What does the term packet refer to in networking? MCQ with Answer and Explanation

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What does the term packet refer to in networking?

A. A unit of data at the application layer

B. A unit of data at the network layer

C. A unit of data at the data link layer

D. A unit of data at the physical layer

Answer: Option B

Solution (By JKExamLibrary)

A packet is a formatted unit of data at the network layer (layer 3).

This question belongs to: Computer Computer Networking

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Practice More Computer Networking Questions

Question #1 Report Error

What is the function of a load balancer?

A. Distributes network traffic across multiple servers

B. Blocks malicious traffic

C. Assigns IP addresses

D. Resolves domain names

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Correct Answer: Option A

Explanation:
Load balancers distribute incoming requests across servers to ensure availability and performance.

This question belongs to: Computer Computer Networking

Question #2 Report Error

Which of the following IPv4 address blocks is strictly reserved by the IETF for private local area networks and is non-routable over the public internet?

A. 12.0.0.0 /8

B. 8.8.8.0 /24

C. 192.168.0.0 /16

D. 224.0.0.0 /4

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Correct Answer: Option C

Explanation:
The 192.168.0.0 to 192.168.255.255 range is a standard private IP address block designated by RFC 1918 for internal LAN use.

This question belongs to: Computer Computer Networking

Question #3 Report Error

Which device is used to extend a network's physical range by amplifying signals?

A. Router

B. Gateway

C. Switch

D. Repeater

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Correct Answer: Option D

Explanation:
A repeater amplifies and regenerates signals to extend cable length.

This question belongs to: Computer Computer Networking

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