What is the full form of LAN in computer networking? MCQ with Answer and Explanation

What is the full form of LAN in computer networking?

A. Local Area Network

B. Link Area Network

C. Large Area Network

D. Local Access Network

Answer: Option A

LAN stands for Local Area Network, which connects computers within a limited geographical area.

This question belongs to: Computer Computer Networking

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Question #1 Report Error

Which IPv4 address class range is explicitly reserved for multicast distribution groups rather than individual node assignments?

A. Class A

B. Class D

C. Class B

D. Class E

Correct Answer: Option B

Explanation:
Class D IP addresses span from 224.0.0.0 to 239.255.255.255 and are reserved worldwide for multicasting workflows.

This question belongs to: Computer Computer Networking

Question #2 Report Error

What is the purpose of a firewall's ACL (Access Control List)?

A. To define rules for permitting or denying traffic

B. To forward packets

C. To assign IP addresses

D. To resolve domain names

Correct Answer: Option A

Explanation:
ACLs are used to filter network traffic based on IP, port, or other criteria.

This question belongs to: Computer Computer Networking

Question #3 Report Error

What is a VLAN used for?

A. To route between networks

B. To segment a network logically

C. To provide wireless connectivity

D. To increase bandwidth

Correct Answer: Option B

Explanation:
VLANs logically divide a network into separate broadcast domains.

This question belongs to: Computer Computer Networking