What part of a MAC address serves as the extension identifier, or device ID?
A) The first 24 bits of the MAC address.
B) The last 24 bits of the MAC address.
C) The first 12 bits of the MAC address.
D) The last 12 bits of the MAC address.

Question

Quizplus · Accepted Answer

The last 24 bits of a MAC address serve as the extension identifier or device ID, uniquely identifying the device within the manufacturer's network. This part is also known as the device or interface identifier.

What Part of a MAC Address Serves as the Extension