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CISSP Security Architecture And Design
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Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
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. Which increases the performance in a computer by overlapping the steps of different instructions?
No read up
C1
Pipelining
Orange Book - D
2. 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
The Common Criteria
Controlling unauthorized downgrading of information
Higher or equal to access class
B3 - Rating
3. The combination of RAM - Cache and the Processor Registers
No read up
Government and military applications
Multiprocessing
Primary storage
4. Which Orange Book evaluation level is described as "Verified Design"?
A1
Fail safe
Invocation Property
Firmware
5. Discretionary protection
A security domain
attributability
Orange Book C
B2 rating
6. 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.
Multiprocessing
Be protected from modification
Storage and timing
The Strong star property rule
7. Happen because input data is not checked for appropriate length at time of input
Cache Memory
Scalar processors
Division B - Mandatory Protection
Buffer overflows
8. Which is an ISO standard product evaluation criteria that supersedes several different criteria
Division B - Mandatory Protection Architecture
Scalar processors
The Common Criteria
Attributable - original - accurate - contemporaneous and legible
9. Access control labels must be associated properly with objects.
The TCSEC - Aka Orange Book
C2 - Controlled Access Protection
Labels - Orange Book
Access Matrix model
10. 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
Clark-Wilson
C1 - Discretionary Security Protection
Thrashing
The Tranqulity principle (The Bell-LaPadula Model)
11. Verification Protection
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
TCB (Trusted Computing Base)
Orange Book A
In C2 - Controlled Access Protection environment
12. 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.
Discretionary Security Property (ds-property)
Its Clearance Label (Top Secret - Secret - or Confidential)
Real storage
Orange Book ratings
13. 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.
C1 - Discretionary Security Protection
C1 - Discrection Security Protection is a type of environment
The Evaluated Products List (EPL) with their corresponding rating
Firmware
14. When the RAM and secondary storage are combined the result is __________.
The Red Book
C2
The Tranqulity principle (The Bell-LaPadula Model)
Virtual Memory
15. Based on a known address with an offset value applied.
Operational assurance requirements
C1 - Discrection Security Protection is a type of environment
A Base Register (Memory Management)
Relative Addresses
16. Which TCSEC level first addresses object reuse?
C2
Indirect addressing
Programmable Read-Only Memory (PROM)
International Standard 15408
17. 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
B2
Buffer overflows
The *-Property rule (Star property)
Discretionary Security Property (ds-property)
18. The subject must have Need to Know for ONLY the information they are trying to access.
Process isolation
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
A Thread
System High Security Mode
19. The Bell-LaPadula model Subjects and Objects are ___________.
Ring 0
No read up
Assigned labels
Relative Addresses
20. 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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21. Requires more stringent authentication mechanisms and well-defined interfaces among layers.
B2
C2
B2 - Structured Protection
State machine model
22. Which would be designated as objects on a MAC system?
Discretionary Security Property (ds-property)
No write down
Networks and Communications
Files - directories and devices
23. Bell-LaPadula Model -______________: A subject in a given security level can NOT WRITE information to a LOWER security level.
Process isolation
Ring 0
Overt channel
The *-Property rule (Star property)
24. What is called the formal acceptance of the adequacy of a system's overall security by management?
Government and military applications
Multiprocessing
Accreditation
C2 - Controlled Access Protection
25. The group that oversees the processes of evaluation within TCSEC is?
Sensitivity labels
Trusted Products Evaluation Program (TPEP)
Primary storage
Orange Book ratings
26. B3 is also called "Security Domains" and imposes more granularity in each protection mechanism.
The TCSEC - Aka Orange Book
Orange Book - B3
Pagefile.sys file
Execution Domain
27. What does the * (star) property mean in the Bell-LaPadula model?
The Simple Security Property
No write down
Its classification label (Top Secret - Secret or confidential)
Accountability - Orange Book
28. The reference monitor - in accordance with the security policy - ____________ that are made in the access control database.
