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Welcome to the Linux System MCQs Page

Dive deep into the fascinating world of Linux System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Linux System, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Linux System, 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 Linux System. 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 Linux System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Linux System MCQs | Page 12 of 31

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Q111.
Optimal page – replacement algorithm is :

a.

Replace the page that has not been used for a long time

b.

Replace the page that has been used for a long time

c.

Replace the page that will not be used for a long time

d.

None of the mentioned

Discuss
Answer: (c).Replace the page that will not be used for a long time
Q112.
Optimal page – replacement algorithm is difficult to implement, because :

a.

it requires a lot of information

b.

it requires future knowledge of the reference string

c.

it is too complex

d.

it is extremely expensive

Discuss
Answer: (b).it requires future knowledge of the reference string
Q113.
LRU page – replacement algorithm associates with each page the ______

a.

time it was brought into memory

b.

the time of that page’s last use

c.

page after and before it

d.

all of the mentioned

Discuss
Answer: (b).the time of that page’s last use
Q114.
The two methods how LRU page replacement policy can be implemented in hardware are:

a.

Counters

b.

RAM & Registers

c.

Stack & Counters

d.

Registers

Discuss
Answer: (c).Stack & Counters
Q115.
When using counters to implement LRU, we replace the page with the :

a.

smallest time value

b.

largest time value

c.

greatest size

d.

none of the mentioned

Discuss
Answer: (a).smallest time value
Q116.
In the stack implementation of the LRU algorithm, a stack can be maintained in a manner :

a.

whenever a page is used, it is removed from the stack and put on bottom

b.

the bottom of the stack is the LRU page

c.

the top of the stack contains the LRU page and all new pages are added to the top

d.

none of the mentioned

Discuss
Answer: (b).the bottom of the stack is the LRU page
Q117.
There is a set of page replacement algorithms that can never exhibit Belady’s Anomaly, called :

a.

queue algorithms

b.

stack algorithms

c.

string algorithms

d.

none of the mentioned

Discuss
Answer: (b).stack algorithms
Q118.
The essential content(s) in each entry of a page table is / are :

a.

Virtual page number

b.

Page frame number

c.

Both virtual page number and page frame number

d.

Access right information

Discuss
Answer: (b).Page frame number
Q119.
The minimum number of page frames that must be allocated to a running process in a virtual memory environment is determined by :

a.

the instruction set architecture

b.

page size

c.

physical memory size

d.

number of processes in memory

Discuss
Answer: (a).the instruction set architecture
Q120.
The reason for using the LFU page replacement algorithm is :

a.

an actively used page should have a large reference count

b.

a less used page has more chances to be used again

c.

it is extremely efficient and optimal

d.

all of the mentioned

Discuss
Answer: (a).an actively used page should have a large reference count
Page 12 of 31

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