Question 1

Several open conference rooms have active wired network connections. To discourage unauthorized users, a network technician wants to require users in the conference rooms to authenticate to the network before gaining access. Which of the following would be the BEST network technology to use?

Accepted Answer

802.1X is a network access control protocol that requires users to authenticate before gaining access to the network, making it suitable for securing wired connections in conference rooms.

Question 2

A technician is called to a customer site because the modem has failed and needs to be replaced. The technician connects the existing firewall to a modem taken from another customer site and ensures the users can reach the Internet. That night, a remote vendor tries to transfer a file to the customer's server using FTP but is unable to make the connection. There were no issues the previous night. Which of the following is the MOST likely cause of the problem?

Accepted Answer

The modem taken from another customer site may have its own built-in firewall settings that are different from the original modem, potentially blocking the FTP connection.

Question 3

A network administrator notices that network utilization is extremely high around midnight and wonders if this is normal or if there might be a security issue. Which of the following types of documentation should the administrator consult FIRST?

Accepted Answer

The answer of A network administrator notices that network utilization...

Question 4

A customer has requested Ethernet cabling for a new office building. A technician is dispatched to perform a site survey and does not note any special considerations for the installation. Which of the following cable types will the technician MOST likely recommend for this installation?

Accepted Answer

Unshielded twisted pair (UTP) is the most common type of Ethernet cabling used in office environments due to its cost-effectiveness and ease of installation, especially when there are no special considerations like high interference or long distances that would necessitate fiber optic cables.

Question 5

A company plans to deploy a web server securely on the network to be accessible from the Internet. In which of the following locations should the web server be placed?

Accepted Answer

The DMZ (Demilitarized Zone) is a network area that provides an additional layer of security for servers that need to be accessible from the Internet, such as web servers, while protecting the internal network.

Question 6

A network technician is implementing a new IPv6 addressing scheme at a local office. This is a large office, and the network manager would like a solution that saves time and allows for automatic addressing of nodes. Which of the following would BEST accomplish this?

Accepted Answer

The answer of A network technician is implementing a new...

Question 7

A network technician is required to install a network device to provide service to an office area. The office area has 23 users and two printers that must be able to connect to the file server in a different building. Which of the following network devices should the technician use?

Accepted Answer

A switch is the appropriate device to connect multiple users and printers in an office area to a network, allowing them to communicate with a file server in a different building. It efficiently manages data traffic within the local network.

Question 8

Which of the following can be used to decrease latency during periods of high utilization of a firewall?

Accepted Answer

The answer of Which of the following can be used...

Question 9

Branch users are experiencing issues with videoconferencing. Which of the following will the company MOST likely configure to improve performance for these applications?

Accepted Answer

Quality of service (QoS) is used to prioritize network traffic, which can improve the performance of videoconferencing applications by ensuring they have sufficient bandwidth and low latency.

Question 10

As part of a new datacenter upgrade project, the security manager has asked for additional physical security to prevent asset theft. Which of the following technologies should be implemented?

Accepted Answer

The answer of As part of a new datacenter upgrade...

Question 11

A malicious user sent double-tagged frames on an 802.1Q-enabled port and immediately gained access to additional network resources. Which of the following attacks did the malicious user successfully execute?

Accepted Answer

The attack described is VLAN hopping, where double-tagged frames are used to access VLANs that the attacker should not have access to.

Question 12

A network technician wants to ensure the backup configuration files for the network devices are not being altered after they are stored. Which of the following tasks should the network technician perform to achieve this goal?

Accepted Answer

Computing the checksum of the backup file and documenting it separately allows the technician to verify the integrity of the files by comparing the checksum at a later time to ensure the files have not been altered.

Question 13

Which of the following is the physical topology for an Ethernet LAN?

Accepted Answer

Ethernet LANs typically use a bus topology, where all devices are connected to a single shared cable.

Question 14

A network administrator it concerned about the management traffic between a machine and the corporate router. Which of the following protocols should the administrator use to prevent a security breach?

Accepted Answer

SSH (Secure Shell) is a protocol that provides a secure channel over an unsecured network, ensuring encrypted management traffic between a machine and the corporate router.

Question 15

A network technician needs to extend a Cat 6a connection. A device is being moved to another building that is too far away for the existing cable to reach. There is dark fiber between the buildings, and the devices must be directly connected to each other using RJ45 terminations. Which of the following is needed to ensure the connection?

Accepted Answer

A media converter is needed to convert the electrical signals from the Cat 6a cable to optical signals for transmission over the dark fiber, and then back to electrical signals for the RJ45 termination at the other end.

Question 16

A wireless administrator has configured a secure wireless network that can only be associated to specific domain accounts. This was done to help mitigate any ricks associated with the wireless signal propagating outside of the facility. Which of the following has no administrator implemented?

Accepted Answer

The answer of A wireless administrator has configured a secure...

Question 17

A technician receives a report that Joe, an existing user, is unable to access the network. Joe confirms that he had full access the previous day. The change log is reviewed, and there have been no changes on Joe's computer or any network changes in the last week. The technician moves the connection to an adjacent location on the switch, and Joe is able to access the network. Which of the following is the MOST likely cause of this issue?

Accepted Answer

The issue was resolved by moving the connection to a different port, indicating that the original port was likely faulty.

Question 18

A consultant is designing a new network for a company that will be hosting its own email and web servers. The company wants to ensure there are separate devices to protect the internal network from the DMZ and the DMZ from the Internet. Which of the following would provide this protection?

Accepted Answer

Using two firewalls in-line allows for the separation and protection of the internal network from the DMZ and the DMZ from the Internet, providing a layered security approach.

Question 19

A network administrator has been directed to present the network alerts from the past week to the company's executive staff. Which of the following will provide the BEST collection and presentation of this data?

Accepted Answer

A report from the SIEM tool will provide a comprehensive and consolidated view of network alerts, as SIEM tools are designed to collect, analyze, and present security data from across the network in an understandable format for executive staff.

Question 20

A rural municipality has built an external public WiFi meshed network using omnidirectional antennas. After the initial build, the performance meets expectations, and the municipality enters a six-month pilot program in the fall. By the end of the pilot program in the spring, the performance has fallen dramatically. The pilot has a static number of users with no increases in usage from beginning to end. Which of the following would be the MOST likely reason for the performance issues?

Accepted Answer

Foliage can absorb and block WiFi signals, and since the pilot program started in the fall and ended in the spring, the growth of leaves and other foliage could have increased, leading to absorption issues and reduced performance.

Exam 10: CompTIA Network+