The Brewer and Nash model was designed for what purpose?

A.
To provide access control that changes dynamically based upon what information or data a user has accessed previously

B.
How subjects and objects should be created and deleted, how access permissions can be securely transferred, and how to protect against conflicts of interest

C.
To enforce confidentiality

D.
To enforce integrity

Explanation:
The Brewer and Nash model, also called the Chinese Wall model, was
designed to establish access control mechanisms that can change dynamically. The
system is intended to prevent conflicts of interest between users who are accessing
the same system.