What is the role of a network interface card (NIC)? MCQ with Answer and Explanation

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What is the role of a network interface card (NIC)?

A. Routes packets between networks

B. Provides physical connection to the network

C. Filters traffic

D. Assigns IP addresses

Answer: Option B

Solution (By JKSSB Mock Tests)

A NIC is hardware that connects a computer to a network media.

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Question #1

What is a network gateway?

A. A device that connects computers in a LAN

B. A device that amplifies signals

C. A device that connects two different networks with different protocols

D. A device that stores web pages

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Correct Answer: Option C

Explanation:
A gateway acts as an entrance to another network, often translating protocols.

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Question #2

Which topology uses a single communication line to which all devices are attached?

A. Ring

B. Mesh

C. Bus

D. Star

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Correct Answer: Option C

Explanation:
Bus topology uses a single cable (backbone) to which all devices connect.

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Question #3

Which of the following is a Class A private IP address?

A. 172.16.1.1

B. 127.0.0.1

C. 192.168.1.1

D. 10.1.1.1

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Correct Answer: Option D

Explanation:
10.0.0.0/8 is Class A private range.

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