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Welcome to the Protection and Security MCQs Page

Dive deep into the fascinating world of Protection and Security with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Protection and Security, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Protection and Security, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through Protection and Security. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Protection and Security. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Protection and Security MCQs | Page 3 of 14

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Q21.
What is not a best practice for password policy ?

a.

Deciding maximum age of password

b.

Restriction on password reuse and history

c.

Password encryption

d.

Having change password every 2 years

Discuss
Answer: (d).Having change password every 2 years
Q22.
What is breach of integrity ?

a.

This type of violation involves unauthorized reading of data

b.

This violation involves unauthorized modification of data

c.

This violation involves unauthorized destruction of data

d.

This violation involves unauthorized use of resources

Discuss
Answer: (b).This violation involves unauthorized modification of data
Q23.
What is breach of confidentiality ?

a.

This type of violation involves unauthorized reading of data

b.

This violation involves unauthorized modification of data

c.

This violation involves unauthorized destruction of data

d.

This violation involves unauthorized use of resources

Discuss
Answer: (a).This type of violation involves unauthorized reading of data
Q24.
What is theft of service ?

a.

This type of violation involves unauthorized reading of data

b.

This violation involves unauthorized modification of data

c.

This violation involves unauthorized destruction of data

d.

This violation involves unauthorized use of resources

Discuss
Answer: (d).This violation involves unauthorized use of resources
Q25.
What is breach of availability ?

a.

This type of violation involves unauthorized reading of data

b.

This violation involves unauthorized modification of data

c.

This violation involves unauthorized destruction of data

d.

This violation involves unauthorized use of resources

Discuss
Answer: (c).This violation involves unauthorized destruction of data
Q26.
What is Trojan horse ?

a.

It is a useful way to encrypt password

b.

It is a user which steals valuable information

c.

It is a rogue program which tricks users

d.

It’s a brute force attack algorithm

Discuss
Answer: (c).It is a rogue program which tricks users
Q27.
What is trap door ?

a.

IT is trap door in WarGames

b.

It is a hole in software left by designer

c.

It is a Trojan horse

d.

It is a virus which traps and locks user terminal

Discuss
Answer: (b).It is a hole in software left by designer
Q28.
Which mechanism is used by worm process ?

a.

Trap door

b.

Fake process

c.

Spawn Process

d.

VAX process

Discuss
Answer: (c).Spawn Process
Q29.
Which of the following is not a characteristic of virus ?

a.

Virus destroy and modify user data

b.

Virus is a standalone program

c.

Virus is a code embedded in a legitimate program

d.

Virus cannot be detected

Discuss
Answer: (d).Virus cannot be detected
Q30.
What is known as masquerading ?

a.

When one participant in communication pretends to be someone else

b.

When attacker modifies data in communication

c.

When attack is of fraudulent repeat of a valid data

d.

When attack gains access to remote systems

Discuss
Answer: (a).When one participant in communication pretends to be someone else
Page 3 of 14

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