Which protocol is used for network address translation? MCQ with Answer and Explanation

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Which protocol is used for network address translation?

A. NAT

B. DHCP

C. ARP

D. DNS

Answer: Option A

Solution (By JKSSB Mock Tests)

NAT translates private addresses to public ones, allowing multiple devices to share a single public IP.

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Question #1

Which type of network is the Internet considered?

A. PAN

B. LAN

C. MAN

D. WAN

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Correct Answer: Option D

Explanation:
The Internet is the largest example of a WAN, spanning the entire globe.

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Question #2

Which of the following is a private IP address?

A. 192.169.1.1

B. 203.0.113.1

C. 172.32.1.1

D. 10.0.0.1

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Correct Answer: Option D

Explanation:
10.0.0.1 is within the 10.0.0.0/8 private range.

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Question #3

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

A. To logically segment a network without physical separation

B. To increase physical cable distance

C. To assign IP addresses

D. To encrypt data

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Correct Answer: Option A

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

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