What scheme includes the requirement that the system maintain the separation of duty
requirement expressed in the access control triples?
A.
Bella
B.
Lattice
C.
Clark-Wilson
D.
Bell-LaPadula
Explanation:
Separation of duty is necessarily determined by conditions external to the computer system. The
Clark-Wilson scheme includes the requirement that the system maintain the separation of duty
requirement expressed in the access control triples. Enforcement is on a per-user basis, using the
user ID from the access control triple.