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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.
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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. Requires more stringent authentication mechanisms and well-defined interfaces among layers.
Certification
B2 - Structured Protection
Fail safe
Subject to Object Model
2. The total combination of protection mechanisms within a computer system
Simple Integrity Axiom
Accountability - Orange Book
TCB (Trusted Computing Base)
Most commonly used approach
3. 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
Models concerned with integrity
Subject to Object Model
Examples of Layered Operating Systems
C2
4. In both the Bell-LaPadula and Biba Models if the word "* or Star is used - _______________.
C1 - Discretionary Security Protection
The security perimeter
The Rule is talking about writing
Controlling unauthorized downgrading of information
5. The Bell-LaPadula Model is a _______________.
Subject to Object Model
All Mandatory Access Control (MAC) systems
Higher or equal to access class
Multitasking
6. Which would be designated as objects on a MAC system?
Ring 1
Orange Book - B2
Files - directories and devices
Disclosure of residual data
7. Permits a database to have two records that are identical except for Their classifications
Ring 0
Orange Book - B3
A1 - Rating
Polyinstantiation
8. Commonly referred to as The Big Mess Because of its lack of structure. MS-DOS is an example of a monolithic operation system
Relative Addresses
C2
The Monolithic Operation system Architecture
'Dominate'
9. When the RAM and secondary storage are combined the result is __________.
Virtual Memory
Trusted Distribution
Continuous protection - O/B
Division B - Mandatory Protection Architecture
10. B1 is the ___________________ of the Trusted Network Interpretation (TNI) or TCSEC that offers labeled security protection.
B1
Isolate processes
First evaluation class
Assigned labels
11. Mediates all access and Functions between subjects and objects.
The Security Kernel
Operational assurance requirements
The *-Property rule (Star property)
Virtual storage
12. 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
Orange Book C
A security domain
Files - directories and devices
13. Contains an Address of where the instruction and dara reside that need to be processed.
Overt channel
The Thread (memory Management)
Division B - Mandatory Protection Architecture
A Domain
14. Mandatory Protection
Highly secure systems (B2 - B3 and A1)
D
A and B
Orange Book B
15. The group that oversees the processes of evaluation within TCSEC is?
The Evaluated Products List (EPL) with their corresponding rating
Trusted Products Evaluation Program (TPEP)
Documentation - Orange Book
Real storage
16. The reference monitor must mediate all access - _____________ - be verifiable as correct - and must always be invoked.
The security perimeter
Ring 1
Enforces the rules
Be protected from modification
17. A system uses the Reference Monitor to ___________________ of a subject and an object?
Accountability - Orange Book
Compare the security labels
Execution Domain
In C2 - Controlled Access Protection environment
18. The Indexed memory addresses that software uses
Logical addresses
Controlling unauthorized downgrading of information
Accountability - Orange Book
Mandatory Access Control (MAC)
19. THE (Technische Hogeschool Eindhoven) - VAX/VMS - Multics and Unix . THE and Multics are no longer in use
A1 - Rating
Examples of Layered Operating Systems
Programmable Read-Only Memory (PROM)
A1
20. The subject must have Need to Know for ONLY the information they are trying to access.
System High Security Mode
Multitasking
C2
attributability
21. Ssoftware that is stored within ROM (Read-Only Memory) - (ROM is nonvolatile)
Orange Book - B1
Buffer (temporary data storage area)
The TCSEC - Aka Orange Book
Firmware
22. TCSEC addresses Confidentiality - but _____________ . The TCSEC focuses mainly on one attribute of Security Confidentiality.
NOT Integrity
The Trusted Computing Base (TCB)
The Simple Security Property
Continuous protection - O/B
23. 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
Need-to-know
The Strong star property rule
Isolate processes
Discretionary Security Property (ds-property)
24. Users are trusted but a certain level of accountability is required. C2 over is seen as the most reasonable class for commmercial applications - but the level of protection is still relatively weak.
Models concerned with integrity
The Biba Model
In C2 - Controlled Access Protection environment
The Red Book
25. Intended for environments that require systems to handle classified data.
B1 - Labeled Security rating
Multiprocessing
A1
Operational assurance requirements
26. A channel within a computer system or network that is designed for the authorized transfer of information is identified as a(n)?
