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CISSP Security Architecture And Design

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  • Answer 50 questions in 15 minutes.
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1. For a subject to have read access to an object in a Multi-Level Security Policy - it is necessary that the subject's sensitivity label must ____________________.

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2. Contains the beginning address






3. In both the Bell-LaPadula and Biba Models if the word "* or Star is used - _______________.






4. Minimal Security






5. Which is an ISO standard product evaluation criteria that supersedes several different criteria






6. Verification Protection






7. Discretionary access control is based on individuals and/or groups. It requires a separation of users and information and identification and authentication of individual entities






8. Operating System Kernel






9. A type of memory used for High-speed writing and reading activities.






10. Audit data must be captured and protected to enforce accountability






11. Which would be designated as objects on a MAC system?






12. This class ("Structured Protection") requires more stringent authentication mechanisms and well-defined interfaces between layers. Subjects and devices require labels and the system must not allow covert channels.






13. When the contents of the address defined in the program's instruction is added to that of an index register.






14. Includes the security kernel as well as other security-related system functions that are within the boundary of the trusted computing base. System elements that are outside of the security perimeter need not be trusted.






15. Which in the Orange Book ratings represents the highest level of trust?






16. Logical access control mechanisms are used to enforce authentication and the uniquenes of each individual's identification.






17. What is called the formal acceptance of the adequacy of a system's overall security by management?






18. Involves sharing the processor amoung all ready processes






19. Bell-LaPadula Model - ______________: A subject that has read and write capabilities can only perform those functions at the same security level - nothing higher and nothing lower.






20. What does the * (star) property mean in the Bell-LaPadula model?






21. Accreditation is the authorization by management to _____________________. This authorization may be either provisional or full.






22. Remaining parts of the operating system






23. What access control technique is also known as multilevel security?






24. The total combination of protection mechanisms within a computer system






25. Ensuring thta information does not flow from a higher security lever to a lower level in the Bell-LaPadula Model is referred to as ___________________ - which would take place through a "write down" operation. (An actual compromise occurs if and when






26. TCSEC addresses Confidentiality - but _____________ . The TCSEC focuses mainly on one attribute of Security Confidentiality.






27. The Bell-LaPaula Model's main goal was to ___________________ in an unauthorized manner. (Developed by the US gov)






28. TCSEC provides a means to evaluate ______________________.






29. 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?






30. The centerpiece of the DoD Rainbow Series publications.Developed by the National Computer Security Center (NCSC)?






31. The Biba Model - ______________: A Subject cannot write data to an object at a higher integrity level (No write Up)






32. Bell-LaPadula Model -______________: A subject in a given security level can NOT WRITE information to a LOWER security level.






33. For rhe type of environment that processes sensitive data that require a higher degree of security. It requires systems that are relatively resistant to peneration and compromise






34. Certification is a Technical review that assesses the _____________ - where as Accreditation is management's Official acceptance of the information in the Certification process findings.






35. Which computer design approaches is based on the fact that in earlier technologies - the instruction fetch was the longest part of the cycle






36. The hardware - firmware and software elements of a trusted computing base that implement the reference monitor concept.






37. Which describe a condition when RAM and Secondary storage are used together?






38. Bell-LaPadula model was proposed for enforcing access control in _____________________.






39. Should always trace to individuals responsible for observing and recording the data






40. The Biba Model - _____________: A subject cannot read data from a lower Integrity level " No Read Down"






41. Configuration management is also defined in the Orange Book BUT As a _____________________ and NOT an operational assurance requirement.






42. Buffer overflows occurs when a program or process tries to store more data in a _____________ than it was intended to hold.






43. The process of Evaluating the security stance of the software or system against a selected set of standards or policies. This may precede accreditation but is not a required precursor.






44. Developed after the Bell-LaPadula model. Its a state machine model and is very similar to the Bell-LaPadula Model.






45. The Red Book aka Trusted Network Interpretation (TNI) - provides _________________ for Trusted computer and communications network systems under the areas of assurance requirements






46. An imaginary line that separates the trusted components of the TCB from those elements that are NOT trusted?






47. The Bell-LaPadula Model is a _______________.






48. A system uses the Reference Monitor to ___________________ of a subject and an object?






49. The security kernel is the mechanism that _____________ of the reference monitor concept.






50. The C2 evaluation class of the _________________ offers controlled access protection.







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