What Orange Book security rating is reserved for systems that have been evaluated but fail to meet the criteria and requirements of the higher divisions?
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A. B. C. D.B.
D or "minimal protection" is reserved for systems that were evaluated under the TCSEC but did not meet the requirements for a higher trust level.
A is incorrect.A or "Verified Protectection" is the highest trust level under the TCSEC.
E is incorrect.The trust levels are A - D so "E" is not a valid trust level.
F is incorrect.The trust levels are A - D so "F" is not a valid trust level.
CBK, pp.
329 - 330 - AIO3, pp.
302 - 306
The Orange Book is a publication of the U.S. Department of Defense that establishes a security evaluation criteria for computer systems, which is commonly referred to as the Trusted Computer System Evaluation Criteria (TCSEC). The Orange Book assigns a security rating to computer systems based on their level of security, with the highest rating being A and the lowest being F.
The Orange Book has five different security ratings, also known as divisions, that are defined as follows:
Therefore, the correct answer to the question is C. Division E is the Orange Book security rating that is reserved for systems that have been evaluated but fail to meet the criteria and requirements of the higher divisions.