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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 4 of 14

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Q31.
Who unleashed famous worm attack in 1988 which effected UNIX systems and caused losses in millions ?

a.

Robert Morris

b.

Bob Milano

c.

Mark zuckerberg

d.

Bill Gates

Discuss
Answer: (a).Robert Morris
Q32.
What is port scanning ?

a.

It is a software used to scan system for attack

b.

It is a software application designed to probe a server or host for open ports

c.

It is software used to scan system for introducing attacks by brute force

d.

None of the mentioned

Discuss
Answer: (b).It is a software application designed to probe a server or host for open ports
Q33.
Which is not a port scan type ?

a.

TCP scanning

b.

SYN scanning

c.

UDP scanning

d.

SYSTEM Scanning

Discuss
Answer: (d).SYSTEM Scanning
Q34.
Which is not a valid port scan type ?

a.

ACK scanning

b.

Window scanning

c.

IGMP scan

d.

FIN scanning

Discuss
Answer: (c).IGMP scan
Q35.
What are zombie systems ?

a.

Are specific system which are designed to attack by manufacturer

b.

They are network of known hacking group

c.

These systems are previously compromised, independent systems

d.

None of the mentioned

Discuss
Answer: (c).These systems are previously compromised, independent systems
Q36.
What is known as DOS attack ?

a.

It is attack to block traffic of network

b.

It is attack to harm contents stored in HDD by worm spawn processes

c.

It is an attempt to make a machine or network resource unavailable

d.

None of the mentioned

Discuss
Answer: (c).It is an attempt to make a machine or network resource unavailable
Q37.
With regard to DOS attack what is not true from below options ?

a.

We can stop DOS attack completely

b.

By upgrading OS vulnerability we can stop DOS attack to some extent

c.

DOS attack has to be stopped at network level

d.

Such attack can last for hours

Discuss
Answer: (a).We can stop DOS attack completely
Q38.
What is not a important part of security protection ?

a.

Large amount of RAM to support antivirus

b.

Strong passwords

c.

Audit log periodically

d.

Scan for unauthorized programs in system directories

Discuss
Answer: (a).Large amount of RAM to support antivirus
Q39.
What is used to protect network from outside internet access ?

a.

A trusted antivirus

b.

24 hours scanning for virus

c.

Firewall to separate trusted and untrusted network

d.

Deny users access to websites which can potentially cause security leak

Discuss
Answer: (c).Firewall to separate trusted and untrusted network
Q40.
What is best practice in firewall domain environment ?

a.

Create two domain trusted and untrusted domain

b.

Create strong policy in firewall to support different types of users

c.

Create one Demiliatarized zone

d.

Create two DMZ zones with one untrusted domain

Discuss
Answer: (c).Create one Demiliatarized zone
Page 4 of 14

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