Creational Design Patterns in Modern C++ - Multithreading Issues

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Information Technology (IT), Architecture
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What problem arises when using a logger in a multithreaded application?
The application runs faster.
Multiple instances of the logger are created.
The logger fails to log messages.
The logger becomes read-only.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a mutex in the logger method?
To speed up the application.
To allow multiple instances of the logger.
To make the logger read-only.
To ensure only one instance of the logger is created.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the mutex object required to be static?
Because it should be an instance member.
Because it should be initialized multiple times.
Because it should be shared across all instances.
Because it needs to be accessed by instance methods.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of the double-checked locking pattern?
It allows multiple instances to be created.
It speeds up the application by creating more threads.
It avoids unnecessary locking after the instance is created.
It makes the logger read-only.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential issue with the double-checked locking pattern?
It creates multiple instances of the logger.
It makes the application slower.
It can lead to invalid values being read by threads.
It always works perfectly.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if a thread reads an invalid value from the instance?
The application runs faster.
The logger logs incorrect messages.
The application may crash.
The logger becomes read-only.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might the double-checked locking pattern not always work?
Because operations on the instance pointer are not atomic.
Because it is not compatible with multithreading.
Because it requires too many resources.
Because it is too complex.
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