The Address Resolution Protocol (ARP) is used for —

2018

The Address Resolution Protocol (ARP) is used for —

  1. A.

    finding the IP address from DNS

  2. B.

    finding the IP address of the default gateway

  3. C.

    finding the IP address that corresponds to a MAC address

  4. D.

    finding the MAC address that corresponds to an IP address

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Correct answer: D

ARP is used to map an IP address to its corresponding MAC address within a local network. When a device knows the IP address but needs the physical (MAC) address to send data on the LAN, ARP performs this resolution.

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