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Test your basic knowledge |
CISSP Security Architecture And Design
Start Test
Study First
Subjects
:
certifications
,
it-skills
,
cissp
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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 is a straightforward approach that provides access rights to subjects for objects?
Models concerned with integrity
Access Matrix model
No read up
Implement software or systems in a production environment
2. Execute one instruction at a time.
Disclosure of residual data
Scalar processors
The Tranqulity principle (The Bell-LaPadula Model)
The Biba Model
3. A type of memory used for High-speed writing and reading activities.
Cache Memory
B3
Stored in Reak Memory
Execution Domain
4. 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.
Security rating B
Prohibits
B3
Division B - Mandatory Protection
5. 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.
Swap Space
Ring 1
B2 rating
Division D - Minimal Protection
6. Requires more stringent authentication mechanisms and well-defined interfaces among layers.
Access control to the objects by the subjects
No write down
B2 - Structured Protection
Highly secure systems (B2 - B3 and A1)
7. The biggest difference between System High Security Mode and Dedicated Security Mode is: ______.
Need-to-know
The Strong star property rule
Its Clearance Label (Top Secret - Secret - or Confidential)
Reduced Instruction Set Computers (RISC)
8. Applications and user activity
Accountability - Orange Book
Ring 3
Identification - Orange Book
Administrative declaration
9. 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)
The Integrity of data within applications
A Limit Register (Memory Management)
Thrashing
10. Components considered as part of the Trusted Computing Base (from the Orange Book) are?
Totality of protection mechanisms
Trusted hardware - Software and Firmware
Highly secure systems (B2 - B3 and A1)
Programmable Read-Only Memory (PROM)
11. Certification is a Technical review that assesses the _____________ - where as Accreditation is management's Official acceptance of the information in the Certification process findings.
Security mechanisms and evalautes their effectivenes
Swap Space
A security domain
Simple Security Rule
12. Configuration management is also defined in the Orange Book BUT As a _____________________ and NOT an operational assurance requirement.
Orange Book interpretations
State machine model
Life Cycle Assurance Requirement
Multiprocessing
13. 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
The Common Criteria
The National Computer Security Center (NCSC)
Overt channel
B2
14. Access control labels must be associated properly with objects.
Labels - Orange Book
Continuous protection - O/B
Be protected from modification
C1
15. TCSEC provides a means to evaluate ______________________.
The trustworthiness of an information system
Accreditation
Dedicated Security Mode
Buffer overflows
16. What is called the formal acceptance of the adequacy of a system's overall security by management?
Trusted Distribution
Polyinstantiation
Accreditation
No read down
17. According to the Orange Book - which security level is the first to require a system to protect against covert timing channels?
The Common Criteria
B3
No write down
Orange Book - B2
18. Discretionary protection
Bell-LaPadula Model
Clark-Wilson
Indexed addressing
Orange Book C
19. The Orange Book describes four hierarchical levels to categorize security systems. Which levels require mandatory protection?
B3 - Rating
*-Integrity Axiom
A and B
The Tranqulity principle (The Bell-LaPadula Model)
20. Ssoftware that is stored within ROM (Read-Only Memory) - (ROM is nonvolatile)
Life Cycle Assurance Requirement
Firmware
Covert channels
Security Policy - Orange Book
21. A Policy based control. All objects and systems have a sensitivity level assigned to them
The rule is talking about "Reading"
Isolate processes
Orange Book - D
Mandatory Access Control (MAC)
22. 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.
Pipelining
C1 - Discrection Security Protection is a type of environment
Documentation - Orange Book
Higher or equal to access class
23. A channel within a computer system or network that is designed for the authorized transfer of information is identified as a(n)?
