What does the acronym NAT stand for? MCQ with Answer and Explanation

Question

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What does the acronym NAT stand for?

A. Network Access Translation

B. Network Address Translation

C. Network Address Tracking

D. Node Address Translation

Answer: Option B

Solution (By JKSSB Mock Tests)

NAT maps private IP addresses to a public IP for internet access.

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Question #1

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

A. Class D

B. Class A

C. Class B

D. Class E

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Correct Answer: Option A

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

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Question #2

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Which network is used for connecting personal devices like a smartphone and smartwatch?

A. LAN

B. PAN

C. MAN

D. WAN

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Correct Answer: Option B

Explanation:
PAN (Personal Area Network) is designed for short-range communication among personal devices, typically within 10 meters.

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Question #3

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What is the maximum number of IP addresses in a Class C network?

A. 65534

B. 16,777,214

C. 256

D. 254

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Correct Answer: Option D

Explanation:
Class C has 8 host bits, giving 2^8 = 256 addresses, with 2 reserved (network and broadcast), so 254 usable.

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