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Test your basic knowledge |
CISSP Security Architecture And Design
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Study First
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
.
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. In ______________ the subject must have: Need to Know for ALL the information contained within the system.
Polyinstantiation
Multitasking
Operational assurance requirements
Dedicated Security Mode
2. 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 - Discrection Security Protection is a type of environment
Direct addressing
Stored in Reak Memory
Continuous protection - O/B
3. 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
Discretionary Security Property (ds-property)
Direct Addressing
Indexed addressing
A and B
4. System Architecture that separates system functionality into Hierarchical layers
Assigned labels
B3 - Security Domains
A Layered Operating System Architecure
Controls the checks
5. The *-Property rule is refered to as ____________.
B2
The "No write Down" Rule
Simple Security Rule
Complex Instruction Set Computers (CISC)
6. Which addresses a portion of the primary memory by specifying the actual address of the memory location?
Protection Rings Support
Direct Addressing
Trusted Network Interpretation (TNI)
C2 - Controlled Access Protection
7. The subject must have Need to Know for ONLY the information they are trying to access.
System High Security Mode
NOT Integrity
C2 - Controlled Access Protection
Secondary Storage
8. Logical access control mechanisms are used to enforce authentication and the uniquenes of each individual's identification.
C2 - Controlled Access Protection
Clark-Wilson
C2
Direct addressing
9. TCSEC provides a means to evaluate ______________________.
The Rule is talking about writing
No read up
Physical security
The trustworthiness of an information system
10. The Bell-LaPadula Model is a _______________.
Mandatory Access Control (MAC)
Ring 3
Subject to Object Model
Implement software or systems in a production environment
11. I/O drivers and utilities
Assigned labels
Ring 2
Orange Book - B3
C1 - Discretionary Security Protection
12. The Availability - Integrity and confidentiality requirements of multitasking operating systems
Most commonly used approach
Fail safe
Protection Rings Support
The Integrity of data within applications
13. The Biba model (introduced in 1977) - The Sutherland model (published in 1986) - The Brewer-Nash model (published in 1989)
International Standard 15408
Bell-LaPadula Model
Documentation - Orange Book
Models concerned with integrity
14. This type of environment is highly secured environment that processes very sensitive information. It requires systems that are highly resistant to penetration.
The TCSEC - Aka Orange Book
Dominate the object's sensitivity label
A lattice of Intergrity Levels
B3 - Rating
15. Which TCSEC level first addresses object reuse?
The "No write Down" Rule
The security kernel
Simple Integrity Axiom
C2
16. TCB contains The Security Kernel and all ______________.
security protection mechanisms
Virtual storage
A lattice of Intergrity Levels
Accreditation
17. What is called the formal acceptance of the adequacy of a system's overall security by management?
Disclosure of residual data
Prevent secret information from being accessed
No write down
Accreditation
18. An abstract machine which must mediate all access to subjects to objects - be protected from modification - be verifiable as correct - and is always invoked
The Common Criteria
C1 - Discrection Security Protection is a type of environment
The reference monitor
*-Integrity Axiom
19. Which would be designated as objects on a MAC system?
System High Security Mode
Files - directories and devices
Disclosure of residual data
Secondary Storage
20. All users have a clearance for and a formal need to know about - all data processed with the system.
Discretionary Security Property (ds-property)
Dedicated Security Mode
The trustworthiness of an information system
Programmable Read-Only Memory (PROM)
21. When a computer spends more time moving data from one small portion of memory to another THAN Actually processing the data
The National Computer Security Center (NCSC)
Thrashing
Virtual Memory
Erasable and Programmable Read-Only Memory (EPROM)
22. In access control terms - the word "dominate" refers to ___________.
Higher or equal to access class
Ring 2
Indirect addressing
Attributable - original - accurate - contemporaneous and legible
23. Can be erased - modified and upgraded.
Relative Addresses
Erasable and Programmable Read-Only Memory (EPROM)
Enforces the rules
An abstract machine
24. To ensure that the Trusted Computing Base is not tampered with during shipment or installation.
Division C - Discretionary Protection
Trusted Distribution
B1 - Labeled Security rating
Trusted hardware - Software and Firmware
25. Which in the Orange Book ratings represents the highest level of trust?
Security rating B
Swap Space
The Red Book
B2
26. The reference monitor - in accordance with the security policy - ____________ that are made in the access control database.
