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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 4 of 31

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Q31.
The model in which one kernel thread is mapped to many user-level threads is called :

a.

Many to One model

b.

One to Many model

c.

Many to Many model

d.

One to One model

Discuss
Answer: (a).Many to One model
Q32.
The model in which one user-level thread is mapped to many kernel level threads is called :

a.

Many to One model

b.

One to Many model

c.

Many to Many model

d.

One to One model

Discuss
Answer: (b).One to Many model
Q33.
In the Many to One model, if a thread makes a blocking system call :

a.

the entire process will be blocked

b.

a part of the process will stay blocked, with the rest running

c.

the entire process will run

d.

none of the mentioned

Discuss
Answer: (a).the entire process will be blocked
Q34.
In the Many to One model, multiple threads are unable to run in parallel on multiprocessors because :

a.

only one thread can access the kernel at a time

b.

many user threads have access to just one kernel thread

c.

there is only one kernel thread

d.

none of the mentioned

Discuss
Answer: (a).only one thread can access the kernel at a time
Q35.
The One to One model allows :

a.

increased concurrency

b.

decreased concurrency

c.

increased or decreased concurrency

d.

concurrency equivalent to other models

Discuss
Answer: (a).increased concurrency
Q36.
In the One to One model when a thread makes a blocking system call :

a.

other threads are strictly prohibited from running

b.

other threads are allowed to run

c.

other threads only from other processes are allowed to run

d.

none of the mentioned

Discuss
Answer: (b).other threads are allowed to run
Q37.
Which of the following is the drawback of the One to One Model ?

a.

increased concurrency provided by this model

b.

decreased concurrency provided by this model

c.

creating so many threads at once can crash the system

d.

creating a user thread requires creating the corresponding kernel thread

Discuss
Answer: (d).creating a user thread requires creating the corresponding kernel thread
Q38.
When is the Many to One model at an advantage ?

a.

When the program does not need multi-threading

b.

When the program has to be multi-threaded

c.

When there is a single processor

d.

None of the mentioned

Discuss
Answer: (a).When the program does not need multi-threading
Q39.
In the Many to Many model true concurrency cannot be gained because :

a.

the kernel can schedule only one thread at a time

b.

there are too many threads to handle

c.

it is hard to map threads with each other

d.

none of the mentioned

Discuss
Answer: (a).the kernel can schedule only one thread at a time
Q40.
In the Many to Many model when a thread performs a blocking system call :

a.

other threads are strictly prohibited from running

b.

other threads are allowed to run

c.

other threads only from other processes are allowed to run

d.

none of the mentioned

Discuss
Answer: (b).other threads are allowed to run
Page 4 of 31

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