The Logical Link Control sub-layer is a part of which of the following?

A.
The ISO/OSI Data Link layer.

B.
The Reference monitor.

C.
The Transport layer of the TCP/IP stack model.

D.
Change management control.

Explanation:
The ISO/OSI data link layer is divided into two functional sublayers: the Logical Link Control (LLC) and the
Media Access Control (MAC).
Incorrect Answers:
B: Logical Link Control is a sublayer of the Data link layer, and not part of the Reference monitor.
C: Logical Link Control is a sublayer of the Data link layer, and not part of the Transport layer.
D: Logical Link Control is a sublayer of the Data link layer, and not part of the Change management control.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 528