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 push
• B.git status
• C.git reflog
• D.git pull

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A Linux administrator is trying to remove the ACL from the file /home/user/dat a. txt but receives the following error message:

Given the following analysis:

Which of the following is causing the error message?

• A.File attributes are preventing file modification.
• B.SELinux file context is denying the ACL changes.
• C.The filesystem is mounted with the wrong options.
• D.The administrator is not using a highly privileged account.

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Users report that connections to a MariaDB service are being closed unexpectedly. A systems administrator troubleshoots the issue and finds the following message in /var/log/messages:

Which of the following is causing the connection issue?

• A.The amount of RAM allocated to the server is too high.
• B.Something is starving the server resources.
• C.The server is running out of file descriptors.
• D.The process mysqld is using too many semaphores.

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A Linux administrator recently downloaded a software package that is currently in a compressed file. Which of the following commands will extract the files?

• A.bzip2 -z
• B.gzip
• C.funzip
• D.unzip -v

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A Linux user reported the following error after trying to connect to the system remotely:
ssh: connect to host 10.0.1.10 port 22: Resource temporarily unavailable The Linux systems administrator executed the following commands in the Linux system while trying to diagnose this issue:

Which of the following commands will resolve this issue?

• A.firewall-cmd --zone=public --permanent --add-service=ssh
• B.firewall-cmd --zone=public --permanent --add-port=22/udp
• C.firewall-cmd --zone=public --permanent --add-service=22
• D.systemctl enable firewalld; systemctl restart firewalld

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