Which choice below MOST accurately describes partitioned security mode?

A.
The only state in which certain privileged instructions may beexecuted.

B.
A system containing information accessed by personnel with different security clearances.

C.
All personnel have the clearance but not necessarily formal access approval.

D.
All personnel have the clearance and formal access approval.

Explanation:
A partitioned security mode is a mode of operation wherein all personnel have the clearance but not
necessarily formal access approval and need-to-know for all information contained in the system.
*Answer “All personnel have the clearance and formal access approval” is a compartmented security
modE. A compartmented security mode is a mode of operation wherein all personnel have a valid
personnel clearance, formal access approval and signed nondisclosure agreements, and valid needto-know for that information to which he/she is to have access. *Answer “The only state in which
certain privileged instructions may beexecuted” is executive statE. Executive state is one of several
states in which a system may operate and the only one in which certain privileged instructions may
be executeD. Such instructions cannot be executed when the system is operating in other (e.g., user)
states. Synonymous with supervisor state. *Answer “A system containing information accessed by
personnel with different security clearances” is multilevel securE. Multilevel secure is a class of
system containing information with different sensitivities that simultaneously permits access by
users with different security clearances and needs-to-know, but prevents users from obtaining
access to information for which they lack authorization. Source: DoD 5200.28-STD Department of
Defense Trusted Computer System Evaluation Criteria.