What specific task is performed by the Address Resolution Protocol (ARP) within a local area network segment? MCQ with Answer and Explanation

Question
What specific task is performed by the Address Resolution Protocol (ARP) within a local area network segment?
A. It routes data packets across separate internet gateways.
B. It maps a known logical IP address to a physical hardware MAC address.
C. It automatically assigns dynamic IP configurations to client devices.
D. It translates web domain names into IP paths.
Answer: Option B
Solution (By JKSSB Mock Tests)
ARP maps logical IP network targets to their physical MAC hardware addresses within a local data link layer segment.
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Question #1
Which device can be used to extend the length of a network segment by regenerating the signal?
A. Router
B. Switch
C. Gateway
D. Repeater
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Correct Answer: Option D

Explanation:
A repeater amplifies and regenerates signals to extend the distance of a network.
This question belongs to: Computer Computer Networking
Question #2
Which protocol is used for sending email between servers?
A. SMTP
B. POP3
C. IMAP
D. HTTP
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Correct Answer: Option A

Explanation:
SMTP (Simple Mail Transfer Protocol) is used for sending email from client to server and between servers.
This question belongs to: Computer Computer Networking
Question #3
What structural advantage does a full Mesh Topology layout offer compared to alternative network configurations?
A. It removes the requirement for hardware MAC profiles.
B. It minimizes physical cabling costs.
C. It provides maximum fault tolerance and reliability by establishing direct redundant connections between all nodes.
D. It can operate without network interface cards.
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Correct Answer: Option C

Explanation:
Because a full mesh topology links every device directly to every other device, a failed line can be easily bypassed using alternative redundant paths.
This question belongs to: Computer Computer Networking
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