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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. 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.






2. Mandatory Protection






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






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






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






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






7. Ssoftware that is stored within ROM (Read-Only Memory) - (ROM is nonvolatile)






8. 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






9. Execute one instruction at a time.






10. For rhe type of environment that processes sensitive data that require a higher degree of security. It requires systems that are relatively resistant to peneration and compromise






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






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






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






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






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






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






17. Permits a database to have two records that are identical except for Their classifications






18. Verification Protection






19. 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.






20. 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.






21. Which can be used as a covert channel?






22. 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.






23. In B2 Subjects and devices requre labels and the system must NOT allow ________. No Trapdoors exists.






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






25. Contains the beginning address






26. 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






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. 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.






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






30. The Orange Book describes four hierarchical levels to categorize security systems. Which levels require mandatory protection?






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






32. 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?






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






34. 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






35. In an automated system ________________ could be achieved by: A computer system designed to identify individuals responsible for any input.






36. A nonvolatile storage media etc computer hard drive - floppy disks and CD-ROMs






37. I/O drivers and utilities






38. A domain of trust that shares a single security policy and single management






39. 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






40. Which uses Protection Profiles and Security Targets?






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






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






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






44. TCB contains The Security Kernel and all ______________.






45. The Bell-LaPaula Model's main goal was to ___________________ in an unauthorized manner. (Developed by the US gov)






46. 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.






47. 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






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






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






50. Operating System Kernel






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