Question $8(1$ point$)$

High security mode applies:

directly or by proxy, to access certain privileged objects

When all users have a clearance or authorization to access specified information systems, regardless of need to know.

to high$-$risk subjects and high$-$sensitivity objects.

when a threat is defected.

Question $9(1$ point$)$

Multilevel security mode permits which of the following?

People with different access credentials to access different classification levels of information through the same mechanism

Threat detection through defense$-$in$-$depth

Direct or proxy access of certain privileged objects by specified subjects

High$-$risk subjects to access high$-$sensitivity objects safely

Question $10(1$ point$)$

An essential concept in transactional security models such as Clark and Wilson then, is that

an operation must be completed immediately.

an operation must be well$-$formed

an operation must be rolled$-$back if incomplete

an operation must be controlled using RBAC