless network. The company currently runs 60 autonomous APs and has plans to increase wireless density by 50% in the near future. The requirements state that the chosen solution should significantly decrease the management overhead of the current wireless network. Which of the following should the vendors recommend in response to the quote request? (ID-NTIA-243)

A company wishes to allow employees with company-owned mobile devices to connect automatically to the corporate wireless network upon entering the facility. Which of the following would best accomplish this objective? (ID-NTIA-312)

A network administrator is adding a new WAN circuit from the ISP to a new building. In which of the following locations would the network administrator find the utility entry point? (ID-NTIA-260)

Which of the following technologies is used to attach multiple guest operating systems to a single physical network port? (ID-NTIA-307)

An assistant systems analyst reports the following findings of an investigation of slow Internet connections in a remote office to the senior systems analyst: (ID-NTIA-369)

Which of the following devices is causing the issue?

A forensic first responder arrives at the scene where an employee is suspected to have committed a computer-based crime. Which of the following should the first responder do first? (ID-NTIA-359)

Which of the following is used to define the duration during which a client can use an IP address? (ID-NTIA-244)

A network administrator wants to ensure all traffic is inspected and abides by the AUP, and that malicious traffic is stopped. Which of the following features should be enabled on a firewall to meet this requirement? (ID-NTIA-265)

A company is experiencing exponential growth and has hired many new employees. New users are reporting they cannot log into their systems, even though they are on the same network. The technician can see physical connectivity to the network switch along with their MAC addresses. Which of the following should the technician check next? (ID-NTIA-304)

A company is expanding and building a new remote branch office. Marketing will need 78 IP addresses, finance will need 150 IP addresses, legal will need 39 IP addresses, and R&D will need 12 IP addresses. The network administrator gives the technician a network of 172.16.48.0/23 and wants the technician to use VLSM for the design. Which of the following are possible solutions? Choose three answers. (ID-NTIA-211)

A department is reporting network issues. Users can ping each other and the switch, but not the default gateway. When looking at a wiring diagram and a physical blueprint, a technician notices the 1000BaseLX SFP connects to a distribution switch via a cable that runs behind a large industrial refrigerator. The technician also notices both switches have been worked on recently. Which of the following is most likely the issue? (ID-NTIA-269)

To replace a defective UPS, the network administrator must take the switch offline. The administrator wants to be able to perform maintenance UPS in the future without affecting the availability of the attached switch. Which of the following would best allow this to happen? (ID-NTIA-358)

A network engineer is working on a network connectivity problem between a site in Calgary and a site in New York. The connection went down overnight, and the engineer is unsure where the connection failed. The technician is logged into the primary switch in the customer’s network, which is also the company’s connection to the WAN. Which of the following tools should the technician use to determine the last available network hop? (ID-NTIA-247)

Which of the following protocol standards defines a layered implementation that does not correspond to the layers of the Open Systems Interconnection (OSI) model? (ID-NTIA-317)

You are an IT consultant for a small business where maintaining physical security is difficult. Implementing which of the following standards would best help to prevent unauthorized connections to the wired network? (ID-NTIA-214)

A company has decided to allow certain users to work remotely by opening up a VPN connection through the firewall. The security policy has been updated to allow VPN connections only from certain users and to specific areas on the network. Along with configuring the correct policies on the firewall, which of the following also needs to be configured on users’ mobile devices to allow these VPN connections? (ID-NTIA-248)

Which of the following technologies is used when multiple Ethernet adapters work to increase speed and fault tolerance? (ID-NTIA-382)

Which of the following technologies should be used in high-throughput network to reduce network overhead? (ID-NTIA-299)

A system administrator receives reports from users of odd behavior in regard to a recently installed server. While reviewing the server network configuration, the system administrator does both a forward and a reverse DNS lookup on the host, along with the network adapter configuration. Which of the following is the problem identified in the output below? (ID-NTIA-374)

A network technician is installing and configuring a new router for the sales department. Once the task is complete, which of the following needs to be done to record the change the technician is masking to the company network? (ID-NTIA-303)

