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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. Which Orange Book evaluation level is described as "Discretionary Security Protection"?
Types of covert channels
Overt channel
Trusted facility management
C1
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
Thrashing
Primary storage
security protection mechanisms
Controlling unauthorized downgrading of information
3. Simpler instructions that require fewer clock cycles to execute.
Need-to-know
Security rating B
Trusted hardware - Software and Firmware
Reduced Instruction Set Computers (RISC)
4. In the Bell-LaPadula Model the Object's Label contains ___________________.
B3
Its classification label (Top Secret - Secret or confidential)
Buffer (temporary data storage area)
B3 - Rating
5. 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
Documentation - Orange Book
International Standard 15408
The Clark Wilson integrity model
Security Policy is clearly defined and documented
6. In ______________ the subject must have: Need to Know for ALL the information contained within the system.
Dedicated Security Mode
Reduced Instruction Set Computers (RISC)
Invocation Property
C2
7. The Biba Model - ______________: A subject cannot request service (invoke) to subjects of higher integrity
Trusted Products Evaluation Program (TPEP)
Life-cycle assurance - O/B
Indexed addressing
Invocation Property
8. A type of memory used for High-speed writing and reading activities.
Cache Memory
Buffer (temporary data storage area)
B1
Pipelining
9. Which Orange Book evaluation level is described as "Verified Design"?
Security Policy - Orange Book
The security perimeter
Networks and Communications
A1
10. A logical form of separation used by secure computing systems - Processes are _____________ so that each cannot access objects outside its permitted domain
C2 - Controlled Access Protection
Clark-Wilson
Constrained
The Clark Wilson integrity model
11. The Orange Book describes four hierarchical levels to categorize security systems. Which levels require mandatory protection?
A and B
Files - directories and devices
Orange Book - B1
B2 - Structured Protection
12. The omission of networks and network components in the TCSEC was recognized and addressed in the "Trusted Network Interpretation of the TCSEC" otherwise known as ___________.
The Red Book
Accreditation
B2
System High Security Mode
13. Operating System Kernel
Ring 0
Stored in Reak Memory
Its Clearance Label (Top Secret - Secret - or Confidential)
Multiprocessing
14. Applications and user activity
Primary storage
Indexed addressing
Totality of protection mechanisms
Ring 3
15. Audit data must be captured and protected to enforce accountability
Isolate processes
Accountability - Orange Book
Examples of Layered Operating Systems
The Evaluated Products List (EPL) with their corresponding rating
16. The Bell-LaPadula Model is a _______________ that enforces Confidentiality aspect of access control. Formed by David Bell and Leonard LaPadula.
C2
Access control to the objects by the subjects
TCB (Trusted Computing Base)
State machine model
17. Remaining parts of the operating system
A and B
Controlling unauthorized downgrading of information
Ring 1
Thrashing
18. A nonvolatile storage media etc computer hard drive - floppy disks and CD-ROMs
Secondary Storage
Stored in Reak Memory
Higher or equal to access class
State machine model
19. The centerpiece of the DoD Rainbow Series publications.Developed by the National Computer Security Center (NCSC)?
Multiprocessing
Higher or equal to access class
The TCSEC - Aka Orange Book
Direct addressing
20. 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?
Assigned labels
An abstract machine
Bell-LaPadula Model
C2 - Controlled Access Protection
21. Bell-LaPadula Model -______________: A subject in a given security level can NOT WRITE information to a LOWER security level.
The *-Property rule (Star property)
Security Policy is clearly defined and documented
Examples of Layered Operating Systems
Scalar processors
22. Minimal Security
Clark-Wilson
Orange Book - D
Be protected from modification
Ring 0
23. Another word for Primary storage and distinguishes physical memory from virtual memory.
Real storage
The "No read Up" rule
Direct addressing
Relative Addresses
24. If a system initializes in a secure state and all allowed state transitions are secure - the every subsequent state will be secure no matter what inputs occur.
