Data Encapsulation — Test

Question 22 • Career Explorations II

What is the use of an NDP?

Answer

taking an IP address from a network layer and identifying the associated MAC address

finding other computers on the network

sending an error message if a packet gets lost due to a bad connection

identifying pointers at the other end of a network

Explanation

NDP (Neighbor Discovery Protocol) helps an IPv6 device find the link-layer address, usually a MAC address, associated with another device’s IP address on the local network. Therefore, choice A, “taking an IP address from a network layer and identifying the associated MAC address,” is the best answer.

AI-written and checked against the verified answer.

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