Expert Answers to CompTIA Exam N10-009 Questions

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CompTIA Network+ CompTIA Network+ Certification Exam

CompTIA Network+ Certification Exam

Last Update May 9, 2026
Total Questions : 550

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Questions 2

A network administrator performed upgrades on a server and installed a new NIC to improve performance. Following the upgrades, usera are unable to reach the server. Which of the following is the most likely reason.

Options:

The PoE power budget was exceeded.

TX/RX was transposed.

A port security violation occured.

An incorrect cable type was installed.

Discussion 0

Questions 3

A network administrator needs to deploy a subnet using an IP address range that can support at least 260 devices with the fewest wasted addresses. Which of the following subnets should the administrator use?

Options:

172.16.0.0/24

172.25.2.0/23

172.30.1.0/22

172.33.0.0/21

Discussion 0

Questions 4

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?

Options:

Enable MAC security.

Generate a PSK for each user.

Implement WPS.

Set up WPA3 protocol.

Discussion 0

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Questions 5

A newly opened retail shop uses a combination of new tablets, PCs, printers, and legacy card readers. Which of the following wireless encryption types is the most secure and compatible?

Options:

WPA3

WPA2

WPA2/WPA3 mixed mode

WPA/WPA2 mixed mode

Discussion 0

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