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CISSP Security Architecture And Design
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Instructions:
Answer 50 questions in 15 minutes.
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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. The Policy must be explicit and well defined and enforced by the mechanisms within the system
Orange Book C
Security Policy - Orange Book
B3
The National Computer Security Center (NCSC)
2. The Orange Book describes four hierarchical levels to categorize security systems. Which levels require mandatory protection?
In C2 - Controlled Access Protection environment
A and B
Most commonly used approach
attributability
3. The security kernel is the mechanism that _____________ of the reference monitor concept.
D
Ring 3
Enforces the rules
Mandatory Access Control (MAC)
4. Which is an ISO standard product evaluation criteria that supersedes several different criteria
International Standard 15408
The Red Book
The Common Criteria
Trusted Products Evaluation Program (TPEP)
5. Which increases the performance in a computer by overlapping the steps of different instructions?
State machine model
Indexed addressing
Pipelining
Stored in Reak Memory
6. The TCB is the ________________ within a computer system that work together to enforce a security policy.
Ring 0
First evaluation class
Totality of protection mechanisms
Most commonly used approach
7. An imaginary line that separates the trusted components of the TCB from those elements that are NOT trusted?
A Layered Operating System Architecure
Orange Book interpretations
Direct addressing
The security perimeter
8. In both the Bell-LaPadula and Biba Models if the word "* or Star is used - _______________.
The Rule is talking about writing
First evaluation class
No read up
Government and military applications
9. Best defined as a mode of system termination that automatically leaves system processes and components in a secure state when a failure occurs or is detected in the system?
Fail safe
Virtual storage
A Layered Operating System Architecure
Reduced Instruction Set Computers (RISC)
10. Which describe a condition when RAM and Secondary storage are used together?
The Security Kernel
B3
Virtual storage
Security Policy
11. When a portion of primary memory is accessed by specifying the actual address of the memory location
Programmable Read-Only Memory (PROM)
Direct addressing
The "No write Down" Rule
Orange Book B
12. What access control technique is also known as multilevel security?
Evaluated separately
Mandatory access control
Physical security
Implement software or systems in a production environment
13. Applications and user activity
Security mechanisms and evalautes their effectivenes
Ring 3
The Evaluated Products List (EPL) with their corresponding rating
Reduced Instruction Set Computers (RISC)
14. Contains an Address of where the instruction and dara reside that need to be processed.
Orange Book B
B2
The Thread (memory Management)
Relative Addresses
15. Access control labels must be associated properly with objects.
Enforces the rules
Highly secure systems (B2 - B3 and A1)
State machine model
Labels - Orange Book
16. In both the Bell-LaPadula and Biba Models if the word "Simple is used ______________.
Types of covert channels
The Clark Wilson integrity model
B1
The rule is talking about "Reading"
17. 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?
Orange Book B
The Red Book
Bell-LaPadula Model
Life-cycle assurance - O/B
18. Can be erased - modified and upgraded.
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
Implement software or systems in a production environment
Accountability - Orange Book
Erasable and Programmable Read-Only Memory (EPROM)
19. Which is a straightforward approach that provides access rights to subjects for objects?
Access Matrix model
Life Cycle Assurance Requirement
B2
Direct Addressing
20. Execute one instruction at a time.
Security rating B
A lattice of Intergrity Levels
Protection Rings Support
Scalar processors
21. Accreditation is the authorization by management to _____________________. This authorization may be either provisional or full.
Subject to Object Model
Implement software or systems in a production environment
'Dominate'
The security perimeter
22. What does the simple security (ss) property mean in the Bell-LaPadula model?
Life-cycle assurance - O/B
No read up
Constrained
No read down
23. 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.
Secondary Storage
The rule is talking about "Reading"
A1 - Rating
Controlling unauthorized downgrading of information
24. The group that oversees the processes of evaluation within TCSEC is?
Security Policy - Orange Book
The "No read Up" rule
Trusted Products Evaluation Program (TPEP)
Swap Space
25. Buffer overflows occurs when a program or process tries to store more data in a _____________ than it was intended to hold.