A network engineer is designing a new network for a remote site. The remote site consists of ten desktop computers, ten VoIP phones, and two network printers. In addition, two of the desktop computers at the remote site will be used by managers who should be on a separate network from the other eight computers. Which of the following represents the BEST configuration for the remote site? (ID-NTIA-334)

Which of the following storage network technologies has the HIGHEST throughput? (ID-NTIA-275)

Which of the following policies prohibits a network administrator from using spare servers in the datacenter to mine bitcoins? (ID-NTIA-383)

A vendor is installing an Ethernet network in a new hospital wing. The cabling is primarily run above the celling grid near air conditioning ducts and sprinkler pipes. Which of the following cable types is required for this installation? (ID-NTIA-255)

Which of the following would require troubleshooting if a network connectivity problem originates from mismatched transceiver types? (ID-NTIA-237)

A network technician is setting up the wireless network for a company’s new branch office. After doing a site survey, the technician discovers there is a lot of interference from 2.4GHz devices at the location on channel 11. Which of the following would be the BEST channel on which to set up the WAPs? (ID-NTIA-284)

An employee reports an error when visiting a website using SSL, and a message is displayed warning of an invalid certificate. Which of the following could be occurring? (ID-NTIA-320)

A technician is installing two new servers that collect logs. After installing the servers, the technician reviews the logical output from various commands. Which of the following should be included in a logical network diagram? (ID-NTIA-379)

A bookstore uses a Faraday cage to comply with credit card regulations. Customers report that their cellular phones have no signal when they are in the bookstore. Which of the following is the most likely cause? (ID-NTIA-251)

An employee, who using a laptop connected to the wireless network, is able to connect to the Internet but not to internal company resources. A systems administrator reviews the following information from the laptop: (ID-NTIA-300)

IP: 192.168.1.100
Mask: 255.255.255.0
Router: 192.168.1.1

The administrator was expecting to see a network address within 10.100.0.0/23, which is consistent with the company’s wireless network. The network administrator verifies the company’s wireless network is configured and working properly. Which of the following is the MOST likely cause of this issue?

A technician is investigating an issue related to a single host that is unable to access the Internet. The technician records the following information: Host IP 169.254.1.10. The network IP address range on the DHCP server is 10.10.5.2-10.10.5.250 with a default gateway 10.10.5.1 and a DNS of 8.8.8.8. Which of the following should the technician perform to troubleshoot the issue? (ID-NTIA-279)

When you accessed this website, https://sanuja.com is most likely using which port number on its the webserver? (ID-NTIA-263)

Which of the following tools would be of help in troubleshooting wireless signal loss and low wireless network signal coverage? (ID-NTIA-235)

Users have been experiencing slow network response times, and management has asked the network technician to provide evidence of network improvement. After optimizing the network, which of the following would be required? (ID-NTIA-346)

A network technician is creating a new subnet for 488 host machines. The technician is told to use a class B address scheme when making the subnet and is instructed to leave as much room as possible for additional subnets of the same size. Which of the following subnets would fulfill these requirements? (ID-NTIA-354)

A systems administrator has recently purchased and installed a large electronic signage screen for the company's parking garage. The screen's management software was installed on a server with public IP address to allow remote management. The systems administrator is now troubleshooting an issue with the screen displaying unknown, random, and inappropriate messages. Which of the following is most effective in resolving this issue? (ID-NTIA-349)

Which of the following is used to classify network data for the purpose of providing QoS? (ID-NTIA-223)

A network engineer is trying to determine where to place a firewall based on the flow of traffic. Which of the following types of documentation would assist the engineer in doing this? (ID-NTIA-293)

A network technician receives a trouble ticket and speaks to the user who is experiencing the issues with the application. Which of the following should the technician perform next? (ID-NTIA-241)

A wireless access point that was working in a large warehouse last week is now offline. The technician observes there is no power to the device. The technician verifies PoE is working on the switchport, and then confirms the wireless access point is still not powering up. Which of the following is the MOST likely issue? (ID-NTIA-294)

Which of the following physical security controls is most likely to be susceptible to a false positive? (ID-NTIA-368)

