A systems administrator has finished building a new feature for the monitoring software in a separate Git branch.
Which of the following is the BEST method for adding the new feature to the software's master branch?

• A.Pull the changes from the feature branch into the master branch.
• B.Merge the changes from the feature branch to the master branch.
• C.Clone the feature branch into the master branch.
• D.Save the changes to the master branch automatically with each Git commit.

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A Linux administrator suspects unauthorized users are attempting to log in to the Linux server remotely. Which of the following should the administrator check FIRST?

• A./var/log/secure
• B./var/log/kern.log
• C./var/log/messages
• D./var/log/dmesg

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A systems administrator needs to conduct maintenance on a server.
Which of the following commands will place the administrator in the appropriate runlevel?

• A.init 3
• B.telinit 6
• C.telinit 1
• D.init 0

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An administrator needs to see a list of the system user's encrypted passwords. Which of the following Linux files does the administrator need to read?

• A./etc/shadow
• B./etc/skel
• C./etc/passwd
• D./etc/pw

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An administrator is troubleshooting to determine why backups are failing on a particular server. The administrator runs the ps command and analyzes the following output.

The administrator runs kill -9 10112 yet the process remains.
Which of the following BEST describes the issue and how to fix it?

• A.The backup process is a zombie process, and the system needs to be rebooted.
• B.The backup process is still running and needs to be killed with kill -9 --force 10112.
• C.The backup process is out of memory, and more memory needs to be added to the system.
• D.The backup process is using 100% of system resources and needs to be rescheduled with renice.

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