Question

Question 1 - Access Controls are always considered to be technical and preventative controls.

Select one:

A)True

B)False

Question 2: Choose the answer that is most correct

(a) The star-property in the Bell-PaPadula model represents the "no write down" rule

(b) The integrity star-property in the BiBa model represents the "no write up" - rula

Select one:

a - neither (a) nor (b) are correct

b - (a) and (b) are correct

c - only (b) is correct

d - Only (a) is correct

ThAnk you guys!!

Answer 1

Ans 1). True,

Since, they are developed to basically prevent unauthorised access to system which can cause potential, they comes in the category of preventive controls.

Ans 2). (a) and (b) are correct.

The star property of bell model tells that a subject can only write to an object whose class is greater than or equal to his own class. This basically implies "no write down".

The star integrity property of biba model tells that a subject can only write to an object having class lower than or equal to his own class. This simple implies "no write up".

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