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.
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