What is one issue NOT addressed by the Bell-LaPadula model?

A.
Information flow control

B.
Security levels

C.
Covert channels

D.
Access modes

Explanation:

As with any model, the Bell-LaPadula model has some weaknesses. These are the major ones. The
model considers normal channels of the information exchange and does not address covert
channels. -Ronald Krutz The CISSP PREP Guide (gold edition) pg 275-276