Which of the following is a hardware identification number that uniquely identifies a device?
A) IP domain name
B) MAC address
C) IPv4 address
D) IPv6 address

Question

Quizplus · Accepted Answer

MAC address is a unique identifier assigned to network interfaces for communications on the physical network segment. Unlike IP addresses, which can change based on the network configuration, a device's MAC address is a fixed hardware attribute.

Which of the Following Is a Hardware Identification Number That