Which OSI layer is responsible for error detection and correction at the data link layer? MCQ with Answer and Explanation
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Question #1
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Which type of network environment covers a corporate office spanning multiple high-rise buildings across an entire urban district or metropolitan area?
Correct Answer: Option C
Explanation:
A Metropolitan Area Network (MAN) is optimized to connect computing resources across city-wide or regional municipal scopes.
A Metropolitan Area Network (MAN) is optimized to connect computing resources across city-wide or regional municipal scopes.
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Computer
Computer Networking
Question #2
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In which topology is it possible to add or remove devices without disrupting the entire network?
Correct Answer: Option A
Explanation:
In star topology, each device is independently connected to the central hub, so adding/removing doesn't affect others.
In star topology, each device is independently connected to the central hub, so adding/removing doesn't affect others.
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Computer
Computer Networking
Question #3
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Which device uses a bridge layer to segment a local network into independent collision domains for each physical port while maintaining a single shared broadcast domain?
Correct Answer: Option D
Explanation:
A switch separates each port into its own dedicated collision domain, preventing collisions while passing broadcast traffic to all ports.
A switch separates each port into its own dedicated collision domain, preventing collisions while passing broadcast traffic to all ports.
This question belongs to:
Computer
Computer Networking
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