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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. 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.






2. As per FDA data should be ______________________________.






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






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






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






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






7. Which can be used as a covert channel?






8. 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






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






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






11. Verification Protection






12. 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






13. The Bell-LaPadula Model is a _______________.






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






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






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






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






18. TCB contains The Security Kernel and all ______________.






19. 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.






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






21. 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.






22. 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?






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






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






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






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






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






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






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






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






31. Involves sharing the processor amoung all ready processes






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






33. The Availability - Integrity and confidentiality requirements of multitasking operating systems






34. The Biba Model adresses _____________________.






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






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






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






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






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






40. 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






41. The assignment of a specific individual to administer the security-related functions of a system.






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






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






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






45. 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.






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






47. 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.






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






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






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







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