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)? MCQ with Answer and Explanation

Question

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. Full-Duplex

B. Multiplex

C. Simplex

D. Half-Duplex

Answer: Option D

Solution (By JKSSB Mock Tests)

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

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What is the role of a DHCP server?

A. To route packets

B. To resolve domain names

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Correct Answer: Option C

Explanation:
DHCP server automatically assigns IP addresses and other network configuration to clients.

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Question #2

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What is the main difference between a bridge and a switch?

A. No difference

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Correct Answer: Option B

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A switch is essentially a multiport bridge with hardware-based forwarding.

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What is the purpose of a network bridge?

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Correct Answer: Option A

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Bridges filter and forward frames based on MAC addresses, connecting segments.

This question belongs to: Computer Computer Networking

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