Nokia
4A0-100 · Question #57
Which of the following best describes the function of an ARP cache within the same subnet?
The correct answer is D. Resolves the MAC address of a host device given its IP address. See the full explanation below for the reasoning.
Data Link Protocols
Question
Which of the following best describes the function of an ARP cache within the same subnet?
Options
- AUsed by IP to map an unknown IP address to the known hardware address of the distant host.
- BAdds only an IP address entry for an unknown device on the same subnet.
- CTransmits ICMP messages to multiple hosts with unknown IP addresses.
- DResolves the MAC address of a host device given its IP address.
How the community answered
(40 responses)- A5% (2)
- B3% (1)
- C10% (4)
- D83% (33)
Topics
#ARP cache#MAC address resolution#IP to MAC mapping#ARP
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