What is the purpose of a network bridge? MCQ with Answer and Explanation

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What is the purpose of a network bridge?

A. To connect a LAN to the internet

B. To amplify signals

C. To assign IP addresses

D. To connect two network segments and reduce traffic by filtering

Answer: Option D

Solution (By JKSSB Mock Tests)

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

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Practice More Computer Networking Questions

Question #1

Which IP address class has the first octet range of 1 to 126?

A. Class B

B. Class D

C. Class C

D. Class A

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Correct Answer: Option D

Explanation:
Class A addresses range from 1.0.0.0 to 126.255.255.255, with first bit 0.

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Question #2

What is the loopback address in IPv6?

A. ::1

B. 0:0:0:0:0:0:0:1

C. Both A and C

D. 127.0.0.1

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Correct Answer: Option C

Explanation:
In IPv6, loopback is ::1 (which is 0:0:0:0:0:0:0:1).

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Question #3

Which protocol is used to send error messages and operational information?

A. UDP

B. TCP

C. HTTP

D. ICMP

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Correct Answer: Option D

Explanation:
ICMP is used for error reporting (e.g., unreachable host) and diagnostics.

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