1.

In authorization graph, if DBA provides authorization to u1 which inturn gives to u2 which of the following is correct?

A. If DBA revokes authorization from u1 then u2 authorization is also revoked
B. If u1 revokes authorization from u2 then u2 authorization is revoked
C. If DBA & u1 revokes authorization from u1 then u2 authorization is also revoked
D. If u2 revokes authorization then u1 authorization is revoked
Answer» D. If u2 revokes authorization then u1 authorization is revoked


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