C1 - Discrection Security Protection is a type of environment
Thrashing
Overt channel
C2 - Controlled Access Protection
27. 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
The Red Book
Examples of Layered Operating Systems
No write down
Administrative declaration
28. According to the Orange Book - trusted facility management is not required for which security levels?
Indexed addressing
B1
Ring 3
The Strong star property rule
29. Which is a straightforward approach that provides access rights to subjects for objects?
Access Matrix model
The Security Kernel
Overt channel
B1
30. The Bell-LaPaula Model's main goal was to ___________________ in an unauthorized manner. (Developed by the US gov)
Swap Space
International Standard 15408
Prevent secret information from being accessed
Life-cycle assurance - O/B
31. What is called the formal acceptance of the adequacy of a system's overall security by management?
Accreditation
The Biba Model
Overt channel
A single classification and a Compartment Set
32. Which is an ISO standard product evaluation criteria that supersedes several different criteria
The Common Criteria
Ring 1
The security perimeter
Identification - Orange Book
33. 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
Labels - Orange Book
C2 - Controlled Access Protection
B2 rating
34. What does the Clark-Wilson security model focus on
Integrity
Accountability - Orange Book
Ring 3
Covert channels
35. In ______________ the subject must have: Need to Know for ALL the information contained within the system.
B1 - Labeled Security rating
Orange Book interpretations
Dedicated Security Mode
Reduced Instruction Set Computers (RISC)
36. 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.
The Simple Security Property
B3 - Security Domains
The Common Criteria
Erasable and Programmable Read-Only Memory (EPROM)
37. What are the components of an object's sensitivity label?
A single classification and a Compartment Set
Orange Book - B2
Operational assurance requirements
A Layered Operating System Architecure
38. Which addresses a portion of the primary memory by specifying the actual address of the memory location?
Totality of protection mechanisms
Direct Addressing
C2
Storage and timing
39. Which evaluation class of the Trusted Network Interpretation (TNI) offers security domains?
Secondary Storage
The Trusted Computing Base (TCB)
B1 - Labeled Security
B3
40. Accreditation is the authorization by management to _____________________. This authorization may be either provisional or full.
The Rule is talking about writing
Implement software or systems in a production environment
The Strong star property rule
Simple Integrity Axiom
41. The Red Book aka Trusted Network Interpretation (TNI) - provides _________________ for Trusted computer and communications network systems under the areas of assurance requirements
Orange Book - A1
A single classification and a Compartment Set
Prohibits
Orange Book interpretations
42. Based on the Bell-LaPadula Security model - and evidence of reference monitor enforcement must be available.
B1
A single classification and a Compartment Set
Division B - Mandatory Protection Architecture
attributability
43. 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
Direct Addressing
Controlling unauthorized downgrading of information
Administrative declaration
Physical security
44. 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
Trusted Products Evaluation Program (TPEP)
Need-to-know
The National Computer Security Center (NCSC)
Ring 0
45. To ensure that the Trusted Computing Base is not tampered with during shipment or installation.
Trusted Distribution
A Domain
Integrity
Virtual storage
46. The total(sum)combination of protection mechanisms within a computer system. The TCB includes hardware - software - and firmware.
Orange Book - D
The Trusted Computing Base (TCB)
Attributable - original - accurate - contemporaneous and legible
Clark-Wilson Model
47. The Reserved hard drive space used to to extend RAM capabilites.
No read up
A1 - Rating
Swap Space
B2 - Structured Protection
48. System Architecture that separates system functionality into Hierarchical layers
Orange Book B
'Dominate'
B2 - Structured Protection
A Layered Operating System Architecure
49. A subject at a given clearance may not read an object at a higher classification
The Simple Security Property
The *-Property rule (Star property)
The Common Criteria
Networks and Communications
50. The reference monitor - in accordance with the security policy - ____________ that are made in the access control database.
A Layered Operating System Architecure
First evaluation class
Orange Book - A1
Controls the checks
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