Which of the following statements best describes the Biba integrity model?
A. Subjects can read objects at a lower level but cannot write to objects at a higher level.
B. Subjects can't read objects at a lower level but can write to objects at a higher level.
C. Subjects can read objects at a lower level and can write to objects at a higher level.
D. Subjects can't read objects at a lower level and can't write to objects at a higher level.
Answer: D
Explanation: The Biba integrity model is an integrity model that uses a read-up, write-down approach so that subjects cannot read objects at lesser integrity and cannot write to objects of higher integrity.
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