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Question 55 - HPE6-A85 discussion

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Describe the functionality of ARP.

A.
Clients do not have an ARP cache and always ask for the default gateway.
Answers
A.
Clients do not have an ARP cache and always ask for the default gateway.
B.
ARP maps MAC addresses to switch ports.
Answers
B.
ARP maps MAC addresses to switch ports.
C.
ARP maps layer-3 IP addresses to layer-2 MAC addresses.
Answers
C.
ARP maps layer-3 IP addresses to layer-2 MAC addresses.
D.
ARP uses multicast to build the ARP table.
Answers
D.
ARP uses multicast to build the ARP table.
Suggested answer: C

Explanation:

The Address Resolution Protocol (ARP) is used to map layer-3 IP addresses to layer-2 MAC addresses. When a device on a network wants to communicate with another device, it uses ARP to find the MAC address that corresponds to the IP address it wishes to communicate with, allowing it to construct a frame for the local network.

asked 16/09/2024
PHINIT LAORUNGRUANGDECH
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