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CISSP Security Architecture And Design

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The security mechanisms and the system as a whole must perform predictably and acceptably in different situations continuously.






2. Best defined as a mode of system termination that automatically leaves system processes and components in a secure state when a failure occurs or is detected in the system?






3. Using TPs (Transformation Procedures) to modify CDIs (Constrained Data) items is refered to as Well-Formed transaction






4. A form of ROM(Read-Only Memory) that can be modified after it has been manufactured. It can only be programmed only one time.






5. The omission of networks and network components in the TCSEC was recognized and addressed in the "Trusted Network Interpretation of the TCSEC" otherwise known as ___________.






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






7. The Bell-LaPadula Model is a _______________.






8. The Biba model (introduced in 1977) - The Sutherland model (published in 1986) - The Brewer-Nash model (published in 1989)






9. B1 is the ___________________ of the Trusted Network Interpretation (TNI) or TCSEC that offers labeled security protection.






10. Documentation must be provided - including test - design - and specification document - user guides and manuals






11. Used by Windows systems to reserve the "Swap Space"






12. The type of environment that would require A1 systems is the most secure of secure environments. It deals with top-secret information and cannot adequately trust anyone using the systems without strict authentication - restrictions and auditing.






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






14. 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






15. In Access Control terms it means to be higher than or equal to. In the Bell-Lapadula Model - this is refered to as the dominance relation - which is the relationship of the subject's clearance to the object's classification

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






17. Subjects and Objects cannot change their security levels once they have been instantiated (created)






18. Which addresses a portion of the primary memory by specifying the actual address of the memory location?






19. Contains an Address of where the instruction and dara reside that need to be processed.






20. When a computer uses more than one CPU in parallel to execute instructions is known as?






21. In B1 the security policy is based on Informal statement and the design specifications are reviewed and verified where as in B2 the ___________________ - and the system design and implementation are subject to more thorough review and testing procedu






22. Minimal Security






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






24. The reference monitor is an access control concept - Referring to ________________ that mediates all accesses to objects by subjects based on information in an access control database.






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






27. Applications and user activity






28. System Architecture that separates system functionality into Hierarchical layers






29. The Security Kernel is the Core of The TCB and is the _____________ to building trusted computing systems.






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






31. 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.






32. Data in Cache can be accessed much more quickly than Data






33. Based on the Bell-LaPadula Security model - and evidence of reference monitor enforcement must be available.






34. A subject at a given clearance may not read an object at a higher classification






35. This type of environment is highly secured environment that processes very sensitive information. It requires systems that are highly resistant to penetration.






36. Mediates all access and Functions between subjects and objects.






37. In the Bell-LaPadula Model the Subject's Label contains ___________________.






38. Which Orange Book evaluation level is described as "Verified Design"?






39. In the Orange Book - functionality and assurance are NOT _____________ as they are in the ITSEC and the Common Criteria.






40. In the Bell-LaPadula Model the Object's Label contains ___________________.






41. The reserved hard drive space used to Extend RAM capabilities. Windows system use the pagefile.sys file to reserve this space






42. According to the Orange Book - which security level is the first to require a system to protect against covert timing channels?






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






44. The TCB is the ________________ within a computer system that work together to enforce a security policy.






45. Levels of Security and Levels of Trust Lower Letters of the alphabet represent higher levels of security. Higher numbers indicate a greater level of trust.






46. Mandatory Protection






47. Components considered as part of the Trusted Computing Base (from the Orange Book) are?






48. Contains the ending address






49. Users need to be Identified individually to provide more precise acces control and auditing functionality.






50. The combination of RAM - Cache and the Processor Registers







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