An organization wants to ensure that incoming emails were sent from a trusted source. Which of the

following DNS records is used to verify the source?

A small business is deploying new phones, and some of the phones have full HD videoconferencing

features. The Chief Information Officer (CIO) is concerned that the network might not be able to

handle the traffic if it reaches a certain threshold. Which of the following can the network engineer

configure to help ease these concerns?

A user's VoIP phone and workstation are connected through an inline cable. The user reports that the

VoIP phone intermittently reboots, but the workstation is not having any network-related issues

Which of the following is the most likely cause?

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?

A network administrator is deploying a new switch and wants to make sure that the default priority

value was set for a spanning tree. Which of the following values would the network administrator

expect to see?

Which of the following most likely determines the size of a rack for installation? (Select two).

Which of the following technologies is the best choice to listen for requests and distribute user traffic

across web servers?

Users usually use RDP to connect to a terminal server with hostname TS19 that points to

10.0.100.19. However, users recently have been unable to connect to TS19. The technician pings

10.0.100.19 and gets an unreachable error. Which of the following is the most likely cause?

An IT department asks a newly hired employee to use a personal laptop until the company can

provide one. Which of the following policies is most applicable to this situation?

An organization has a security requirement that all network connections can be traced back to a user.

A network administrator needs to identify a solution to implement on the wireless network. Which

of the following is the best solution?

Which of the following can be implemented to add an additional layer of security between a

corporate network and network management interfaces?

Which of the following is used to stage copies of a website closer to geographically dispersed users?

After installing a series of Cat 8 keystones, a data center architect notices higher than normal

interference during tests. Which of the following steps should the architect take to troubleshoot the

issue?

A network engineer is testing a website to ensure it is compatible with IPv6. After attempting to ping

the website by its IPv6 address, the engineer determines that the DNS has not been set up properly.

Which of the following should the network engineer complete to resolve this issue?

A network administrator is configuring a network for a new site that will have 150 users. Within the

next year, the site is expected to grow by ten users. Each user will have two IP addresses (one for a

computer and one for a phone). Which of the following classful IPv4 address ranges will be bestsuited

for the network?

Which of the following requires network devices to be managed using a different set of IP addresses?

A VoIP phone is plugged in to a port but cannot receive calls. Which of the following needs to be

done on the port to address the issue?

Which of the following is a characteristic of the application layer?

A network engineer is now in charge of all SNMP management in the organization. The engineer

must use a SNMP version that does not utilize plaintext dat

a. Which of the following is the minimum version of SNMP that supports this requirement?

Which of the following steps in the troubleshooting methodology would be next after putting

preventive measures in place?

A network analyst is installing a wireless network in a corporate environment. Employees are

required to use their domain identities and credentials to authenticate and connect to the WLAN.

Which of the following actions should the analyst perform on the AP to fulfill the requirements?

Which of the following network topologies contains a direct connection between every node in the

network?

A network administrator needs to create a way to redirect a network resource that has been on the

local network but is now hosted as a SaaS solution. Which of the following records should be used to

accomplish the task?

A wireless technician wants to implement a technology that will allow user devices to automatically

navigate to the best available frequency standard. Which of the following technologies should the

technician use?

A research facility is expecting to see an exponential increase in global network traffic in the near

future. The offices are equipped with 2.5Gbps fiber connections from the ISP, but the facility is

currently only utilizing 1Gbps connections. Which of the following would need to be configured in

order to use the ISP's connection speed?

An organizatin is struggling to get effective coverage using the wireless network. The organization

wants to implement a solution that will allow for continous connectivity anywhere in the facility.

Which of the following should the network administ rator suggest to ensure the best coverage?

After a company installed a new IPS, the network is experiencing speed degradation. A network

administrator is troubleshooting the issue and runs a speed test. The results from the different

network locations are as follows:

LocationSpeed DownSpeed Up

Wireless laptop4.8 Mbps47.1 Mbps

Wired desktop5.2 Mbps49.3 Mbps

Firewall48.8 Mbps49.5 Mbps

Which of the following is the most likely issue?

A company is implementing a wireless solution in a high-density environment. Which of the

following 802.11 standards is used when a company is concerned about device saturation and

converage?

Which of the following is used to describe the average duration of an outage for a specific service?

A critical infrastructure switch is identified as end-of-support. Which of the following is the best next

step to ensure security?

Which of the following must be implemented to securely connect a company's headquarters with a

branch location?

Which of the following steps of the troubleshooting methodology would most likely include checking

through each level of the OSI model after the problem has been identified?

Which of the following is created to illustrate the effectiveness of wireless networking coverage in a

building?

After changes were made to a firewall, users are no longer able to access a web server. A network

administrator wants to ensure that ports 80 and 443 on the web server are still accessible from the

user IP space. Which of the following commands is best suited to perfom this testing?

A network administrator needs to assign IP addresses to a newly installed network. They choose

192.168.1.0/24 as their network address and need to create three subnets with 30 hosts on each

subnet. Which of the following is a valid subnet mask that will meet the requirements?

Which of the following is the most cost-effective way for a network administrator to establish a

persistent, secure connection between two facilities?

Which of the following can support a jumbo frame?

After providing a username and password, a user must input a passcode from a phone application.

Which of the following authentication technologies is used in this example?

Which of the following best explains the role of confidentiality with regard to data at rest?

A network administrator needs to connect a department to a new network segment. They need to

use a DHCP server located on another network. Which of the following can the administrator use to

complete this task?

While troubleshooting a VoIP handset connection, a technician's laptop is able to successfully

connect to network resources using the same port. The technician needs to identify the port on the

switch. Which of the following should the technician use to determine the switch and port?

A group of users cannot connect to network resources. The technician runs ipconfig from one user's device and is able to ping the gateway shown from the command. Which of the following is most

likely preventing the users from accessing network resources?

A network administrator is implementing security zones for each department. Which of the following

should the administrator use to accomplish this task?

Which of the following is a cost-effective advantage of a split-tunnel VPN?

A company wants to implement data loss prevention by restricting user access to social media

platforms and personal cloud storage on workstations. Which of the following types of filtering

should the company deploy to achieve these goals?

A company recently rearranged some users' workspaces and moved several users to previously used

workspaces. The network administrator receives a report that all of the users who were moved are

having connectivity issues. Which of the following is the MOST likely reason?

As part of an attack, a threat actor purposefully overflows the content-addressable memory (CAM)

table on a switch. Which of the following types of attacks is this scenario an example of?

A network engineer is completing a wireless installation in a new building. A requirement is that all

clients be able to automatically connect to the fastest supported network. Which of the following

best supports this requirement?

Which of the following does a full-tunnel VPN provide?