Which device operates at the data link layer and uses MAC addresses to forward data? MCQ with Answer and Explanation
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Question #1
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What is the purpose of a subnet mask?
Correct Answer: Option A
Explanation:
A subnet mask separates the IP address into network and host bits.
A subnet mask separates the IP address into network and host bits.
This question belongs to:
Computer
Computer Networking
Question #2
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Which of the following is an advantage of a switch over a hub?
Correct Answer: Option D
Explanation:
Switches learn MAC addresses and forward frames only to the intended port, reducing unnecessary traffic.
Switches learn MAC addresses and forward frames only to the intended port, reducing unnecessary traffic.
This question belongs to:
Computer
Computer Networking
Question #3
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What does the IP loopback address '127.0.0.1' explicitly represent?
Correct Answer: Option A
Explanation:
127.0.0.1 is the standard loopback address. Packets sent here cycle back within the local network software layer without hitting external wires.
127.0.0.1 is the standard loopback address. Packets sent here cycle back within the local network software layer without hitting external wires.
This question belongs to:
Computer
Computer Networking
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