A host is connected to a department network which is part of a university network. The university network, in turn, is part of the Internet. The largest network, in which the Ethernet address of the host is unique, is

1. Athe Internet
2. Bthe university network
3. Cthe department network
4. Dthe subnet to which the host belongs

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: A. the Internet

Explanation

Ethernet (MAC) addresses are assigned by manufacturers to be globally unique, so the host's address is unique across the Internet.