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XK0-005 Exam Dumps - CompTIA Linux+ Exam

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Question # 17

A Linux administrator would like to use systemd to schedule a job to run every two hours. The administrator creates timer and service definitions and restarts the server to load these new configurations. After the restart, the administrator checks the log file and notices that the job is only running daily. Which of the following is MOST likely causing the issue?

A.

The checkdiskspace.service is not running.

B.

The checkdiskspace.service needs to be enabled.

C.

The OnCalendar schedule is incorrect in the timer definition.

D.

The system-daemon services need to be reloaded.

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Question # 18

A new database is installed on a server. To comply with the database vendor requirement, the huge page function should be set permanently. Which of the following commands will set this parameter?

A.

sysctl -a "vm.nr_hugepage=100"

B.

echo "vm.nr_hiigepage=100" >> /etc/sysconfig/hugepage.conf

C.

echo "nvm.nr_hugepage=100" >> /etc/modprobe.conf

D.

echo "vm.nr_hugepage=100" >> /etc/sysctl.conf

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Question # 19

A Linux systems administrator receives a notification that one of the server’s filesystems is full. Which of the following commands would help the administrator to identify this filesystem?

A.

lsblk

B.

fdisk

C.

df -h

D.

du -ah

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Question # 20

A new file was added to a main Git repository. An administrator wants to synchronize a local copy with the contents of the main repository. Which of the following commands should the administrator use for this task?

A.

git reflog

B.

git pull

C.

git status

D.

git push

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Question # 21

A cloud engineer needs to remove all dangling images and delete all the images that do not have an associated container. Which of the following commands will help to accomplish this task?

A.

docker images prune -a

B.

docker push images -a

C.

docker rmi -a images

D.

docker images rmi --all

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Question # 22

An administrator wants to execute a long-running script in the terminal while troubleshooting another issue. Which of the following options will achieve this goal?

A.

bash script.sh &

B.

source script.sh

C.

sh script.sh | jobs

D.

nice -10 ./script.sh

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Question # 23

A Linux system fails to start and delivers the following error message:

Which of the following commands can be used to address this issue?

A.

fsck.ext4 /dev/sda1

B.

partprobe /dev/sda1

C.

fdisk /dev/sda1

D.

mkfs.ext4 /dev/sda1

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Question # 24

A Linux engineer has been notified about the possible deletion of logs from the file /opt/app/logs. The engineer needs to ensure the log file can only be written into without removing previous entries.

Which of the following commands would be BEST to use to accomplish this task?

A.

chattr +a /opt/app/logs

B.

chattr +d /opt/app/logs

C.

chattr +i /opt/app/logs

D.

chattr +c /opt/app/logs

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