Multiple Choice Questions on In authorization graph if DBA provides authorization to u1 which inturn gives to u2 which of the fol........... for General Studies (Level 1) Preparation

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Multiple Choice Questions

In authorization graph if DBA provides authorization to u1 which inturn gives to u2 which of the fol...........

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

     If DBA revokes authorization from u1 then u2 authorization is also revoked

    Incorrect Answer

    If u1 revokes authorization from u2 then u2 authorization is revoked

    Incorrect Answer

     If DBA & u1 revokes authorization from u1 then u2 authorization is also revoked

    Correct Answer

    If u2 revokes authorization then u1 authorization is revoked

    Incorrect Answer
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    Explanation:

    Answer: c
    Explanation: A user has an authorization if and only if there is a path from the root of the authorization graph down to the node representing the user.

    By: Brijesh Kumar
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