LPI LINUX ESSENTIALS CERTIFICATION
REVIEW SET 2026 ANSWERS GUARANTEED
PASS
⫸ Reverse DNS assigns hostnames to IP addresses. How is the name of
the IP address 198.51.100.165 stored
on a DNS server? Answer: B. In the PTR record for 165.100.51.198.in-
addr.arpa.
⫸ Which of the following types of bus can connect hard disk drives
with the motherboard? Answer: D. The SATA bus
⫸ Members of a team already have experience using Red Hat Enterprise
Linux. For a small hobby project, the
team wants to set up a Linux server without paying for a subscription.
Which of the following Linux distributions
allows the team members to apply as much of their Red Hat Enterprise
Linux knowledge as possible? Answer: D. CentOS
⫸ What information can be displayed by top? Answer: B. Running
processes, ordered by CPU or RAM consumption.
, ⫸ Which of the following commands can be used to resolve a DNS
name to an IP address? Answer: D. host
⫸ Which of the following outputs comes from the command free?
Answer: total used free shared buff/cache available
mem: 16123128 12565680 2011624 412128 1545824 7180416
⫸ What is true about the dmesg command? (Choose two.) Answer: C. It
displays the content of the Linux kernel's ring buffer.
E. It might not display older information because it was overwritten by
newer information.
⫸ Which of the following outputs could stem from the command last?
Answer: E. root tty2 Wed May 17 21:11 - 21:11 (00:00)
⫸ What is the UID of the user root? Answer: 0
⫸ Which permissions are set on a regular file once the permissions have
been modified with the command
chmod 654 file.txt? Answer: E. -rw-r-xr--
⫸ What is true about the owner of a file? Answer: Each file is owned by
exactly one user and one group.
REVIEW SET 2026 ANSWERS GUARANTEED
PASS
⫸ Reverse DNS assigns hostnames to IP addresses. How is the name of
the IP address 198.51.100.165 stored
on a DNS server? Answer: B. In the PTR record for 165.100.51.198.in-
addr.arpa.
⫸ Which of the following types of bus can connect hard disk drives
with the motherboard? Answer: D. The SATA bus
⫸ Members of a team already have experience using Red Hat Enterprise
Linux. For a small hobby project, the
team wants to set up a Linux server without paying for a subscription.
Which of the following Linux distributions
allows the team members to apply as much of their Red Hat Enterprise
Linux knowledge as possible? Answer: D. CentOS
⫸ What information can be displayed by top? Answer: B. Running
processes, ordered by CPU or RAM consumption.
, ⫸ Which of the following commands can be used to resolve a DNS
name to an IP address? Answer: D. host
⫸ Which of the following outputs comes from the command free?
Answer: total used free shared buff/cache available
mem: 16123128 12565680 2011624 412128 1545824 7180416
⫸ What is true about the dmesg command? (Choose two.) Answer: C. It
displays the content of the Linux kernel's ring buffer.
E. It might not display older information because it was overwritten by
newer information.
⫸ Which of the following outputs could stem from the command last?
Answer: E. root tty2 Wed May 17 21:11 - 21:11 (00:00)
⫸ What is the UID of the user root? Answer: 0
⫸ Which permissions are set on a regular file once the permissions have
been modified with the command
chmod 654 file.txt? Answer: E. -rw-r-xr--
⫸ What is true about the owner of a file? Answer: Each file is owned by
exactly one user and one group.