CompTIA XK0-005 CompTIA Linux+ Exam Online Training
CompTIA XK0-005 Online Training
The questions for XK0-005 were last updated at Nov 16,2025.
- Exam Code: XK0-005
- Exam Name: CompTIA Linux+ Exam
- Certification Provider: CompTIA
- Latest update: Nov 16,2025
A Linux administrator is trying to remove the ACL from the file /home/user/data. txt but receives the following error message:
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Given the following analysis:

Which of the following is causing the error message?
- A . The administrator is not using a highly privileged account.
- B . The filesystem is mounted with the wrong options.
- C . SELinux file context is denying the ACL changes.
- D . File attributes are preventing file modification.
A Linux administrator needs to create a new cloud.cpio archive containing all the files from the current directory.
Which of the following commands can help to accomplish this task?
- A . ls | cpio -iv > cloud.epio
- B . ls | cpio -iv < cloud.epio
- C . ls | cpio -ov > cloud.cpio
- D . ls cpio -ov < cloud.cpio
A systems administrator made some changes in the ~/.bashrc file and added an alias command. When the administrator tried to use the alias command, it did not work.
Which of the following should be executed FIRST?
- A . source ~/.bashrc
- B . read ~/.bashrc
- C . touch ~/.bashrc
- D . echo ~/.bashrc
A junior systems administrator has just generated public and private authentication keys for passwordless login.
Which of the following files will be moved to the remote servers?
- A . id_dsa.pem
- B . id_rsa
- C . id_ecdsa
- D . id_rsa.pub
A Linux administrator cloned an existing Linux server and built a new server from that clone.
The administrator encountered the following error after booting the cloned server:
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The administrator performed the commands listed below to further troubleshoot and mount the missing filesystem:

Which of the following should administrator use to resolve the device mismatch issue and mount the disk?
- A . mount disk by device-id
- B . fsck -A
- C . mount disk by-label
- D . mount disk by-blkid
A systems administrator installed a new software program on a Linux server.
When the systems administrator tries to run the program, the following message appears on the screen.
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Which of the following commands will allow the systems administrator to check whether the system supports virtualization?
- A . dmidecode -s system-version
- B . lscpu
- C . sysctl -a
- D . cat /sys/device/system/cpu/possible
A Linux administrator created the directory /project/access2all. By creating this directory, the administrator is trying to avoid the deletion or modification of files from non-owners.
Which of the following will accomplish this goal?
- A . chmod +t /project/access2all
- B . chmod +rws /project/access2all
- C . chmod 2770 /project/access2all
- D . chmod ugo+rwx /project/access2all
A Linux systems administrator needs to persistently enable IPv4 forwarding in one of the Linux systems.
Which of the following commands can be used together to accomplish this task? (Choose two.)
- A . sysctl net.ipv4.ip_forward
- B . sysctl -w net.ipv4.ip_forward=1
- C . echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
- D . echo 1 > /proc/sys/net/ipv4/ip_forward
- E . sysctl Cp
- F . echo "net.ipv6.conf.all.forwarding=l" >> /etc/sysctl.conf
Due to low disk space, a Linux administrator finding and removing all log files that were modified more than 180 days ago.
Which of the following commands will accomplish this task?
- A . find /var/log -type d -mtime +180 -print -exec rm {} ;
- B . find /var/log -type f -modified +180 -rm
- C . find /var/log -type f -mtime +180 -exec rm {}
- D . find /var/log -type c -atime +180 Cremove
A junior administrator is setting up a new Linux server that is intended to be used as a router at a remote site.
Which of the following parameters will accomplish this goal?
A)
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B)
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C)
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D)
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- A . Option A
- B . Option B
- C . Option C
- D . Option D