Controls the checks
A Layered Operating System Architecure
B2 rating
Prohibits
27. The group that oversees the processes of evaluation within TCSEC is?
Trusted Products Evaluation Program (TPEP)
Its Clearance Label (Top Secret - Secret - or Confidential)
A Limit Register (Memory Management)
No write down
28. The total(sum)combination of protection mechanisms within a computer system. The TCB includes hardware - software - and firmware.
A lattice of Intergrity Levels
Absolute addresses
The Trusted Computing Base (TCB)
Clark-Wilson Model
29. According to the Orange Book - trusted facility management is not required for which security levels?
Identification - Orange Book
Pipelining
Trusted Network Interpretation (TNI)
B1
30. Bell-LaPadula model was proposed for enforcing access control in _____________________.
Government and military applications
Life-cycle assurance - O/B
The "No read Up" rule
A1
31. A Policy based control. All objects and systems have a sensitivity level assigned to them
A1 - Rating
Files - directories and devices
The Strong star property rule
Mandatory Access Control (MAC)
32. The security mechanisms and the system as a whole must perform predictably and acceptably in different situations continuously.
C1 - Discretionary Security Protection
Covert channels
Continuous protection - O/B
In C2 - Controlled Access Protection environment
33. Subjects and Objects cannot change their security levels once they have been instantiated (created)
security protection mechanisms
The Tranqulity principle (The Bell-LaPadula Model)
Models concerned with integrity
Multilevel Security Policies
34. 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
Controlling unauthorized downgrading of information
Examples of Layered Operating Systems
The Evaluated Products List (EPL) with their corresponding rating
Subject to Object Model
35. The TCB is the ________________ within a computer system that work together to enforce a security policy.
Orange Book C
Totality of protection mechanisms
The Simple Security Property
Its Clearance Label (Top Secret - Secret - or Confidential)
36. 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
Clark-Wilson Model
Labels - Orange Book
Constrained
37. The Bell-LaPadula Model is a _______________ that enforces Confidentiality aspect of access control. Formed by David Bell and Leonard LaPadula.
State machine model
C1 - Discrection Security Protection is a type of environment
A security kernel
Security mechanisms and evalautes their effectivenes
38. Which describe a condition when RAM and Secondary storage are used together?
Virtual storage
Trusted hardware - Software and Firmware
Files - directories and devices
A Layered Operating System Architecure
39. The Indexed memory addresses that software uses
Security mechanisms and evalautes their effectivenes
Accreditation
Trusted Distribution
Logical addresses
40. 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.
Disclosure of residual data
A1 - Rating
The Common Criteria
Life-cycle assurance - O/B
41. When the RAM and secondary storage are combined the result is __________.
Virtual Memory
C2 - Controlled Access Protection
Overt channel
'Dominate'
42. The process of Evaluating the security stance of the software or system against a selected set of standards or policies. This may precede accreditation but is not a required precursor.
A and B
Execution Domain
Certification
Absolute addresses
43. 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.
Direct Addressing
Orange Book ratings
Prevent secret information from being accessed
Ring 2
44. In an automated system ________________ could be achieved by: A computer system designed to identify individuals responsible for any input.
attributability
The security kernel
Networks and Communications
Complex Instruction Set Computers (CISC)
45. The security kernel is the mechanism that _____________ of the reference monitor concept.
System High Security Mode
Enforces the rules
'Dominate'
A1 - Rating
46. Simpler instructions that require fewer clock cycles to execute.
Reduced Instruction Set Computers (RISC)
B3 - Rating
Constrained
B3
47. The Orange Book describes four hierarchical levels to categorize security systems. Which levels require mandatory protection?
Storage and timing
A and B
Trusted Network Interpretation (TNI)
Implement software or systems in a production environment
48. Contains the ending address
Cache Memory
A Limit Register (Memory Management)
The TCSEC - Aka Orange Book
Overt channel
49. 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
Division C - Discretionary Protection
Direct Addressing
C2
Orange Book A
50. Security is made up of: System administration - ________ - installation and configuration mechanisms within the environment - and other security issues.
B3 - Rating
Division D - Minimal Protection
B2
Physical security