Practice Module Exit Function (5.4.2) - Linux Kernel Modules

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6 sample questions

Question 1.
What is the purpose of the module exit function?
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Think about cleanup activities.
Question 2.
Provide a basic structure of a module exit function in C.
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Remember to use the __exit annotation.
3Question 3.
What is the main function of the module exit function?
- To log module load events
- To deregister functionalities and free resources
- To recompile the kernel
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Think about maintenance and cleanup tasks.
4Question 4.
True or False: A module can be unloaded without defining an exit function.
- True
- False
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Consider the implications of cleanup.
Question 5.
Describe the potential consequences of not implementing an exit function in a kernel module. Include examples.
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Think about how this impacts system performance over time.
Question 6.
Write an exit function for a hypothetical module that manages a network connection. Identify what resources need to be released and the logic for each step.
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Identify all resources that would be allocated during the module's active state.

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