A network technician has created a network that consists of a router, a firewall, a switch, and several PCs. Which of the following physical network topologies was created? (ID-NTIA-347)

Which of the following answers refers to a system containing mappings of domain names to various types of data, such as numerical IP addresses? (ID-NTIA-225)

A junior network technician receives a help desk ticket from an end-user who is having trouble accessing a web application that was working the previous day. After talking with the end-user and gathering information about the issue, which of the following would be the most likely course of action for the technician to perform next? (ID-NTIA-378)

A network administrator is installing a campus network of two routers, 24 switches, 76 APs, and 492 VoIP phone sets. Which of the following additional devices should the administrator install to help manage this network? (ID-NTIA-385)

An IT technician at a university was told to block all students from accessing the wireless network in the examination building. Which of the following would be the best method to prevent students from accessing the wireless network while in the examination building? (ID-NTIA-208)

A user calls the help desk for assistance with setting up a new SOHO router. The user has three employees who all have laptops that need to connect to the wireless network. The users need to have firewall rules allowing access to an internal server, but cannot be configured with static IP addresses. Which of the following BEST describes what the technician should implement? (ID-NTIA-399)

Which of the following is the number of broadcast domain(s) that are created when using an unmanaged 12-port switch? (ID-NTIA-222)

A type of protocol used in network management systems for monitoring network-attached devices is called _________. (ID-NTIA-229)

Which of the following is the physical location where the customer-premise equipment comes together with the ISP or third-party telecommunications equipment? (ID-NTIA-287)

A university has a lecture hall containing 100 students. Currently, the lecture hall has two 802.11ac wireless access points, which can accommodate up to 50 devices each. Several students report they are unable to connect devices to the wireless network. Which of the following is most likely the issue? (ID-NTIA-315)

Which user has requested the performance monitoring in the following figure (click on figure to enlarge)? (ID-NTIA-321)

A technician is sent to troubleshoot a faulty network connection. The technician tests the cable, and data passes through successfully. No changes were made in the environment, however, when a network device is connected to the switch using the cable, the switchport will not light up. Which of the following should the technician attempt next? (ID-NTIA-324)

Sanuja wants to set an IP address to a specific MAC address on a host machine. Which of the following commands should he use? (ID-NTIA-205)

A network technician does not have access to the GUI of a server and needs to adjust some network properties. Using the following command, what is this the technician attempting to alter? (ID-NTIA-305)

route add 0.0.0.0 mask 0.0.0.0 192.169.1.222 metric 1

A corporate manager says wireless phones do not work properly inside the main building. After a troubleshooting process, the network administrator detects that the voice packets are arriving on the wireless phones with different delay times. Which of the following performance issues is the company facing? (ID-NTIA-308)

A new technician is connecting an access switch to a distribution switch uplink in a datacenter using fiber cables. Which of the following are transceivers the technician should use to perform this job? Select all correct answers. (ID-NTIA-380)

A company has hundreds of nodes on a single subnet and has decided to implement VLANs. Which of the following BEST describes the benefit of this approach? (ID-NTIA-218)

An analyst is developing a proof of concept of a wireless-based attack as part of a penetration test against an organization's network. As part of the attack, the analyst launches a fake access point matching the SSID of the organization's guest access network. When a user connects to the fake access point, the analyst allows the traffic to flow through the access point to the legitimate site while the data traversing the network is logged for latest analysis and exploitation. Which of the following attacks has the analyst successfully performed in this scenario? (ID-NTIA-360)

A user believes a work email account has been compromised. A technician discovers that an email seeming to be from the user’s bank shares the same origin IP address as the last login to the email account. Which of the following types of attack is described in this scenario? (ID-NTIA-292)

At which of the following layers of the OSI model does compression occur? (ID-NTIA-273)

Based on networks 10.8.16.0/22 and 10.8.31.0/21, which of the following is the BEST summarized CIDR notation? (ID-NTIA-337)

Which of the following is a type of Out of Band Access; also known as out-of-band management? (ID-NTIA-216)

