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Test your basic knowledge |
CISSP Security Architecture And Design
Start Test
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. System Architecture that separates system functionality into Hierarchical layers
Ring 0
The Common Criteria
A Layered Operating System Architecure
C1
2. The *-Property rule is refered to as ____________.
Erasable and Programmable Read-Only Memory (EPROM)
Totality of protection mechanisms
The "No write Down" Rule
Division B - Mandatory Protection
3. If an operating system permits executable objects to be used sequentially by multiple users without a refresh of the objects - what security problem is most likely to exist?
Disclosure of residual data
Subject to Object Model
attributability
First evaluation class
4. Users need to be Identified individually to provide more precise acces control and auditing functionality.
Be protected from modification
Compare the security labels
C2 - Controlled Access Protection
Ring 1
5. 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
Documentation - Orange Book
C2 - Controlled Access Protection
A security kernel
Its classification label (Top Secret - Secret or confidential)
6. What prevents a process from accessing another process' data?
International Standard 15408
Process isolation
A Base Register (Memory Management)
A1 - Rating
7. Can be erased - modified and upgraded.
The "No write Down" Rule
Constrained
Erasable and Programmable Read-Only Memory (EPROM)
Orange Book ratings
8. A is a form of EPROM - but its data storage can be erased and modified electrically by onboard programming circuitry and signals.
Clark-Wilson
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
Firmware
C1 - Discretionary Security Protection
9. Individual subjects must be uniquely identified.
The "No write Down" Rule
C2
Simple Integrity Axiom
Identification - Orange Book
10. What is called the formal acceptance of the adequacy of a system's overall security by management?
Protection Rings Support
B3
Accreditation
Orange Book B
11. Which is an ISO standard product evaluation criteria that supersedes several different criteria
Orange Book C
Division D - Minimal Protection
The Common Criteria
C1 - Discretionary Security Protection
12. When the address location that is specified in the program instruction contains the address of the final desired location.
Attributable data
Indirect addressing
Highly secure systems (B2 - B3 and A1)
Reduced Instruction Set Computers (RISC)
13. The Biba model (introduced in 1977) - The Sutherland model (published in 1986) - The Brewer-Nash model (published in 1989)
Firmware
Models concerned with integrity
A Limit Register (Memory Management)
Ring 2
14. In B2 Distinct address spaces must be provided to _________ - and a covert channel analysis is conducted. B2 adds assurance by adding requirements to the design of the system
Isolate processes
First evaluation class
Direct Addressing
Continuous protection - O/B
15. A logical form of separation used by secure computing systems - Processes are _____________ so that each cannot access objects outside its permitted domain
Constrained
Trusted hardware - Software and Firmware
Most commonly used approach
Division D - Minimal Protection
16. A set of objects that a subject is able to access
A Domain
Higher or equal to access class
The Strong star property rule
Integrity
17. The Orange Book describes four hierarchical levels to categorize security systems. Which levels require mandatory protection?
A and B
Real storage
The Integrity of data within applications
Certification
18. What does the simple integrity axiom mean in the Biba model?
Dominate the object's sensitivity label
*-Integrity Axiom
Life-cycle assurance - O/B
No read down
19. Bell-LaPadula model was proposed for enforcing access control in _____________________.
Government and military applications
Real storage
Multitasking
Swap Space
20. Each data object must contain a classification label and each subject must have a clearance label.
A Limit Register (Memory Management)
Prohibits
Sensitivity labels
B1 - Labeled Security
21. 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
A1 - Rating
Compare the security labels
Orange Book - B1
Controlling unauthorized downgrading of information
22. The Simple Security rule is refered to as______________.
C2 - Controlled Access Protection
The "No read Up" rule
All Mandatory Access Control (MAC) systems
Security Policy
23. In both the Bell-LaPadula and Biba Models if the word "* or Star is used - _______________.
Ring 3
Models concerned with integrity
The Rule is talking about writing
A security kernel
24. Components considered as part of the Trusted Computing Base (from the Orange Book) are?
Division C - Discretionary Protection
C1
C2
Trusted hardware - Software and Firmware
25. 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
The Red Book
Overt channel
The Common Criteria
26. A type of memory used for High-speed writing and reading activities.
C2
Security Policy - Orange Book
Cache Memory
Dedicated Security Mode
27. 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.
