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Welcome to the Windows Fundamentals MCQs Page

Dive deep into the fascinating world of Windows Fundamentals with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Windows Fundamentals, a crucial aspect of Reverse Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Windows Fundamentals, 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 Reverse Engineering.

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Check out the MCQs below to embark on an enriching journey through Windows Fundamentals. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Reverse Engineering.

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

Windows Fundamentals MCQs | Page 12 of 26

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Q111.
What is a thread's quantum?

a.

The maximum amount of time a thread is allowed to run continuously

b.

The minimum amount of time a thread is allowed to run continuously

c.

The time when a thread is suspended

d.

The time when a thread is resumed

Discuss
Answer: (a).The maximum amount of time a thread is allowed to run continuously Explanation:A thread's quantum is the maximum amount of time the thread is allowed to run continuously.
Q112.
How does the operating system monitor how long a thread has been running?

a.

By using a low-level hardware timer interrupt

b.

By using a high-level hardware timer interrupt

c.

By using a software interrupt

d.

By using a hardware interrupt

Discuss
Answer: (a).By using a low-level hardware timer interrupt Explanation:The operating system monitors how long a thread has been running by using a low-level hardware timer interrupt.
Q113.
What happens when a thread's quantum is up?

a.

The thread is temporarily interrupted

b.

The thread is permanently interrupted

c.

The thread is blocked

d.

The thread is terminated

Discuss
Answer: (a).The thread is temporarily interrupted Explanation:When a thread's quantum is up, the thread is temporarily interrupted, and the system allows other threads to run.
Q114.
How does the kernel ensure that a thread has no idea that it was ever interrupted?

a.

By storing the state of all CPU registers before suspending the thread and restoring that state when the thread is resumed

b.

By blocking the thread when its quantum is up

c.

By terminating the thread when its quantum is up

d.

By lowering the thread's priority when its quantum is up

Discuss
Answer: (a).By storing the state of all CPU registers before suspending the thread and restoring that state when the thread is resumed Explanation:The kernel ensures that a thread has no idea that it was ever interrupted by storing the state of all CPU registers before suspending the thread and restoring that state when the thread is resumed.
Q115.
What is the main challenge of synchronizing multiple threads in the same program?

a.

Ensuring data validity

b.

Managing thread priorities

c.

Handling thread context switching

d.

Avoiding thread deadlocks

Discuss
Answer: (a).Ensuring data validity Explanation:The main challenge of synchronizing multiple threads within the same program is ensuring data validity at all times.
Q116.
What do synchronization objects allow two or more threads to do?

a.

Compete for a single resource

b.

Share data structures

c.

Execute in parallel

d.

Access system resources

Discuss
Answer: (a).Compete for a single resource Explanation:Synchronization objects allow two or more threads to compete for a single resource, and they help ensure that only a controlled number of threads actually access the resource at any given moment.
Q117.
What is the purpose of putting blocked threads in a special wait state?

a.

To ensure data validity

b.

To manage thread priorities

c.

To avoid thread deadlocks

d.

To avoid wasting CPU cycles

Discuss
Answer: (d).To avoid wasting CPU cycles Explanation:When a thread is blocked, it is put in a special wait state by the kernel and is not dispatched until that wait state is satisfied. This helps avoid wasting CPU cycles.
Q118.
Why must the scheduler be aware of synchronization objects?

a.

To ensure data validity

b.

To manage thread priorities

c.

To handle thread context switching

d.

To avoid thread deadlocks

Discuss
Answer: (c).To handle thread context switching Explanation:The scheduler must be aware of the existence of synchronization objects in order to know when a wait state has been satisfied and a specific thread can continue execution.
Q119.
What are synchronization objects used for in multithreaded programming?

a.

To allow threads to compete for a single resource

b.

To ensure data validity at all times

c.

To synchronize multiple threads within the same program

d.

All of the above

Discuss
Answer: (d).All of the above Explanation:The basic design of all synchronization objects is that they allow two or more threads to compete for a single resource, and they help ensure that only a controlled number of threads actually access the resource at any given moment. Threads that are blocked are put in a special wait state by the kernel and are not dispatched until that wait state is satisfied.
Q120.
What is an event in multithreaded programming?

a.

A mutex that can only be acquired by one thread at any given moment

b.

A semaphore with a user-defined counter that defines how many simultaneous owners are allowed on it

c.

A simple Boolean synchronization object that can be set to either True or False

d.

A process private critical section

Discuss
Answer: (c).A simple Boolean synchronization object that can be set to either True or False Explanation:An event is a simple Boolean synchronization object that can be set to either True or False. An event is waited on by one of the standard Win32 wait APIs such as WaitForSingleObject or WaitForMultipleObjects.
Page 12 of 26

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