Which of the following buses are elements of the Intelligent Management Bus (IMB)?

A.
Intelligent Platform Management Bus (IPMB)

B.
Intelligent Chassis Management Bus (ICMB)

C.
Both of the above

D.
None of the above

Explanation:
The Intelligent Management Bus (IMB) provides an extension connector for routing

throughout the chassis, and to additional servers, thereby enabling inter-server communications. The Intelligent Platform Management Bus (IPMB) is the local serial bus running throughout the server chassis, and the Intelligent Chassis Management Bus (ICMB) provides inter-chassis communications between different server platforms.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 421-422.