Question 1

At which of the following OSI model layers would a router operate?

Accepted Answer

A router operates at the Network layer of the OSI model. It is responsible for routing packets between different networks.

Question 2

A technician is setting up a wireless access point in a coffee shop. The shop is not concerned with security but only wants to allow customers to have access. Which of the following configurations should the technician deploy?

Accepted Answer

A pre-shared key is a simple and easy way to secure a wireless network. It is a password that is shared between all users of the network. This makes it easy for users to connect to the network, but it also makes it less secure than other methods of security.

Question 3

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

Accepted Answer

A captive portal is the best option for providing username and password authentication for guest WiFi, as it redirects users to a web page to enter their credentials before accessing the network.

Question 4

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?

Accepted Answer

After gathering information, the next logical step is to establish a theory of probable cause to identify what might be causing the issue before taking further action.

Question 5

A disgruntled employee decides to leak critical information about a company's new product. The employee places keyloggers on the department's computers, allowing the information to be sent out to the Internet. Which of the following attacks is occurring?

Accepted Answer

The attack described is an insider threat, as it involves an employee within the organization who is intentionally leaking sensitive information.

Question 6

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?

Accepted Answer

Logical and physical diagrams provide the necessary information about the network layout and connections, which are essential for configuring a new firewall correctly.

Question 7

Which of the following DNS record types is an alias?

Accepted Answer

CNAME is an alias record type that maps an alias name to a true name.

Question 8

An entire enterprise cannot access a specific website. The network technician knows the website was accessible last week. The technician can also ping the website. Which of the following is the technician MOST likely to find upon investigation?

Accepted Answer

The answer of An entire enterprise cannot access a specific...

Question 9

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?

Accepted Answer

The glass used in modern buildings can cause reflection of cellular signals, leading to poor connectivity and speeds.

Question 10

A switch has detected duplicate broadcast messages sourced from a second port. The broadcasts continue to be transmitted and duplicated until the amount of traffic causes severe performance issues. Which of the following should be configured to prevent this behavior?

Accepted Answer

Spanning Tree Protocol (STP) is designed to prevent loops in network topologies, which can cause broadcast storms and severe performance issues. Configuring STP will help prevent the duplication of broadcast messages by blocking redundant paths.

Question 11

A network technician is setting up a new router. Since it is exposed to the public, which of the following are the BEST steps the technician should take when setting up this device? (Choose two.)

Accepted Answer

Disable unnecessary services and upgrade to the latest firmware are the best steps to take when setting up a router that is exposed to the public. Disabling unnecessary services reduces the attack surface of the router, and upgrading to the latest firmware ensures that the router has the latest security patches.

Question 12

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

Accepted Answer

An omnidirectional antenna is best for providing coverage in all directions from a central point, making it ideal for covering a medium-sized, square-shaped room like a cafeteria.

Question 13

A network technician is repurposing a switch that has been in storage for some time. The device has been wiped to factory defaults. Which of the following should be done FIRST to ensure the device has been hardened before configuration?

Accepted Answer

Checking for updated firmware should be done first to ensure the device is running the latest security patches and improvements before proceeding with further configuration and hardening steps.

Question 14

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?

Accepted Answer

A client-to-site VPN provides secure access to corporate resources by encrypting the connection from Ann's home to the corporate network, allowing her to map resources locally as if she were on-site.

Question 15

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

Accepted Answer

A firewall must be specifically configured to allow VPN traffic into the network, as it controls the incoming and outgoing network traffic based on predetermined security rules.

Question 16

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

Accepted Answer

The technician should first check if the device is physically connected to the switch, as a disconnected cable would result in no LED light on the switchport.

Question 17

A network administrator is assigned to run and connect a Cat 6e Ethernet cable between two nodes in a datacenter. Which of the following connector types should the network administrator use to terminate this cable?

Accepted Answer

RJ-45 connectors are used to terminate Cat 6e Ethernet cables, which are commonly used for network connections in data centers.

Question 18

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

Accepted Answer

Change management records should be checked to see if any recent changes were made to the network configuration that could have caused the outage.

Question 19

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?

Accepted Answer

An access point should be implemented to allow 802.11n clients to connect to the network, as it provides the necessary wireless connectivity.

Question 20

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?

Accepted Answer

SNMPv3 uses traps to notify the monitoring system immediately when certain conditions, like utilization spikes, occur.

Exam 10: CompTIA Network+