Which of the following is a Class B private IP address range? MCQ with Answer and Explanation

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Which of the following is a Class B private IP address range?

A. 192.168.0.0 to 192.168.255.255

B. 172.16.0.0 to 172.31.255.255

C. 169.254.0.0 to 169.254.255.255

D. 10.0.0.0 to 10.255.255.255

Answer: Option B

Solution (By JKSSB Mock Tests)

172.16.0.0/12 is a Class B private range.

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What is the purpose of a proxy server?

A. To connect network segments

B. To assign IP addresses

C. To forward packets based on IP

D. To act as an intermediary for client requests to servers

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Correct Answer: Option D

Explanation:
A proxy server forwards requests and can provide caching, anonymity, and filtering.

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Question #2

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

A. RARP

B. ARP

C. DHCP

D. DNS

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Correct Answer: Option B

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

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Question #3

What is the main disadvantage of a bus topology?

A. Single point of failure in the backbone

B. High cost

C. Requires a central hub

D. Difficult to add new devices

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Correct Answer: Option A

Explanation:
In bus topology, if the main cable (backbone) fails, the entire network goes down.

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