Operating System MCQ - Security

This section focuses on "Security" in Operating System. These Multiple Choice Questions (MCQ) should be practiced to improve the Operating System skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. _______ refers to identifying each user of the system and associating the executing programs with those users.

A. One Time passwords
B. Authentication
C. Program Threats
D. Security

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2. In how many ways, Operating Systems generally identifies/authenticates users using ?

A. 2
B. 3
C. 4
D. 5

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3. ______ is a situation when a program misbehaves only when certain conditions met otherwise it works as a genuine program.

A. Trojan Horse
B. Trap Door
C. Logic bomb
D. Virus

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4. Which of the following program threat, "Such program traps user login credentials and stores them to send to malicious user who can later on login to computer and can access system resources."

A. Trojan Horse
B. Trap Door
C. Logic bomb
D. Virus

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5. How many Computer Security Classifications are there?

A. 2
B. 3
C. 4
D. 5

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6. Which of the following type is at Lowest level?

A. Type A
B. Type B
C. Type C
D. Type D

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7. Which of the following type provides protection and user accountability using audit capabilities?

A. Type A
B. Type B
C. Type C
D. Type D

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8. Which of the following is not a stream cipher?

A. TBONE
B. RC5
C. RC4
D. Two fish

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9. How do viruses avoid basic pattern match of antivirus?

A. They are encrypted
B. They modify themselves
C. They act with special permissions
D. None of the above

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10. What are the major components of the intrusion detection system?

A. Analysis Engine
B. Event provider
C. Alert Database
D. All of the above

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