Employees want the ability to use personal devices on the guest network while working out at the company gym. In order to meet the request, which of the following policies requires employee adherence? (ID-NTIA-373)

A network administrator would like to collect information from several networking devices using SNMP. Which of the following SNMP options should a network administrator use to ensure the data transferred is confidential? (ID-NTIA-351)

Which of the following operate only within the UDP protocol? (ID-NTIA-322)

When configuring a new switch in a packet-switched network, which of the following helps protect against network loops? (ID-NTIA-395)

A network admin can ping remote host by its IP address, but not by FQDN. Which of the following is the most probable source of the problem? (ID-NTIA-233)

Users have been experiencing connection timeout issues when using a web-based program. The network technician determines the problem happened due to a TTL setting that was set too low on the firewall. Which of the following BEST enabled the network technician to reach this conclusion? (ID-NTIA-387)

What kind of tool would be used for troubleshooting short/open circuits inside a copper cable? (ID-NTIA-238)

A vulnerability that would allow an unauthenticated, remote attacker to originate a DoS attack was found in a DHCP client implementation of a switch. Which of the following would best resolve the issue? (ID-NTIA-286)

A company hires another firm to test the integrity of its information security controls. This is an example of: (ID-NTIA-257)

After several changes to the network, a technician needs to ensure a client is checking for new hostname and IP pairings. Which of the following commands should the technician use to force new lookups? (ID-NTIA-210)

A network administrator wants to ensure sensitive data is not exfiltrated from the system electronically. Which of the following should be implemented? (ID-NTIA-341)

A metric that compares the amount of usable data and the background noise that is being sent over a transmission channel is known as ___________. (ID-NTIA-234)

A zero-day vulnerability is discovered that affects a specific network device. This vulnerability only affects services on port 21. This network device is restricted to use only secure protocols and services. Which of the following explains why this device is secure? (ID-NTIA-290)

When enabling jumbo frames on a network device, which of the following parameters is being adjusted? (ID-NTIA-339)

Which of the answers listed below refers to an ipconfig command parameter used for displaying the full TCP/IP configuration information for all adapters? (ID-NTIA-330)

A network administrator wants to reduce the amount of time each user takes to log in to different systems in the network. Which of the following would reduce the time spent authenticating? (ID-NTIA-278)

A company has procured a new office building and started the process of assigning employees to work at that location. The company has also purchased equipment for the new location. There are 5033 laptops, 6000 monitors, and 857 printers. Which of the following steps is the technician most likely to complete first? (ID-NTIA-310)

Lauren, a user, reports that her desktop phone is not working on one cable. However, that cable provides connectivity to her laptop. A technician determines PoE is not provided to the end device. Which of the following is most likely the cause? (ID-NTIA-271)

A home security company has installed a wireless device at a residence that allows the company to view security status of the home online. The resident reports the 802.11ac home wireless intermittently loses connectivity for about 15 minutes twice a day. Which of the following is the most likely cause? (ID-NTIA-213)

What is the most likely reason that User A cannot communicate with User B based on the following network configuration? (ID-NTIA-376)

User A
IP address: 192.168.1.121
Subnet mask: 255.255.255.0
Default gateway: 192.168.1.1

User B
IP address: 192.168.1.125
Subnet mask: 255.255.248.0
Default gateway: 192.168.1.1

A technician has been assigned to capture packets on a specific switchport. Which of the following switch feature must be used to accomplish this? (ID-NTIA-323)

A network protocol that allows for secure file transfer over Secure Shell (SSH) is called _________. (ID-NTIA-227)

You have been called in to inspect a network configuration. You are given only one network diagram, shown in the following figure (click to enlarge). Using the diagram, what recommendation might you make? (ID-NTIA-377)

A user reports network resources can no longer be accessed. The PC reports a link but will only accept static IP addresses. The technician pings other devices on the subnet, but the PC displays the message Destination unreachable. Which of the following are most likely the causes of this issue? Choose all suitable answers. (ID-NTIA-389)

