Free CompTIA N10-008 Exam Actual Questions

The questions for N10-008 were last updated On Dec 18, 2025

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Question No. 1

A network technician is installing an analog desk phone for a new receptionist After running a new phone line, the technician now needs to cnmp on a new connector. Which of the following connectors would MOST likely be used in this case?

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Question No. 2

Which of the following options represents the participating computers in a network?

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Correct Answer: A

A VLAN (Virtual Local Area Network) is a logical grouping of devices that share the same broadcast domain, regardless of their physical location or connection.VLANs can improve network performance, security, and management by separating different types of traffic, such as data, voice, and video1.

A VoIP (Voice over Internet Protocol) phone is a device that uses the Internet to transmit voice calls, instead of the traditional phone lines.VoIP phones require a network connection, an IP address, and a gateway to communicate with other VoIP devices or phone systems2.

A DHCP (Dynamic Host Configuration Protocol) server is a device that automatically assigns IP addresses and other network configuration parameters to devices that request them.DHCP simplifies network administration and avoids IP conflicts3.

A switchport is a physical interface on a switch that connects to a network device, such as a VoIP phone, a computer, or another switch.A switchport can be configured to belong to a specific VLAN or to carry traffic from multiple VLANs4.

A gateway is a device that connects different networks and enables communication between them.A gateway can also perform protocol conversion, such as translating between VoIP and analog signals5.

A route is a path that a packet takes to reach its destination. A route consists of a destination network, a next-hop device, and a metric. A router is a device that forwards packets based on their destination IP addresses and the routing table.

In order to allow a newly installed VoIP phone to operate correctly, the network administrator needs to assign the phone's switchport to the correct VLAN. This will ensure that the phone can communicate with the DHCP server and obtain an IP address that belongs to the same network as the phone system. This will also isolate the voice traffic from the data traffic and improve the quality of service.

Statically assigning the phone's gateway address is not enough to allow the phone to operate correctly, as the phone still needs an IP address and a subnet mask to communicate with other devices on the network. Moreover, statically assigning network parameters can be tedious and prone to errors, especially for a large number of devices.

Configuring a route on the VoIP network router is not necessary to allow the phone to operate correctly, as the phone and the phone system are on the same network and do not need to cross any routers. Configuring a route would only be needed if the phone and the phone system were on different networks and needed to communicate through a router.

Implementing a VoIP gateway is not required to allow the phone to operate correctly, as the phone and the phone system are both VoIP devices and use the same protocol. Implementing a VoIP gateway would only be needed if the phone or the phone system needed to communicate with a non-VoIP device or system, such as a traditional phone line or a public switched telephone network (PSTN).


1:VLAN

2:VoIP Phone

3:DHCP

4:Switchport

5:Gateway

: [Route]

: [VoIP VLAN Configuration]

: [Static vs Dynamic IP Addressing]

: [Routing Basics]

: [VoIP Gateway]

Question No. 3

Which of the following factors should be considered when evaluating a firewall to protect a datacenter's east-west traffic?

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Correct Answer: B

When evaluating a firewall to protect a datacenter's east-west traffic, it is important to consider traffic between VMs running on different hosts. This type of traffic is referred to as east-west traffic and is often protected by internal firewalls. By implementing firewalls, an organization can protect their internal network against threats such as lateral movement, which can be caused by attackers who have breached a perimeter firewall. Reference: Network+ Certification Study Guide, Chapter 5: Network Security


Question No. 4

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?

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Question No. 5

In which of the following components do routing protocols belong in a software-defined network?

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Correct Answer: B

A software-defined network (SDN) is a network architecture that decouples the control plane from the data plane and centralizes the network intelligence in a software controller. The control plane is the part of the network that makes decisions about how to route traffic, while the data plane is the part of the network that forwards traffic based on the control plane's instructions. The control layer is the layer in an SDN that contains the controller and the routing protocols that communicate with the network devices. The control layer is responsible for managing and configuring the network devices and providing them with the necessary information to forward traffic. Reference: https://www.comptia.org/training/books/network-n10-008-study-guide (page 378)