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Test your basic knowledge |
CISSP Security Architecture And Design
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Subjects
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certifications
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it-skills
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cissp
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
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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. An organization within the National Security Agency (NSA) is responsible for Evaluating computer systems and products. The Trusted Product Evaluation program (TPEP) oversees the testing by approved entities of commercial products against a specific s
Identification - Orange Book
The National Computer Security Center (NCSC)
Isolate processes
Overt channel
2. Logical access control mechanisms are used to enforce authentication and the uniquenes of each individual's identification.
C2 - Controlled Access Protection
Prohibits
The "No read Up" rule
Security Policy - Orange Book
3. Which uses Protection Profiles and Security Targets?
International Standard 15408
C2 - Controlled Access Protection
Ring 0
Scalar processors
4. Can be erased - modified and upgraded.
Identification - Orange Book
A1
Primary storage
Erasable and Programmable Read-Only Memory (EPROM)
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?
D
Ring 0
Absolute addresses
'Dominate'
6. An imaginary line that separates the trusted components of the TCB from those elements that are NOT trusted?
Subject to Object Model
The security perimeter
Operational assurance requirements
B3 - Rating
7. A domain of trust that shares a single security policy and single management
Security Policy is clearly defined and documented
Labels - Orange Book
*-Integrity Axiom
A security domain
8. The group that oversees the processes of evaluation within TCSEC is?
Trusted Products Evaluation Program (TPEP)
B3 - Rating
C2
Documentation - Orange Book
9. The Biba Model adresses _____________________.
Ring 1
B1 - Labeled Security
The Integrity of data within applications
Prevent secret information from being accessed
10. According to the Orange Book - which security level is the first to require a system to protect against covert timing channels?
Indirect addressing
B1
Overt channel
B3
11. The reserved hard drive space used to Extend RAM capabilities. Windows system use the pagefile.sys file to reserve this space
Swap Space
B2 rating
Examples of Layered Operating Systems
The Thread (memory Management)
12. The *-Property rule is refered to as ____________.
The Tranqulity principle (The Bell-LaPadula Model)
The "No write Down" Rule
Prohibits
Erasable and Programmable Read-Only Memory (EPROM)
13. Simpler instructions that require fewer clock cycles to execute.
Reduced Instruction Set Computers (RISC)
Life Cycle Assurance Requirement
Documentation - Orange Book
Access control to the objects by the subjects
14. A portion of a process. When the thread is generated - it shares the same domain(resources) as its process.
A Thread
Covert channels
First evaluation class
attributability
15. Intended for environments that require systems to handle classified data.
Mandatory access control
Stored in Reak Memory
B1 - Labeled Security rating
Physical security
16. 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.
Primary storage
Its Clearance Label (Top Secret - Secret - or Confidential)
Orange Book - B1
State machine model
17. All users have a clearance for and a formal need to know about - all data processed with the system.
B3
Networks and Communications
Security mechanisms and evalautes their effectivenes
Dedicated Security Mode
18. 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.
Be protected from modification
The Strong star property rule
The *-Property rule (Star property)
C1
19. The Red Book aka Trusted Network Interpretation (TNI) - provides _________________ for Trusted computer and communications network systems under the areas of assurance requirements
security protection mechanisms
Swap Space
Orange Book interpretations
A1
20. A set of objects that a subject is able to access
A Domain
The Integrity of data within applications
Buffer (temporary data storage area)
No read up
21. The TCB is the ________________ within a computer system that work together to enforce a security policy.
Totality of protection mechanisms
A Base Register (Memory Management)
Isolate processes
Clark-Wilson
22. Security Labels are not required until __________; thus C2 does not require security labels but B1 does
Security rating B
Higher or equal to access class
Ring 3
Pagefile.sys file
23. Which evaluation class of the Trusted Network Interpretation (TNI) offers security domains?
Mandatory Access Control (MAC)
B3
Enforces the rules
Isolate processes
24. A form of ROM(Read-Only Memory) that can be modified after it has been manufactured. It can only be programmed only one time.
