Which of the following is an advantage of a switch over a hub? MCQ with Answer and Explanation

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Which of the following is an advantage of a switch over a hub?

A. Supports more protocols

B. Intelligence to send data only to the destination port

C. Lower cost

D. Works over longer distances

Answer: Option B

Solution (By JKSSB Mock Tests)

Switches learn MAC addresses and forward frames only to the intended port, reducing unnecessary traffic.

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Practice More Computer Networking Questions

Question #1

Which protocol is used to resolve an IP address to a MAC address?

A. DHCP

B. ARP

C. DNS

D. RARP

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Correct Answer: Option B

Explanation:
ARP (Address Resolution Protocol) maps IP addresses to MAC addresses.

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Question #2

What is the primary limitation of configuring a network using a point-to-point Full Mesh Topology as the number of nodes scales high?

A. It lacks absolute security constraints.

B. The network performance decreases whenever a single cable drops.

C. The number of required physical cables and ports grows exponentially, making it highly expensive.

D. It cannot run modern routing software.

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Correct Answer: Option C

Explanation:
A full mesh layout requires n(n-1)/2 physical lines. As nodes (n) increase, the cabling overhead and hardware costs grow quadratically.

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Question #3

What structural benefit does a Mesh Topology offer compared to alternative network layouts?

A. It can operate without any network interface cards.

B. It provides extreme fault tolerance and redundancy by creating alternative communication pathways.

C. It removes the requirement for hardware MAC profiles.

D. It minimizes physical cabling requirements.

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Correct Answer: Option B

Explanation:
Because mesh networks provide multiple redundant connections between nodes, communication can bypass broken lines via alternative paths.

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