Operating system mcqs protection memory protection

 

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Operating system mcqs protection memory protection

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Question 1
What is the principle of least privilege?
A
Less privileges provide difficulty in executing admin tasks
B
Users can get temporary high privilege access
C
Users should be given just enough privileges to perform their tasks
D
None of the mentioned
UPSC test Questions answers

Question 2
What is all-or-nothing situation for sharing in memory?
A
Program makes all its data available to be accessed
B
It prohibits access to some
C
It creates rules who can access program memory
D
It separates program memory and data memory
History Questions answers

Question 3
What is the correct way the segmentation program address is stored?
A
name, offset
B
start, stop
C
access, rights
D
offset, rights
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Question 3 Explanation: 
OS can retrieve the real address via looking for the table then making a simple calculation: address of the name + offset.
Question 4
How is disadvantage of all-or-nothing approach overcome?
A
Base/Bound
B
Relocation technique
C
Fence method
D
Tagged architecture
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Question 5
What is the need of protection?
A
Prevent mischievous violation
B
Prevent and intentional
C
Ensure that each program component uses resources allotted to it only
D
All of the mentioned
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There are 5 questions to complete.

 

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