LPIC-1 QUESTIONS AND ANSWERS | VERIFIED AND
WELL DETAILED ANSWERS | PLUS RATIONALES |
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LPIC-1 Practice Exam – 100 Questions with Answers & Rationale
> Note: LPIC-1 consists of two exams: 101-500 (Topics 101–104) and 102-500 (Topics 105–110). This practice
set covers both. Correct answers are marked with ✔.
,Topic 101: System Architecture
1. Which command displays the current kernel version?
- A) `uname -r`
- B) `kernel -v`
- C) `ver`
- D) `lsmod`
Answer: A
Rationale: `uname -r` prints the kernel release. `uname -a` shows all system info. `lsmod` lists loaded kernel
modules.
2. What does the `lspci` command do?
- A) Lists USB devices
,- B) Lists PCI devices
- C) Lists CPU information
- D) Lists SCSI devices
Answer: B
Rationale: `lspci` displays information about PCI buses and devices. USB devices use `lsusb`.
3. Which file contains information about CPU details on Linux?
- A) `/etc/cpuinfo`
- B) `/proc/cpuinfo`
- C) `/var/cpuinfo`
- D) `/sys/cpu`
Answer: B
Rationale: `/proc/cpuinfo` is a virtual file in procfs containing processor details.
, 4. Which command shows kernel ring buffer messages?
- A) `dmesg`
- B) `klog`
- C) `syslog`
- D) `journalctl -k` only
Answer: A
Rationale: `dmesg` prints kernel messages. `journalctl -k` also works on systemd systems, but `dmesg` is the
classic answer.
5. What is the role of `udev`?
- A) Manages user accounts
- B) Dynamically creates device files in `/dev`
- C) Mounts filesystems
WELL DETAILED ANSWERS | PLUS RATIONALES |
GUARANTEED PASS | LATEST EXAM UPDATE | EXAM
PREP | STUDY GUIDE | PRACTICE TEST
LPIC-1 Practice Exam – 100 Questions with Answers & Rationale
> Note: LPIC-1 consists of two exams: 101-500 (Topics 101–104) and 102-500 (Topics 105–110). This practice
set covers both. Correct answers are marked with ✔.
,Topic 101: System Architecture
1. Which command displays the current kernel version?
- A) `uname -r`
- B) `kernel -v`
- C) `ver`
- D) `lsmod`
Answer: A
Rationale: `uname -r` prints the kernel release. `uname -a` shows all system info. `lsmod` lists loaded kernel
modules.
2. What does the `lspci` command do?
- A) Lists USB devices
,- B) Lists PCI devices
- C) Lists CPU information
- D) Lists SCSI devices
Answer: B
Rationale: `lspci` displays information about PCI buses and devices. USB devices use `lsusb`.
3. Which file contains information about CPU details on Linux?
- A) `/etc/cpuinfo`
- B) `/proc/cpuinfo`
- C) `/var/cpuinfo`
- D) `/sys/cpu`
Answer: B
Rationale: `/proc/cpuinfo` is a virtual file in procfs containing processor details.
, 4. Which command shows kernel ring buffer messages?
- A) `dmesg`
- B) `klog`
- C) `syslog`
- D) `journalctl -k` only
Answer: A
Rationale: `dmesg` prints kernel messages. `journalctl -k` also works on systemd systems, but `dmesg` is the
classic answer.
5. What is the role of `udev`?
- A) Manages user accounts
- B) Dynamically creates device files in `/dev`
- C) Mounts filesystems