中等ICT-NETW-011
An IP address is used to:
A. Identify a device on a network.✓ 答案
B. Replace a person's legal name on an identity card.
C. Prove that a song is free of copyright.
D. Validate that a mark is between 0 and 100.
解說
An IP address identifies a device so traffic can be delivered. It is not a copyright licence or a validation rule.