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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. 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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2. The Bell-LaPadula Model is a _______________ that enforces Confidentiality aspect of access control. Formed by David Bell and Leonard LaPadula.






3. The Biba Model is not concerned with security levels and confidentiality. It uses _________________.






4. TCSEC provides a means to evaluate ______________________.






5. The subject must have Need to Know for ONLY the information they are trying to access.






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






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






8. B3 is also called "Security Domains" and imposes more granularity in each protection mechanism.






9. When the address location that is specified in the program instruction contains the address of the final desired location.






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






11. Users are trusted but a certain level of accountability is required. C2 over is seen as the most reasonable class for commmercial applications - but the level of protection is still relatively weak.






12. Succesfully Evaluated products are placed on?






13. Intended for environments that require systems to handle classified data.






14. As per FDA data should be ______________________________.






15. What are the components of an object's sensitivity label?






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






17. Software - hardware and firmware must be able to be tested individually to ensure that each enforces the security policy in an effective manner throughout their lifetimes.






18. 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.






19. The Orange book does NOT Cover ________________ - And Database management systems






20. Which is a straightforward approach that provides access rights to subjects for objects?






21. A channel within a computer system or network that is designed for the authorized transfer of information is identified as a(n)?






22. The *-Property rule is refered to as ____________.






23. Access control labels must be associated properly with objects.






24. Security Policies that prevent information from flowing from a higher security level to a lower security level are called ____________.






25. The Orange book requires protection against two_____________ - which are these Timing and Storage






26. The Security Model Incorporates the ____________ that should be enforced in the system.






27. There is only only one class in Division D. Reserved for systems that have been evaluated but fail to meet the criteria and requirements of the higher divisions.






28. The first mathematical model of a multi-level security policy used to define the concept of a secure state - the modes of access - and rules for granting access?






29. When a portion of primary memory is accessed by specifying the actual address of the memory location






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






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






32. An abstract machine which must mediate all access to subjects to objects - be protected from modification - be verifiable as correct - and is always invoked






33. 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?






34. The Simple Security rule is refered to as______________.






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






36. In which users are processing information at the same sensitivity level; thus - strict access control and auditing measures are not required. It would be a trusted envirnment with low security concerns.






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






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






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






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






41. Bell-LaPadula Model - ____________ : A subject at a given security level can NOT READ data that reside at a higher security level.






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






43. Which increases the performance in a computer by overlapping the steps of different instructions?






44. 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.






45. In both the Bell-LaPadula and Biba Models if the word "Simple is used ______________.






46. The reference monitor - in accordance with the security policy - ____________ that are made in the access control database.






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






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






49. Happen because input data is not checked for appropriate length at time of input






50. The Bell-LaPadula Model is a _______________.