Buffer (temporary data storage area)
Compare the security labels
The Thread (memory Management)
Multitasking
26. 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 TCSEC - Aka Orange Book
First evaluation class
'Dominate'
27. TCSEC provides a means to evaluate ______________________.
Integrity
No read up
The trustworthiness of an information system
A lattice of Intergrity Levels
28. When the address location that is specified in the program instruction contains the address of the final desired location.
The Common Criteria
Indirect addressing
Totality of protection mechanisms
Ring 3
29. Which integrity model defines a constrained data item - an integrity verification procedure and a transformation procedure?
Secondary Storage
Access control to the objects by the subjects
C2 - Controlled Access Protection
The Clark Wilson integrity model
30. 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
Controls the checks
Primary storage
A single classification and a Compartment Set
31. Which would be designated as objects on a MAC system?
Files - directories and devices
Clark-Wilson
Trusted facility management
The National Computer Security Center (NCSC)
32. Based on the Bell-LaPadula Security model - and evidence of reference monitor enforcement must be available.
Relative Addresses
Division B - Mandatory Protection Architecture
Accreditation
C2
33. Remaining parts of the operating system
The security perimeter
Ring 1
Thrashing
C2 - Controlled Access Protection
34. 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.
Orange Book B
Controlling unauthorized downgrading of information
C1 - Discrection Security Protection is a type of environment
A security domain
35. What model use an access control triples and requires that the system maintain separation of duty ?
Swap Space
Clark-Wilson
State machine model
Pipelining
36. B1 is also called "Labeled Security" and each data object must have a classification label and each subject a clearance label. On each access attempt - the classification and clearance are checked to verify that the access is permissible.
Orange Book - B1
Dedicated Security Mode
Reduced Instruction Set Computers (RISC)
C1 - Discretionary Security Protection
37. Simpler instructions that require fewer clock cycles to execute.
Multilevel Security Policies
Attributable - original - accurate - contemporaneous and legible
Reduced Instruction Set Computers (RISC)
Accountability - Orange Book
38. In access control terms - the word "dominate" refers to ___________.
Controlling unauthorized downgrading of information
Multitasking
Identification - Orange Book
Higher or equal to access class
39. B3 is also called "Security Domains" and imposes more granularity in each protection mechanism.
A security kernel
Attributable data
Orange Book - B3
Division D - Minimal Protection
40. Requires more stringent authentication mechanisms and well-defined interfaces among layers.
The reference monitor
Files - directories and devices
B2 - Structured Protection
A1 - Rating
41. This type of environment is highly secured environment that processes very sensitive information. It requires systems that are highly resistant to penetration.
B3 - Rating
A security domain
B1 - Labeled Security rating
The National Computer Security Center (NCSC)
42. Configuration management is also defined in the Orange Book BUT As a _____________________ and NOT an operational assurance requirement.
The Red Book
Life Cycle Assurance Requirement
A lattice of Intergrity Levels
A Layered Operating System Architecure
43. Permits a database to have two records that are identical except for Their classifications
Higher or equal to access class
Swap Space
Polyinstantiation
Buffer (temporary data storage area)
44. The combination of RAM - Cache and the Processor Registers
The Clark Wilson integrity model
Orange Book - B1
Access Matrix model
Primary storage
45. The subject must have Need to Know for ONLY the information they are trying to access.
Direct Addressing
Division B - Mandatory Protection
System High Security Mode
Trusted Network Interpretation (TNI)
46. Logical access control mechanisms are used to enforce authentication and the uniquenes of each individual's identification.
Electrically Erasable and Programmable Read-Only Memory (EEPROM)
Trusted facility management
C2 - Controlled Access Protection
Discretionary Security Property (ds-property)
47. To ensure that the Trusted Computing Base is not tampered with during shipment or installation.
Ring 2
Trusted Distribution
Orange Book - D
A1 - Rating
48. In the Orange Book - functionality and assurance are NOT _____________ as they are in the ITSEC and the Common Criteria.
Trusted hardware - Software and Firmware
Invocation Property
Evaluated separately
B2 rating
49. When the RAM and secondary storage are combined the result is __________.
Virtual Memory
Accreditation
Controlling unauthorized downgrading of information
Trusted Distribution
50. The Indexed memory addresses that software uses
Logical addresses
Examples of Layered Operating Systems
Most commonly used approach
The Evaluated Products List (EPL) with their corresponding rating
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