Constrained
Attributable - original - accurate - contemporaneous and legible
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
Basic Security Theorem (used in computer science) definition
25. Contains an Address of where the instruction and dara reside that need to be processed.
Mandatory access control
The Thread (memory Management)
Security Policy
Higher or equal to access class
26. When the contents of the address defined in the program's instruction is added to that of an index register.
A Layered Operating System Architecure
B2 rating
Indexed addressing
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
27. In both the Bell-LaPadula and Biba Models if the word "Simple is used ______________.
Subject to Object Model
The rule is talking about "Reading"
Ring 3
Division D - Minimal Protection
28. In B2 Subjects and devices requre labels and the system must NOT allow ________. No Trapdoors exists.
B1 - Labeled Security
Covert channels
First evaluation class
State machine model
29. Trusted facility management is an assurance requirement only for ________________.
Orange Book - D
Highly secure systems (B2 - B3 and A1)
Ring 1
Constrained
30. Which computer design approaches is based on the fact that in earlier technologies - the instruction fetch was the longest part of the cycle
Complex Instruction Set Computers (CISC)
Trusted facility management
The Clark Wilson integrity model
C1 - Discretionary Security Protection
31. 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.
security protection mechanisms
Orange Book - B3
Its classification label (Top Secret - Secret or confidential)
Division D - Minimal Protection
32. What does the simple security (ss) property mean in the Bell-LaPadula model?
No read up
Security rating B
Multiprocessing
Orange Book C
33. In the Orange Book - functionality and assurance are NOT _____________ as they are in the ITSEC and the Common Criteria.
The Integrity of data within applications
Real storage
Evaluated separately
Government and military applications
34. 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.
B3 - Security Domains
The TCSEC - Aka Orange Book
All Mandatory Access Control (MAC) systems
Examples of Layered Operating Systems
35. A system uses the Reference Monitor to ___________________ of a subject and an object?
TCB (Trusted Computing Base)
Compare the security labels
Trusted facility management
The Security Kernel
36. The Bell-LaPadula Model is a _______________.
Pagefile.sys file
No read down
Subject to Object Model
Orange Book interpretations
37. In access control terms - the word "dominate" refers to ___________.
Higher or equal to access class
The Thread (memory Management)
The Common Criteria
Totality of protection mechanisms
38. 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?
Indirect addressing
D
Direct addressing
The Red Book
39. For a subject to have read access to an object in a Multi-Level Security Policy - it is necessary that the subject's sensitivity label must ____________________.
40. The biggest difference between System High Security Mode and Dedicated Security Mode is: ______.
The Trusted Computing Base (TCB)
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
Primary storage
Need-to-know
41. The Orange book requires protection against two_____________ - which are these Timing and Storage
Security Policy
Types of covert channels
Programmable Read-Only Memory (PROM)
Secondary Storage
42. The reference monitor - in accordance with the security policy - ____________ that are made in the access control database.
Most commonly used approach
Trusted facility management
Orange Book A
Controls the checks
43. Accreditation is also defined as an ____________________ by a designated authority that an information system is approved to operate in a particular security configuration with a prescribed set of safeguards
Trusted Network Interpretation (TNI)
Implement software or systems in a production environment
Buffer overflows
Administrative declaration
44. 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.
Assigned labels
B3
The Thread (memory Management)
Execution Domain
45. When a computer uses more than one CPU in parallel to execute instructions is known as?
A Thread
Scalar processors
Multiprocessing
Dedicated Security Mode
46. I/O drivers and utilities
Scalar processors
The Strong star property rule
Ring 2
B2 - Structured Protection
47. When a vendor submits a product for evaluation - it submits it to the ____________.
Orange Book - B2
Simple Integrity Axiom
The trustworthiness of an information system
The National Computer Security Center (NCSC)
48. A is a form of EPROM - but its data storage can be erased and modified electrically by onboard programming circuitry and signals.
C2 - Controlled Access Protection
Models concerned with integrity
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
A Limit Register (Memory Management)
49. Documentation must be provided - including test - design - and specification document - user guides and manuals
Documentation - Orange Book
The Evaluated Products List (EPL) with their corresponding rating
The National Computer Security Center (NCSC)
Firmware
50. Discretionary protection
A1
Orange Book C
Orange Book A
Overt channel