All Mandatory Access Control (MAC) systems
Controls the checks
Types of covert channels
Trusted Distribution
29. The object reuse concept must also be invoked - meaning that any medium holding data must not contain any remnants of information after it is released for another subject to use. All data must be efficiently erased once the subject is doen with the m
Prohibits
Trusted Distribution
A security kernel
C2 - Controlled Access Protection
30. Individual subjects must be uniquely identified.
Physical security
C1
Programmable Read-Only Memory (PROM)
Identification - Orange Book
31. 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?
Clark-Wilson Model
attributability
Models concerned with integrity
Bell-LaPadula Model
32. THE (Technische Hogeschool Eindhoven) - VAX/VMS - Multics and Unix . THE and Multics are no longer in use
Examples of Layered Operating Systems
Complex Instruction Set Computers (CISC)
Assigned labels
Trusted facility management
33. Includes the security kernel as well as other security-related system functions that are within the boundary of the trusted computing base. System elements that are outside of the security perimeter need not be trusted.
The security perimeter
B2 rating
An abstract machine
Prevent secret information from being accessed
34. The Biba Model adresses _____________________.
Buffer (temporary data storage area)
B2 rating
The Integrity of data within applications
The Trusted Computing Base (TCB)
35. Security is made up of: System administration - ________ - installation and configuration mechanisms within the environment - and other security issues.
Integrity
The "No write Down" Rule
Physical security
The TCSEC - Aka Orange Book
36. In the Bell-LaPadula Model the Object's Label contains ___________________.
B2 - Structured Protection
A Domain
Buffer overflows
Its classification label (Top Secret - Secret or confidential)
37. The Reserved hard drive space used to to extend RAM capabilites.
The *-Property rule (Star property)
Swap Space
Firmware
The Trusted Computing Base (TCB)
38. Minimal Security
C2 - Controlled Access Protection
The Simple Security Property
Need-to-know
Orange Book - D
39. 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.
Networks and Communications
Security rating B
Security Policy
Execution Domain
40. What model use an access control triples and requires that the system maintain separation of duty ?
Orange Book interpretations
The Trusted Computing Base (TCB)
Enforces the rules
Clark-Wilson
41. Data in Cache can be accessed much more quickly than Data
Enforces the rules
Security Policy
Labels - Orange Book
Stored in Reak Memory
42. Trusted facility management is an assurance requirement only for ________________.
Identification - Orange Book
Trusted Network Interpretation (TNI)
Trusted Products Evaluation Program (TPEP)
Highly secure systems (B2 - B3 and A1)
43. Bell-LaPadula Model - ____________ : A subject at a given security level can NOT READ data that reside at a higher security level.
Simple Security Rule
State machine model
A security kernel
D
44. The _________________ specified in the Orange Book are: System architecture - System integrity - Covert channel analysis - Trusted facility management and Trusted recovery.
Division B - Mandatory Protection
Highly secure systems (B2 - B3 and A1)
Polyinstantiation
Operational assurance requirements
45. 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?
All Mandatory Access Control (MAC) systems
The security kernel
D
The Integrity of data within applications
46. What does the simple security (ss) property mean in the Bell-LaPadula model?
No read up
Subject to Object Model
A security domain
Highly secure systems (B2 - B3 and A1)
47. Users need to be Identified individually to provide more precise acces control and auditing functionality.
C2 - Controlled Access Protection
Orange Book - D
Basic Security Theorem (used in computer science) definition
State machine model
48. What prevents a process from accessing another process' data?
B3 - Rating
Process isolation
Protection Rings Support
security protection mechanisms
49. Which addresses a portion of the primary memory by specifying the actual address of the memory location?
Direct Addressing
attributability
Sensitivity labels
System High Security Mode
50. Which uses Protection Profiles and Security Targets?
The Rule is talking about writing
International Standard 15408
Life Cycle Assurance Requirement
The National Computer Security Center (NCSC)
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