Choose the option(s) that describes the functions of the Emergency Management Port (EMP).

A.
The EMP provides remote systems management.

B.
The EMP can perform power up and power down remote operations.

C.
The EMP can be used to remotely access server diagnostic tools.

D.
All of the above

Explanation:
The Emergency Management Port (EMP) is a serial COM port that is set up to provide remote management, independently of the operating system type of the server. Each option details a function and capability of the Emergency Management Port.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 419-422.