When a host shifts from one network to another, which of the following statements is true?

When a host shifts from one network to another, which of the following statements is true?
A . You must change its IP address and MAC address.
B . You must change its IP address, but not its MAC address.
C . You must change its MAC address, but not its IP address.
D . The MAC address and IP address do not need to be changed.

Answer: B