OS Protection
What is the principle of least privilege?
Less privileges provide difficulty in executing admin tasks
Users can get temporary high privilege access
Users should be given just enough privileges to perform their tasks
None of the mentioned
Users should be given just enough privileges to perform their tasks
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If the set of resources available to the process is fixed throughout the processโs lifetime then its domain is _____________A. static
B. dynamic
C. neither static nor dynamic
D. none of the mentioned
What are the three copyrights?
A. copy
B. transfer
C. limited copy
D. all of the mentioned
Which of the following objects require protection?
A. CPU
B. Printers
C. Motherboard
D. All of the mentioned
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
In asymmetric encryption _____________
A. same key is used for encryption and decryption
B. different keys are used encryption and decryption
C. no key is required for encryption and decryption
D. none of the mentioned
Which two rights allow a process to change the entries in a column?
A. copy and transfer
B. copy and owner
C. owner and transfer
D. deny and copy
What is โseparationโ 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 userโs objects separate from other users
D. None of the mentioned
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