A network support specialist is setting up wireless networks for several small companies that are leasing adjacent spaces in an office building. The network support specialist has already configured an access point for each office with WPA2-AES encryption and minimized any overlap of the wireless channels. Several of the companies have expressed concerns about performance and security issues due to the high volume of wireless networks being installed in close proximity. Which of the following actions will best mitigate the companies’ concerns? (ID-NTIA-242)

Which of the following is the best option for controlling and limiting users from accessing resources on the Internet using your companies network? (ID-NTIA-215)

Two buildings used to be connected by a wireless bridge, but they are upgrading to fiber. Which of the following new devices would be required at the demarcation points? (ID-NTIA-212)

Users report that the network is slow. Upon investigation, the technician notices all users are on one large subnet. Which of the following devices should be used to break up broadcast domains? (ID-NTIA-272)

Clients are connected to a switch on the gigabit Ethernet interface; the ISP is connected to the Serial 0 interface. When the router configuration is complete and client devices are reconfigured, all clients report that they are unable to connect to the Internet. Which of the following is the MOST likely reason? Answer the question based on the following IP address information. (ID-NTIA-332)
Gigabit Ethernet 1 Interface: 10.10.0.1/24 Serial 0 Interface: 10.10.0.253/30

A company has just installed a new cloud VoIP solution, however, users occasionally report poor call quality or dead air being present. Which of the following describes the next troubleshooting step the technician should take? (ID-NTIA-394)

A technician is configuring a new email server and needs to modify DNS records. Which of the following records should the technician update to ensure email functions as expected? (ID-NTIA-262)

Review the following figure. How many collision domains and broadcast domains are there in the network diagram? (ID-NTIA-328)

When deploying UTP cables in a networking environment, which of the following are acceptable standards? Choose all the correct answers. (ID-NTIA-288)

Which of the following must be implemented to share metrics between routing protocols within the same router? (ID-NTIA-224)

A technician wants to configure a SOHO network to use a specific public DNS server. Which of the following network components should the technician configure to point all clients on a network to a new DNS server? (ID-NTIA-313)

A few weeks after starting a new position, Joe, a junior network administrator, receives a call from an internal number asking for his username and password to update some records. Joe realizes this may be a type of attack on the network since he has full access to network resources. Which of the following attacks is described? (ID-NTIA-325)

A network technician needs to separate a web server listening on port 80 from the internal LAN and secure the server from the public Internet. The web server should be accessible to the public Internet over port 80 but not the private LAN. Currently, the network is segmented with a network-based firewall using the following IP addressing scheme on each interface: (ID-NTIA-350)

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

A network technician needs to distribute an updated OS for all network switches at company locations throughout the world. The technician wants to ensure file integrity since several locations do not have high-quality connectivity to the Internet. Which of the following methods should be used to distribute the images while ensuring integrity? (ID-NTIA-249)

A network engineer wants to segment the network into multiple broadcast domains. Which of the following devices would allow for communication between the segments? (ID-NTIA-219)

Sanuja, a user, is having issues when trying to access certain web pages. Upon navigating to a web page, it seems like it connects, but then presents the following message: (ID-NTIA-245)
“The Security certificate presented by this website was not trusted by trusted certificate authority.”
Sanuja has cleared his cache and cookies, rebooted his machine, and attempted to browse to the website from a coworker’s desktop, but it still presented with this error. Which of the following is the MOST likely cause of this error?

A network technician is reviewing switch ACLs to determine if they are causing communication issues with one PC. The PCs IP address is 192.168.12.66. Which of the following is the network range found in the ACL that could have affected this PC? (ID-NTIA-381)

Which of the following is an object held within an MIB? (ID-NTIA-276)

The help desk is receiving reports of intermittent connections to a server. A help desk technician suspects the server is unable to establish a three-way handshake due to a DoS attack. Which of the following commands should a network administrator use to confirm the help desk technician’s claim? (ID-NTIA-259)

An NGFW alerts that a web server in the DMZ is sending suspicious traffic. A network administrator finds that port 25 is open, and the traffic is originating from this port. The only purpose of this server is to deliver website traffic. Which of the following should the network administrator recommend to the systems administrator? (ID-NTIA-392)