Access Matrix model
Models concerned with integrity
Overt channel
Discretionary Security Property (ds-property)
24. Another word for Primary storage and distinguishes physical memory from virtual memory.
B3 - Rating
Orange Book ratings
Real storage
The TCSEC - Aka Orange Book
25. A portion of a process. When the thread is generated - it shares the same domain(resources) as its process.
C1
A Thread
Security Policy - Orange Book
C2 - Controlled Access Protection
26. The Bell-LaPaula Model's main goal was to ___________________ in an unauthorized manner. (Developed by the US gov)
Prevent secret information from being accessed
Orange Book C
Virtual storage
Types of covert channels
27. Subjects and Objects cannot change their security levels once they have been instantiated (created)
Virtual Memory
The Tranqulity principle (The Bell-LaPadula Model)
Direct addressing
System High Security Mode
28. All users have a clearance for and a formal need to know about - all data processed with the system.
Dedicated Security Mode
No read up
Controlling unauthorized downgrading of information
Division C - Discretionary Protection
29. An imaginary line that separates the trusted components of the TCB from those elements that are NOT trusted?
Division B - Mandatory Protection
Dedicated Security Mode
Virtual Memory
The security perimeter
30. B1 is the ___________________ of the Trusted Network Interpretation (TNI) or TCSEC that offers labeled security protection.
Orange Book C
A Layered Operating System Architecure
First evaluation class
Storage and timing
31. A domain of trust that shares a single security policy and single management
Ring 0
State machine model
A security domain
attributability
32. The Orange book requires protection against two_____________ - which are these Timing and Storage
Types of covert channels
Administrative declaration
Integrity
Orange Book A
33. When the address location that is specified in the program instruction contains the address of the final desired location.
B2
Indirect addressing
Implement software or systems in a production environment
The National Computer Security Center (NCSC)
34. Bell-LaPadula Model - ____________ : A subject at a given security level can NOT READ data that reside at a higher security level.
Orange Book A
Simple Security Rule
Division B - Mandatory Protection Architecture
Accountability - Orange Book
35. Security Policies that prevent information from flowing from a higher security level to a lower security level are called ____________.
The "No write Down" Rule
Multilevel Security Policies
Erasable and Programmable Read-Only Memory (EPROM)
Invocation Property
36. Which evaluation class of the Trusted Network Interpretation (TNI) offers security domains?
Trusted Network Interpretation (TNI)
All Mandatory Access Control (MAC) systems
Identification - Orange Book
B3
37. 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
The Clark Wilson integrity model
The security perimeter
Attributable - original - accurate - contemporaneous and legible
Security Policy is clearly defined and documented
38. The hardware - firmware and software elements of a trusted computing base that implement the reference monitor concept.
Execution Domain
Controls the checks
Constrained
The security kernel
39. Each data object must contain a classification label and each subject must have a clearance label.
Direct Addressing
Pipelining
A1 - Rating
B1 - Labeled Security
40. 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
The Thread (memory Management)
C2
Dominate the object's sensitivity label
Security mechanisms and evalautes their effectivenes
41. The Security Kernel is the Core of The TCB and is the _____________ to building trusted computing systems.
B3
The Thread (memory Management)
Ring 3
Most commonly used approach
42. Using TPs (Transformation Procedures) to modify CDIs (Constrained Data) items is refered to as Well-Formed transaction
A1 - Rating
Clark-Wilson Model
Covert channels
B3
43. Mandatory access control is enfored by the use of security labels.
Be protected from modification
Division B - Mandatory Protection
The Trusted Computing Base (TCB)
Its Clearance Label (Top Secret - Secret - or Confidential)
44. The TCB is the ________________ within a computer system that work together to enforce a security policy.
Disclosure of residual data
Scalar processors
Totality of protection mechanisms
A security kernel
45. 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 Evaluated Products List (EPL) with their corresponding rating
The security perimeter
Invocation Property
Trusted Network Interpretation (TNI)
46. 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
Administrative declaration
The Thread (memory Management)
Ring 0
Multilevel Security Policies
47. This type of environment is highly secured environment that processes very sensitive information. It requires systems that are highly resistant to penetration.
Life Cycle Assurance Requirement
Networks and Communications
B3 - Rating
The "No read Up" rule
48. The Biba Model - ______________: A Subject cannot write data to an object at a higher integrity level (No write Up)
*-Integrity Axiom
A1 - Rating
Dedicated Security Mode
Continuous protection - O/B
49. 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.
B2
Orange Book ratings
The Biba Model
B3 - Security Domains
50. The Physical memory address that the CPU uses
Absolute addresses
B2 rating
The *-Property rule (Star property)
Trusted hardware - Software and Firmware