What does the acronym NIC stand for? MCQ with Answer and Explanation
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Question #1
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Which device is responsible for modulating digital computer signals into analog waves for transmission over traditional telephone lines, and demodulating them back?
Correct Answer: Option A
Explanation:
A modem (Modulator-Demodulator) converts digital signals from a computer into analog signals for communication cables, and vice versa.
A modem (Modulator-Demodulator) converts digital signals from a computer into analog signals for communication cables, and vice versa.
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Computer
Computer Networking
Question #2
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Which network device operates at the OSI model's physical layer and can regenerate signals?
Correct Answer: Option A
Explanation:
Repeaters work at the physical layer to regenerate and amplify signals to extend cable length.
Repeaters work at the physical layer to regenerate and amplify signals to extend cable length.
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Computer
Computer Networking
Question #3
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What is the primary purpose of a subnet mask in an IP network configuration?
Correct Answer: Option C
Explanation:
The subnet mask uses binary masking to show which bits of an IP address indicate the network prefix and which bits identify the specific host device.
The subnet mask uses binary masking to show which bits of an IP address indicate the network prefix and which bits identify the specific host device.
This question belongs to:
Computer
Computer Networking
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