Trusted hardware - Software and Firmware
Programmable Read-Only Memory (PROM)
Life Cycle Assurance Requirement
Its classification label (Top Secret - Secret or confidential)
25. Applications and user activity
Access Matrix model
Bell-LaPadula Model
Ring 3
International Standard 15408
26. The Biba model (introduced in 1977) - The Sutherland model (published in 1986) - The Brewer-Nash model (published in 1989)
Stored in Reak Memory
A security kernel
A and B
Models concerned with integrity
27. The subject must have Need to Know for ONLY the information they are trying to access.
Indirect addressing
Covert channels
System High Security Mode
Clark-Wilson
28. Mediates all access and Functions between subjects and objects.
The Security Kernel
Integrity
The Integrity of data within applications
The security perimeter
29. Subjects and Objects cannot change their security levels once they have been instantiated (created)
Security Policy is clearly defined and documented
The Tranqulity principle (The Bell-LaPadula Model)
The Trusted Computing Base (TCB)
Polyinstantiation
30. Developed after the Bell-LaPadula model. Its a state machine model and is very similar to the Bell-LaPadula Model.
Subject to Object Model
The Biba Model
NOT Integrity
Mandatory access control
31. A subject at a given clearance may not read an object at a higher classification
The Clark Wilson integrity model
The Simple Security Property
Its classification label (Top Secret - Secret or confidential)
Prohibits
32. What does the simple integrity axiom mean in the Biba model?
The National Computer Security Center (NCSC)
The TCSEC - Aka Orange Book
Division B - Mandatory Protection Architecture
No read down
33. Bell-LaPadula model was proposed for enforcing access control in _____________________.
B1
Government and military applications
Types of covert channels
Orange Book - D
34. Succesfully Evaluated products are placed on?
The Evaluated Products List (EPL) with their corresponding rating
Models concerned with integrity
C2
The security kernel
35. A Policy based control. All objects and systems have a sensitivity level assigned to them
B2
Bell-LaPadula Model
Mandatory Access Control (MAC)
Real storage
36. When a computer spends more time moving data from one small portion of memory to another THAN Actually processing the data
Constrained
Protection Rings Support
Thrashing
A Base Register (Memory Management)
37. In access control terms - the word "dominate" refers to ___________.
Higher or equal to access class
Secondary Storage
The Clark Wilson integrity model
Networks and Communications
38. 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.
Orange Book A
Access control to the objects by the subjects
Division D - Minimal Protection
A Base Register (Memory Management)
39. Accreditation is the authorization by management to _____________________. This authorization may be either provisional or full.
The *-Property rule (Star property)
Identification - Orange Book
Dedicated Security Mode
Implement software or systems in a production environment
40. Reference Monitor is responsible for ______________ it compares the security labels of a subject and an object
Access control to the objects by the subjects
Reduced Instruction Set Computers (RISC)
Totality of protection mechanisms
Its classification label (Top Secret - Secret or confidential)
41. When the address location that is specified in the program instruction contains the address of the final desired location.
Prohibits
Trusted hardware - Software and Firmware
Ring 3
Indirect addressing
42. B1 is the ___________________ of the Trusted Network Interpretation (TNI) or TCSEC that offers labeled security protection.
First evaluation class
System High Security Mode
Trusted Network Interpretation (TNI)
The reference monitor
43. Audit data must be captured and protected to enforce accountability
C1 - Discrection Security Protection is a type of environment
Accountability - Orange Book
Disclosure of residual data
B3
44. A nonvolatile storage media etc computer hard drive - floppy disks and CD-ROMs
Secondary Storage
C2 - Controlled Access Protection
Highly secure systems (B2 - B3 and A1)
Assigned labels
45. 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.
The Trusted Computing Base (TCB)
Access Matrix model
Clark-Wilson
Prohibits
46. Mandatory Access requires that _____________ be attached to all objects.
Swap Space
Sensitivity labels
B3 - Security Domains
Dominate the object's sensitivity label
47. What does the simple security (ss) property mean in the Bell-LaPadula model?
C1 - Discretionary Security Protection
No read up
All Mandatory Access Control (MAC) systems
Be protected from modification
48. Which describe a condition when RAM and Secondary storage are used together?
The "No read Up" rule
Bell-LaPadula Model
The "No write Down" Rule
Virtual storage
49. Permits a database to have two records that are identical except for Their classifications
Polyinstantiation
Security Policy - Orange Book
Clark-Wilson
The Simple Security Property
50. The C2 evaluation class of the _________________ offers controlled access protection.
Dedicated Security Mode
B2 rating
Trusted Network Interpretation (TNI)
Multilevel Security Policies