The MAC sublayer of the Data Link layer does not ____.
A)ensure reliable communications by initiating a communications link between two nodes and then guarding them against interruptions to the link
B)examine the physical or device address information contained in each frame
C)regulate how multiple devices share communications on the same network
D)None of the above.

Question

Quizplus · Accepted Answer

The MAC sublayer of the Data Link layer is responsible for examining the physical or device address information contained in each frame and regulating how multiple devices share communications on the same network. It does not ensure reliable communications by initiating a communications link between two nodes and then guarding them against interruptions to the link, which is the responsibility of the LLC sublayer.

The MAC Sublayer of the Data Link Layer Does Not