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MCQ

Q.

What is the main objective of protection?

A

Ensure all objects are protected individually

B

Objects have different priority and thus different levels of protection

C

Ensure that each object is accessed correctly and only by allowed processes

D

None of the mentioned

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MCQ

1.

Which of the following objects require protection?

A

Memory

B

Monitor

C

Power supply unit

D

All of the mentioned

Discussion

MCQ

2.

Which is an unsolvable problem in access-matrix?

A

Owner override

B

Brute force

C

Access denied

D

Confinement

Discussion

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3.

Which of the following is the least secure method of authentication?

A

Key card

B

fingerprint

C

retina pattern

D

Password

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MCQ

4.

What is true about Indirection to revoke capability?

A

Capabilities point indirectly to the objects

B

Each capability will not have a unique entry in global

C

Table entries cannot be reused for other capabilities

D

This system was adopted in MULTICS system

Discussion

MCQ

5.

What is not a good practice for user administration?

A

Isolating a system after a compromise

B

Perform random auditing procedures

C

Granting privileges on a per host basis

D

Using telnet and FTP for remote access

Discussion

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