Fill in the blank.
Use the cache to verify IPv4 address to Layer 2 Ethernet address mappings on a host computer.
Correct Answer: ARP
Explanation: The ARP cache is used to store IPv4 addresses and the Ethernet physical addresses or MAC addresses to which the IPv4 addresses are mapped. Incorrect mappings of IP addresses to MAC addresses can result in loss of end-to-end connectivity.
Exam with this question: CCNA 4 Chapter 8 Exam Answers
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