Prohibits
The Simple Security Property
A single classification and a Compartment Set
The Common Criteria
28. Used by Windows systems to reserve the "Swap Space"
Pagefile.sys file
Controlling unauthorized downgrading of information
The Monolithic Operation system Architecture
Government and military applications
29. 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
Prohibits
Documentation - Orange Book
The Biba Model
The National Computer Security Center (NCSC)
30. A nonvolatile storage media etc computer hard drive - floppy disks and CD-ROMs
Secondary Storage
Multitasking
Process isolation
Controls the checks
31. The Orange book requires protection against two_____________ - which are these Timing and Storage
No read down
Simple Security Rule
Types of covert channels
B1 - Labeled Security
32. B1 is the ___________________ of the Trusted Network Interpretation (TNI) or TCSEC that offers labeled security protection.
First evaluation class
Trusted Products Evaluation Program (TPEP)
The Red Book
Indirect addressing
33. I/O drivers and utilities
Ring 2
The Clark Wilson integrity model
Government and military applications
Access Matrix model
34. Mandatory Protection
Orange Book B
Orange Book A
Access Matrix model
Division C - Discretionary Protection
35. When a computer spends more time moving data from one small portion of memory to another THAN Actually processing the data
Virtual storage
Thrashing
The security perimeter
Division B - Mandatory Protection
36. The total(sum)combination of protection mechanisms within a computer system. The TCB includes hardware - software - and firmware.
Disclosure of residual data
The Trusted Computing Base (TCB)
Files - directories and devices
Bell-LaPadula Model
37. In the Orange Book - functionality and assurance are NOT _____________ as they are in the ITSEC and the Common Criteria.
Evaluated separately
Mandatory Access Control (MAC)
Life-cycle assurance - O/B
B2 - Structured Protection
38. Accreditation is the authorization by management to _____________________. This authorization may be either provisional or full.
A1 - Rating
B2 rating
Mandatory access control
Implement software or systems in a production environment
39. The Policy must be explicit and well defined and enforced by the mechanisms within the system
Security Policy - Orange Book
A security domain
Scalar processors
Protection Rings Support
40. 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 ___________.
Orange Book - A1
The Thread (memory Management)
Multitasking
The Red Book
41. Which in the Orange Book ratings represents the highest level of trust?
Orange Book - B1
Invocation Property
Direct Addressing
B2
42. In the Bell-LaPadula Model the Object's Label contains ___________________.
Its classification label (Top Secret - Secret or confidential)
Direct Addressing
Orange Book - B1
Reduced Instruction Set Computers (RISC)
43. 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
Orange Book - D
Discretionary Security Property (ds-property)
Indexed addressing
security protection mechanisms
44. The assignment of a specific individual to administer the security-related functions of a system.
Trusted facility management
First evaluation class
Sensitivity labels
The Monolithic Operation system Architecture
45. Which can be used as a covert channel?
Storage and timing
Physical security
Enforces the rules
Orange Book A
46. In both the Bell-LaPadula and Biba Models if the word "Simple is used ______________.
Constrained
Operational assurance requirements
First evaluation class
The rule is talking about "Reading"
47. 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.
Execution Domain
International Standard 15408
Security rating B
Orange Book ratings
48. A domain of trust that shares a single security policy and single management
A security domain
Enforces the rules
B2
Indirect addressing
49. In B2 Subjects and devices requre labels and the system must NOT allow ________. No Trapdoors exists.
Division B - Mandatory Protection Architecture
Orange Book - B2
Need-to-know
Covert channels
50. Contains the beginning address
Bell-LaPadula Model
Multitasking
The Red Book
A Base Register (Memory Management)