Question

Which of the following describes the difference between the /lib/modules directory and the /usr/lib/modules directory? (Choose Two).

A) /lib/modules is exclusively reserved for kernel modules, whereas /usr/lib/modules includes various system libraries.
B) /lib/modules houses the core kernel modules required for booting, while /usr/lib/modules may contain additional or optional kernel modules.
C) Both directories contain identical kernel modules but serve different installation purposes.
D) /lib/modules is accessible during system boot, whereas /usr/lib/modules is only accessible after the system has fully booted.

Answer 1

The /lib/modules directory contains kernel modules necessary for booting and is accessible during system startup, whereas /usr/lib/modules may contain additional kernel modules accessible after the system is fully booted. The differences reflect the needs of the system during the boot process and the availability of the file systems.

Step-by-step explanation:

The /lib/modules directory and the /usr/lib/modules directory in Linux systems have different purposes: /lib/modules is typically used for storing kernel modules required for booting the system and for modules that need to be loaded during the boot process. As a result, it must be accessible early on during system startup.

/usr/lib/modules may be used in some distributions or specific configurations to house additional, optional, or less critical kernel modules that are not needed during the initial booting stage and can be mounted later once the /usr partition is available. Options A and D do not accurately describe the typical use cases of the directories in question.

Option C is also incorrect, as these directories do not serve to contain identical copies of kernel modules for different installation purposes. The most accurate descriptions from the given choices are B and D. These options illustrate the roles of these directories in terms of the boot process and the availability of the modules during system startup.