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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. When a computer spends more time moving data from one small portion of memory to another THAN Actually processing the data






2. The _________________ specified in the Orange Book are: System architecture - System integrity - Covert channel analysis - Trusted facility management and Trusted recovery.






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






4. Minimal Security






5. A set of objects that a subject is able to access






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






7. n this class more granularity is provided in each protection mechanism - and the programming code that is not necessary to support the security policy is excluded.






8. In ______________ the subject must have: Need to Know for ALL the information contained within the system.






9. Which uses Protection Profiles and Security Targets?






10. Remaining parts of the operating system






11. Security Labels are not required until __________; thus C2 does not require security labels but B1 does






12. Execute one instruction at a time.






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






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






15. A Policy based control. All objects and systems have a sensitivity level assigned to them






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






17. A ring protection system ________: User mode programs from direct access to peripherals and requires them to make use of services running at more privileged levels.






18. Trusted facility management is an assurance requirement only for ________________.






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






20. The Physical memory address that the CPU uses






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






22. To ensure that the Trusted Computing Base is not tampered with during shipment or installation.






23. Contains the ending address






24. Discretionary protection






25. Commonly referred to as The Big Mess Because of its lack of structure. MS-DOS is an example of a monolithic operation system






26. If an operating system permits executable objects to be used sequentially by multiple users without a refresh of the objects - what security problem is most likely to exist?






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






28. Simpler instructions that require fewer clock cycles to execute.






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






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






31. A is a form of EPROM - but its data storage can be erased and modified electrically by onboard programming circuitry and signals.






32. 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






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






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






35. TCB contains The Security Kernel and all ______________.






36. B1 is also called "Labeled Security" and each data object must have a classification label and each subject a clearance label. On each access attempt - the classification and clearance are checked to verify that the access is permissible.






37. Which TCSEC level first addresses object reuse?






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






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






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






41. 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.






42. Which Orange Book evaluation level is described as "Controlled Access Protection"? - This class requires a more granular method of providing access control. The system must enforce strict logon procedures and provide decision-making capabilites when






43. Reference Monitor is responsible for ______________ it compares the security labels of a subject and an object






44. A process that resides in a privileged domain to be able to execute its instructions and process its data with the assurance that programs in a different domain can NOT negatively affect its environment.






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






46. 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.






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






48. 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.






49. The reference monitor must mediate all access - _____________ - be verifiable as correct - and must always be invoked.






50. All users have a clearance for and a formal need to know about - all data processed with the system.







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