The Address Resolution Protocol (ARP) is used for –
2024
The Address Resolution Protocol (ARP) is used for –
- A.
finding the IP address from the DNS.
- B.
finding the IP address that corresponds to a MAC address.
- C.
finding the IP address of the default gateway.
- D.
finding the MAC address that corresponds to an IP address.
- E.
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Correct answer: D
The Address Resolution Protocol (ARP) is used in local networks to map:
IP address → MAC address
Devices know the IP address of the destination
But need the MAC address to deliver frames on the local network
ARP broadcasts a request and gets the MAC address in response