Which topology is commonly used in modern Ethernet networks? MCQ with Answer and Explanation

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Which topology is commonly used in modern Ethernet networks?

A. Ring

B. Star

C. Bus

D. Mesh

Answer: Option B

Solution (By JKSSB Mock Tests)

Star topology with a central switch is the most common topology in modern Ethernet LANs.

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Question #1

In a bus topology, how are signals transmitted?

A. In a ring

B. Through a central hub

C. Through point-to-point links

D. Along a single cable in both directions

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Correct Answer: Option D

Explanation:
In bus topology, all devices share a single communication line, and signals travel in both directions.

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Question #2

What does an IPv4 address configuration use to determine the broadcast address for a specific subnet?

A. The external DNS resolution system

B. The network mask and host bit combinations

C. The loopback hardware interface

D. The MAC registration lookup

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Correct Answer: Option B

Explanation:
Setting all host bits of an IP network block to binary 1 yields the specific broadcast address used to send data to all devices on that subnet.

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Question #3

What is the function of a load balancer?

A. Assigns IP addresses

B. Distributes network traffic across multiple servers

C. Resolves domain names

D. Blocks malicious traffic

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Correct Answer: Option B

Explanation:
Load balancers distribute incoming requests across servers to ensure availability and performance.

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