What is the purpose of a VLAN (Virtual LAN)? MCQ with Answer and Explanation

Question

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What is the purpose of a VLAN (Virtual LAN)?

A. To increase physical cable distance

B. To encrypt data

C. To assign IP addresses

D. To logically segment a network without physical separation

Answer: Option D

Solution (By JKSSB Mock Tests)

VLANs divide a physical network into multiple logical networks for better management and security.

This question belongs to: Computer Computer Networking

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Question #1

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Which technology translates public external IP addresses to private internal IP addresses, allowing multiple LAN gadgets to share one public web connection?

A. DNS

B. NAT (Network Address Translation)

C. DHCP

D. ARP

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Correct Answer: Option B

Explanation:
NAT enables a router to map private, non-routable internal LAN addresses to a singular public-facing IP, conserving global IPv4 pools.

This question belongs to: Computer Computer Networking