Protection Access Matrix MCQs

15 MCQs  — Operating System MCQs  (Page 2 of 2)

Attempt Protection Access Matrix Quiz
What is ‘separation’ in security of Operating systems?
A. To have separate login for different users
B. To have separate hard disk drive/partition for different users
C. It means keeping one user’s objects separate from other users
D. None of the mentioned
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Which of the following statements are correct? i) Physical separation – in which process use different physical objects like separate printers ii) Physical separation – in which process having different security requirement at different times iii) Logical separation – In which users operate under illusion that no other processes exist iv) Logical separation – In which processes conceal their data and computations
A. I
B. I and iii
C. Ii and iii
D. Iii and iv
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Which of the following statements are correct? i) Physical separation – in which process use different physical objects like separate printers ii) Temporal separation – in which process having different security requirement at different times iii) Physical separation – In which users operate under illusion that no other processes exist iv) Temporal separation – In which processes conceal their data and computations
A. I
B. I and ii
C. Ii and iii
D. Iii and iv
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Which of the following statements are correct? i) logical separation – in which process use different physical objects like separate printers ii) cryptographic separation – in which process having different security requirement at different times iii) Logical separation – In which users operate under illusion that no other processes exist iv) cryptographic separation – In which processes conceal their data and computations
A. I
B. I and ii
C. Ii and iii
D. Iii and iv
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What are the various roles of protection?
A. It is used to detect errors which can prevent contamination of system
B. It is used used to accelerate a process
C. It is used to optimize system downtime
D. None of the mentioned
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Word of the Day
12 Oct
Indigenous
originating or occurring naturally in a particular place; native.
ملکی، مقامی، کسی خاص جگہ پایاجانیوالا

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