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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 10 of 14

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Q91.
Access matrix model for user authentication contains

a.

a list of objects

b.

a list of domains

c.

a function which returns an object’s type

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q92.
Global table implementation of matrix table contains

a.

domain

b.

object

c.

right-set

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q93.
For a domain _______ is a list of objects together with the operation allowed on these objects.

a.

capability list

b.

access list

c.

both capability and access list

d.

none of the mentioned

Discuss
Answer: (a).capability list
Q94.
Which one of the following is capability based protection system?

a.

hydra

b.

cambridge CAP system

c.

both hydra and cambridge CAP system

d.

none of the mentioned

Discuss
Answer: (c).both hydra and cambridge CAP system
Q95.
In UNIX, domain switch is accomplished via

a.

file system

b.

user

c.

superuser

d.

none of the mentioned

Discuss
Answer: (a).file system
Q96.
When an attempt is to make a machine or network resource unavailable to its intended users, the attack is called

a.

denial-of-service attack

b.

slow read attack

c.

spoofed attack

d.

starvation attack

Discuss
Answer: (a).denial-of-service attack
Q97.
The code segment that misuses its environment is called a

a.

internal thief

b.

trojan horse

c.

code stacker

d.

none of the mentioned

Discuss
Answer: (b).trojan horse
Q98.
The internal code of any software that will set of a malicious function when specified conditions are met, is called

a.

logic bomb

b.

trap door

c.

code stacker

d.

none of the mentioned

Discuss
Answer: (a).logic bomb
Q99.
The pattern that can be used to identify a virus is known as

a.

stealth

b.

virus signature

c.

armoured

d.

multipartite

Discuss
Answer: (b).virus signature
Q100.
Which one of the following is a process that uses the spawn mechanism to revage the system performance?

a.

worm

b.

trojen

c.

threat

d.

virus

Discuss
Answer: (a).worm
Page 10 of 14

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