Which of the following statement is incorrect?

A. if a host moves from one network to another, its IP address must change

B. routing uses the network portion of the IP address, the path taken by packets travelling to a host with multiple IP addresses depends on the address used.

C. IP addresses encode both a network and a host on that network, they do not specify an individual machine, but a connection to a network.

D. All of the above

E. None of the above

Answer: Option D