Session ID: 142
Mode: objective
Status: in_progress
Score: 0%
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Which directories are pseudo-filesystems used by the kernel to expose runtime hardware and system information?
Status: Unanswered
Your Answer:
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Explanation:
The lesson states that /proc and /sys are pseudo-filesystems in RAM used by the kernel to store runtime configuration and hardware information [1].
Enter a command that would display information about the runtime kernel and hardware interfaces exposed through pseudo-filesystems by listing the top level of /sys.
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Your Answer:
Accepted Answer(s):
ls /sys
find /sys -maxdepth 1
tree -L 1 /sys
Explanation:
The lesson explains that /sys is a pseudo-filesystem in RAM used by the kernel to expose runtime hardware information [1].
What is the preferred way to blacklist a problematic kernel module?
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Explanation:
The material notes that while /etc/modprobe.d/blacklist.conf can be modified, the preferred method is creating a separate configuration file such as /etc/modprobe.d/<module_name>.conf [1].
Enter the command that lists all currently loaded kernel modules.
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Your Answer:
Accepted Answer(s):
lsmod
Explanation:
lsmod is used to display currently loaded kernel modules [1].
Enter the command used to show PCI devices.
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Your Answer:
Accepted Answer(s):
lspci
Explanation:
lspci is the standard command for displaying PCI devices [1].
What line would you add to a modprobe blacklist configuration file to disable automatic loading of the nouveau module?
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Your Answer:
Accepted Answer(s):
blacklist nouveau
Explanation:
The material gives the exact example: blacklist nouveau [1].
Which naming pattern is used for partitions on SD card devices in Linux?
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Your Answer:
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Explanation:
For memory cards, the lesson uses examples like /dev/mmcblk0p1 and /dev/mmcblk0p2 [1].
Which file can be used to prevent automatic loading of the nouveau kernel module?
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Your Answer:
Options:
Explanation:
The lesson explicitly mentions using /etc/modprobe.d/blacklist.conf to block loading of modules such as nouveau [1].
Which command shows currently loaded kernel modules?
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Your Answer:
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Explanation:
The lesson covers lsmod as the command used to inspect loaded kernel modules [1].
On a Linux system, which directory contains device files representing hardware and pseudo-devices?
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Your Answer:
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Explanation:
Hardware-related special files include device files in /dev, while runtime information is also exposed through /proc and /sys [1].