Protection and Security Questions

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71.

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

Correct Answer: A

None.

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72.

Which is an unsolvable problem in access-matrix?

A

Owner override

B

Brute force

C

Access denied

D

Confinement

Correct Answer: D

None.

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73.

Which of the following objects require protection?

A

CPU

B

Printers

C

Motherboard

D

All of the mentioned

Correct Answer: B

None.

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74.

What is

A

To have separate login for different users

B

To have separate Hard disk drive/partition for different users

C

It means keeping one user

D

None of the mentioned

Correct Answer: C

None.

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75.

. Which of the following statements are correct?
i) Physical separation

A

i

B

i and iii

C

ii and iii

D

iii and iv

Correct Answer: B

None.

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76.

What are the various roles of protection?

A

It is used to detect errors which can prevent contamination of system

B

It is used used to accelerate a process

C

It is used to optimize system downtime

D

None of the mentioned

Correct Answer: A

None.

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77.

Which of the following objects require protection?

A

Memory

B

Monitor

C

Power supply unit

D

All of the mentioned

Correct Answer: A

None.

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78.

Which principle states that programs, users and even the systems be given just enough privileges to perform their task?

A

principle of operating system

B

principle of least privilege

C

principle of process scheduling

D

none of the mentioned

Correct Answer: B

None.

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79.

_______ is an approach to restricting system access to authorized users.

A

Role-based access control

B

Process-based access control

C

Job-based access control

D

None of the mentioned

Correct Answer: A

None.

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80.

For system protection, a process should access _____________

A

all the resources

B

only those resources for which it has authorization

C

few resources but authorization is not required

D

all of the mentioned

Correct Answer: B

None.

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