A network technician is installing a new wireless network for a client. The client has experienced issues with other building tenants connecting to the wireless network and utilizing the bandwidth. The client wants to prevent this from happening by using certificate-based authentication. Which of the following technologies should the network administrator implement? (ID-NTIA-386)

According to the troubleshooting methodology, which of the following steps will help a technician gather information about a network problem? Choose all correct answers. (ID-NTIA-390)

A network technician is assisting a user who has relocated to a newly constructed office space. The user has no network connectivity. A cable tester was used on the port and is reporting that the pairs are open. Which of the following should be used to remedy this problem? (ID-NTIA-298)

A gaming company released a new game that is downloadable on April 20, 2020. On the day of the launch, the majority of customers could not reach the company's website. A message appears on their web browser stating the website is unavailable due to unusually high traffic. This technical issue is very similar to which of the following? (ID-NTIA-356)

Which of the following protocols is responsible for inserting the tags into frames that enable switches to forward them to the appropriate VLAN? (ID-NTIA-318)

Which of the following VPN protocols establishes a secure session that can be initiated using a browser? (ID-NTIA-363)

Two computers are connected to a multilayer switch, and both can access the corporate file server. The computers cannot talk to one another. Which of the following is most likely the cause? (ID-NTIA-400)

A network technician receives reports indicating some users are unable to gain access to any network resources. During troubleshooting, the technician discovers the workstations have an IP address of 169.254.x.x. Which of the following is the most likely cause? (ID-NTIA-302)

Review the following figure. Note that each store-and-forward switch (SANUJA_01, SANUJA_02, and SANUJA_03) has three connected node ports and one port for switch-to-switch connections. All node ports and links are configured for half-duplex communication. The switch-to-switch links are configured for full-duplex communication. Which of the following statements about the switched network is true? (ID-NTIA-327)

Before upgrading the firmware on several routers, a technician must verify the firmware file received is the same one the vendor provided. Which of the following should the technician use? (ID-NTIA-296)

A network technician has purchased a 10GBase-T switch and wishes to connect it to 30 computers with 10GB network cards. The computers are 225ft (69m) away, and all need to establish a 10 Gbps connection to meet business requirements. To minimize costs while still meeting these requirements, which of the following cable types should the technician choose? (ID-NTIA-264)

In a service provider network, a company has an existing IP address scheme. Company A's network currently uses the following scheme: (ID-NTIA-333)

Subnet 1: 192.168.1.0/26
Subnet 2: 192.168.1.65/26
Company B uses the following scheme:
Subnet 1: 192.168.1.50/28

The network administrator cannot force the customer to update its IP scheme. Considering this, which of the following is the BEST way for the company to connect these networks?

A government employee breaches privacy by accessing server data without permission and as a result, his employment contract was terminated abruptly. Which of the following IT policies would best describe this situation? (ID-NTIA-203)

Select all statements that apply to Telnet. (ID-NTIA-228)

A technician wants to have the ability to transfer files from home to the company’s network on a regular basis. Which of the following is a remote access protocol the technician can utilize to bypass interactive user authentication by using a list of known host public keys? (ID-NTIA-201)

A customer wants to set up a guest wireless network for visitors. The customer prefers to not have a password on the network. Which of the following should a technician set up to force guests to provide information before using the network? (ID-NTIA-291)

A technician arrives at a new building to find cabling has been run and terminated, but only the wall ports have been labeled. Which of the following tools should be utilized to best facilitate labeling the patch panel? (ID-NTIA-384)

Which of the following best describes the characteristics of a differential backup solution? (ID-NTIA-282)

While testing an ACL on the default gateway router to allow only web browsing, ports TCP 80 and TCP 443 were the only ports open. When tested, no websites were accessible via their URLs inside the network. Which of the following configurations should be added to the ACL? (ID-NTIA-388)

A network technician has been asked to create secure private networks between a company’s headquarters and several branch locations. The company has provided the on-premises equipment, but each branch has a different ISP. Which of the following technologies should the technician consider using to accomplish this? (ID-NTIA-270)