Which IP address range specifies a Class C network identity under traditional classful routing protocols? MCQ with Answer and Explanation

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Which IP address range specifies a Class C network identity under traditional classful routing protocols?

A. 192.0.0.0 to 223.255.255.255

B. 1.0.0.0 to 126.255.255.255

C. 128.0.0.0 to 191.255.255.255

D. 224.0.0.0 to 239.255.255.255

Answer: Option A

Solution (By JKSSB Mock Tests)

Class C IP addresses use a first octet range from 192 to 223, commonly allocated for small-to-medium local networks.

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Question #1

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Which IP address class allocates the first two octets to identify the network portion and the remaining two octets for host devices, using a default mask of 255.255.0.0?

A. Class D

B. Class C

C. Class B

D. Class A

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Correct Answer: Option C

Explanation:
Class B addresses use a 16-bit network prefix, spanning an initial octet range from 128 to 191.

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Question #2

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What does the term broadcast domain mean?

A. A set of devices that can receive broadcast frames

B. A set of devices connected to a hub

C. A set of devices that share the same IP network

D. A set of devices that can collide

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Correct Answer: Option A

Explanation:
A broadcast domain is a logical division where a broadcast frame sent by one device can reach all other devices.

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Question #3

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Which protocol is used to access and view web pages?

A. DNS

B. SMTP

C. HTTP

D. FTP

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Correct Answer: Option C

Explanation:
HTTP (Hypertext Transfer Protocol) is used for retrieving web pages.

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