What is the purpose of the ARP cache? MCQ with Answer and Explanation

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What is the purpose of the ARP cache?

A. To store DHCP leases

B. To store recently resolved IP-to-MAC mappings

C. To store DNS records

D. To store routing tables

Answer: Option B

Solution (By JKSSB Mock Tests)

ARP cache holds IP-to-MAC address mappings to reduce ARP requests.

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Practice More Computer Networking Questions

Question #1

What is the full form of MAN?

A. Multiple Area Network

B. Massive Area Network

C. Metropolitan Area Network

D. Medium Area Network

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Correct Answer: Option C

Explanation:
MAN stands for Metropolitan Area Network, covering a city or large campus.

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Question #2

Which of the following is a non-routable (private) IP address?

A. 192.168.1.100

B. 1.1.1.1

C. 203.0.113.100

D. 8.8.8.8

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Correct Answer: Option A

Explanation:
192.168.x.x is private and not routable on the public Internet.

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Question #3

What is the purpose of a network bridge?

A. To connect a LAN to the internet

B. To assign IP addresses

C. To amplify signals

D. To connect two network segments and reduce traffic by filtering

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Correct Answer: Option D

Explanation:
Bridges filter and forward frames based on MAC addresses, connecting segments.

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