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

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What does the acronym NAT stand for?

A. Node Address Translation

B. Network Address Translation

C. Network Address Tracking

D. Network Access 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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What type of communication channel allows data to move in both directions, but only one direction at a time (e.g., a standard citizen band radio)?

A. Multiplex

B. Simplex

C. Half-Duplex

D. Full-Duplex

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Correct Answer: Option C

Explanation:
Half-duplex communication allows bidirectional traffic, but devices must alternate sending and receiving to prevent data collisions.

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Question #2

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Which device is used to connect multiple computers in a LAN using twisted-pair cables?

A. Modem

B. Router

C. Firewall

D. Hub or switch

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Correct Answer: Option D

Explanation:
Hubs and switches are used to interconnect devices within a LAN.

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Question #3

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Which of the following is a broadcast address for a network with subnet mask 255.255.255.0 and network IP 192.168.1.0?

A. 192.168.1.1

B. 192.168.1.254

C. 192.168.1.0

D. 192.168.1.255

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Correct Answer: Option D

Explanation:
The broadcast address is the highest address in the subnet, i.e., 192.168.1.255 for a /24 network.

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