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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 B2 Distinct address spaces must be provided to _________ - and a covert channel analysis is conducted. B2 adds assurance by adding requirements to the design of the system






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






3. 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.






4. Can be erased - modified and upgraded.






5. 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?






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






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






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






9. As per FDA data should be ______________________________.






10. The Policy must be explicit and well defined and enforced by the mechanisms within the system






11. Another word for Primary storage and distinguishes physical memory from virtual memory.






12. Bell-LaPadula - ______________: This rule is based on named subjects and objects. It specifies that specific permissions allow a subject to pass on permissions to pass on permissions at its own discretion. These permissions are stored in an access ma






13. What is defined as the hardware - firmware and software elements of a trusted computing base that implement the reference monitor concept?






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






15. 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






16. 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.






17. Involves sharing the processor amoung all ready processes






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






20. 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.






21. 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.






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






23. The Physical memory address that the CPU uses






24. Which integrity model defines a constrained data item - an integrity verification procedure and a transformation procedure?






25. 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






26. 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






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






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






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






30. Which evaluation class of the Trusted Network Interpretation (TNI) offers security domains?






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






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






33. Execute one instruction at a time.






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






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






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






37. Which Orange Book evaluation level is described as "Discretionary Security Protection"?






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






39. Requires more stringent authentication mechanisms and well-defined interfaces among layers.






40. 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.






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






42. The total(sum)combination of protection mechanisms within a computer system. The TCB includes hardware - software - and firmware.






43. 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.






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






45. Operating System Kernel






46. Each data object must contain a classification label and each subject must have a clearance label.






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






48. 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.






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






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