What is the primary function of a switch's MAC address table? MCQ with Answer and Explanation

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What is the primary function of a switch's MAC address table?

A. To store routing information

B. To store mappings between MAC addresses and ports

C. To store IP addresses

D. To store domain names

Answer: Option B

Solution (By JKSSB Mock Tests)

A switch's MAC address table learns which MAC address is associated with which port for efficient forwarding.

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Question #1

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

A. Class D

B. Class B

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

Which of the following is a dynamic routing protocol?

A. Routing table

B. OSPF

C. Static routing

D. Default routing

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Correct Answer: Option B

Explanation:
OSPF (Open Shortest Path First) is a dynamic routing protocol that automatically adapts to network changes.

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Question #3

Which protocol is used for remote terminal access?

A. SSH

B. HTTP

C. FTP

D. SMTP

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Correct Answer: Option A

Explanation:
SSH (Secure Shell) provides secure remote terminal access and command execution.

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