What is the function of the Address Resolution Protocol (ARP)? MCQ with Answer and Explanation

Question
What is the function of the Address Resolution Protocol (ARP)?
A. Maps IP addresses to MAC addresses
B. Maps domain names to IP addresses
C. Maps MAC addresses to IP addresses
D. Maps ports to services
Answer: Option A
Solution (By JKSSB Mock Tests)
ARP resolves an IP address to a physical MAC address on the local network.
This question belongs to: Computer Computer Networking
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Practice More Computer Networking Questions

Question #1
What is the primary technical reason for the ongoing migration from traditional IPv4 address configurations to modern IPv6 address pools?
A. IPv4 lacks compatibility with wireless devices.
B. IPv4 requires manual analog modulation adjustments.
C. IPv4 cannot route multimedia payloads.
D. The 32-bit address space of IPv4 cannot provide enough unique addresses for the global volume of internet-connected devices.
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Correct Answer: Option D

Explanation:
The growth of internet-connected devices has exhausted the ~4.3 billion addresses available under the 32-bit IPv4 pool, necessitating the 128-bit capacity of IPv6.
This question belongs to: Computer Computer Networking
Question #2
What is a frame in networking?
A. Data unit at the application layer
B. Data unit at the transport layer
C. Data unit at the data link layer
D. Data unit at the network layer
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Correct Answer: Option C

Explanation:
A frame is the layer 2 PDU (Protocol Data Unit), encapsulating the packet with MAC addresses.
This question belongs to: Computer Computer Networking
Question #3
What is the maximum data rate of Fast Ethernet?
A. 10 Mbps
B. 1 Gbps
C. 100 Mbps
D. 10 Gbps
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Correct Answer: Option C

Explanation:
Fast Ethernet (100BASE-T) operates at 100 Mbps.
This question belongs to: Computer Computer Networking
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