A computer system that employs the necessary hardware and software assurance measures to
enable it to process multiple levels of classified or sensitive information is called a:

A.
Trusted system.

B.
Open system.

C.
Closed system.

D.
Safe system.

Explanation:
The correct answer is Trusted system, by definition of a trusted system. Answers Closed system and
Open system refer to open, standard information on a product as opposed to a closed or proprietary
product. Answer Safe system is a distracter.