What is the main disadvantage of a ring topology? MCQ with Answer and Explanation

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What is the main disadvantage of a ring topology?

A. A single break in the ring can disable the entire network

B. Expensive cabling

C. Difficult to manage

D. Requires a central hub

Answer: Option A

Solution (By JKSSB Mock Tests)

In ring topology, if one link fails, the entire network fails unless it uses a dual-ring design.

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Practice More Computer Networking Questions

Question #1

How many total octets are used to construct a standard 32-bit IPv4 network address configuration?

A. 6 octets

B. 2 octets

C. 8 octets

D. 4 octets

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Correct Answer: Option D

Explanation:
An IPv4 address contains 32 bits divided into 4 octets (8 bits each), separated by dots in decimal format.

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Question #2

Which layer of the TCP/IP model corresponds to the OSI network layer?

A. Transport layer

B. Internet layer

C. Link layer

D. Application layer

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Correct Answer: Option B

Explanation:
In TCP/IP, the Internet layer corresponds to the OSI network layer, handling routing and IP.

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Question #3

Which protocol works automatically to resolve local IP addresses to physical hardware addresses on an Ethernet network segment?

A. NAT

B. ARP (Address Resolution Protocol)

C. DNS

D. DHCP

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Correct Answer: Option B

Explanation:
ARP converts logical IP targets into corresponding physical MAC addresses within a local data link layer segment.

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