We have a multilevel security policy (mandatory access control) using the BLP model with the following security levels: Top-secret, Secret, Confidential, Unclassified. Which one of the following statements is TRUE:

Question

Accepted Answer

A user from level  Confidential   cannot  write documents in level  Unclassified .

Answer

A user from level  Secret   can  write documents in level  Confidential .

Answer

A user from level  Secret   cannot  write documents in level  Top-secret .

Answer

A user from level  Confidential   cannot  read documents in level  Unclassified .

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We have a multilevel security policy (mandatory access control) using the BLP mo...

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