Security Models

Question 1

The ____ access model allows users to read resources at or below their classification level, but they are not permitted to write data in locations below their access level.

Graham Leach
Bell- LaPadula

Answer 1

Bell- LaPadula

Question 2

Which security model prevents conflict of interest

Brewer Nash
Bell Lapadula
Biba Model
Clark Wilson

Answer 2

brewer nash - cowboy family feuds also known as the Chinese wall

Question 3

Which security deals with confidentiality

Brewer Nash
Bell Lapadula
Biba Model
Clark Wilson

Answer 3

Bell lapadula - think of the bell companies , they stole from each other

Question 4

Which security deals with integrity

Brewer Nash
Bell Lapadula
Biba Model
Clark Wilson

Answer 4

Biba Model - best integrity best

Question 5

Which security deals with integrity via programs

Brewer Nash
Bell Lapadula
Biba Model
Clark Wilson

Answer 5

Clark Wilson - in addition it deals with well formed transaction of duties and separation of duties

Question 6

Name the biba axioms

Answer 6

Simple Integrity

Integrity

Question 7

Which BIBA axiom is No read down

Simple Integrity
Integrity

Answer 7

answer

Simple Integrity

Question 8

Which BIBA axiom is No write up

Simple Integrity
Integrity

Answer 8

Integrity

Question 9

Allows access controls that can change dynamically depending on the actions of a user. It ensures that conflict of interest is protected.

The Brewer and Nash Model
Clark And Wilson

Answer 9

The Brewer and Nash Model

Think of this as 2 guys Brewer and Nash not having conflict of interest