Top 50+ System CPU Performance MCQs Quiz Questions & Answers - 2
Question: 6
A major security problem for operating system is
(A) Human problem
(B) Authentication problem
(C) Physical problem
(D) None of these
Ans: B
Authentication problem
Question: 7
Supervisor state is
(A) Only allowed to the operating system
(B) Never used
(C) Required to perform any I/O
(D) Entered by programs when they enter the processor
Ans: A
Only allowed to the operating system
Question: 8
Worm was made up of
(A) One programs
(B) Two programs
(C) Three programs
(D) All of these
Ans: D
All of these
Question: 9
Physical level
(A) computer systems must be physically secured against armed or surreptitious entry by intruders
(B) users must be screened carefully so that the chance of authorizing a user who then gives access to an intruder
(C) both (a) and (b)
(D) none of these
Ans: C
both (a) and (b)
Question: 10
Threat monitoring technique is
(A) A time sharing system that counts the number of incorrect passwords given
(B) The system can check for suspicious patterns of activity in an attempt to detect a security violation
(C) Both (a) and (b)
(D) None of these
Ans: B
The system can check for suspicious patterns of activity in an attempt to detect a security violation
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