Which protocol is used to send error messages and operational information? MCQ with Answer and Explanation
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Question #1
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Which OSI layer is responsible for error detection and correction at the data link layer?
Correct Answer: Option B
Explanation:
The data link layer performs error detection (and sometimes correction) using frame check sequences.
The data link layer performs error detection (and sometimes correction) using frame check sequences.
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Computer
Computer Networking
Question #2
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What is a disadvantage of a bus topology?
Correct Answer: Option B
Explanation:
Bus topology can be difficult to troubleshoot because a single faulty node or cable can affect the entire network.
Bus topology can be difficult to troubleshoot because a single faulty node or cable can affect the entire network.
This question belongs to:
Computer
Computer Networking
Question #3
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Which device uses an internal bridging engine to isolate network traffic by individual ports, delivering full-duplex channels to each connected node?
Correct Answer: Option D
Explanation:
A switch operates at Layer 2 to segment a network, providing dedicated, full-duplex communication channels for each individual port.
A switch operates at Layer 2 to segment a network, providing dedicated, full-duplex communication channels for each individual port.
This question belongs to:
Computer
Computer Networking
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