Question
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
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Q. In authorization graph if DBA provides authorization to u1 which in turn gives to u2 which of the following is correct ?
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