A junior Linux administrator is optimizing a system in which an application needs to take priority 0 when running the process. The administrator runs the ps command and receives the following output:

Given this scenario, which of the following steps will address this issue?

• A.Issue the command renice -n 8481
• B.Issue the command renice -p 8481
• C.Issue the command renice -p 0 ~n 8481
• D.Issue the command ronice -n 0 -p 8481

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A systems administrator logs into a Linux server and must identify whether the server is a physical or virtual machine.
Which of the following commands should the administrator run?

• A.modinfo
• B.vmstat
• C.cat /proc/cpuinfo
• D.dmidecode

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An issue was discovered on a testing branch of a Git repository. A file was inadvertently modified and needs to be reverted to the master branch version. Which of the following is the BEST option to resolve the issue?

• A.git checkout master -- file
• B.git branch -b master file
• C.git merge master testing
• D.git stash branch master

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An administrator is logged into a server remotely and wants to determine if the system is a VM. Which of the following commands would assist with this?

• A.vmstat
• B.ps
• C.top
• D.dmesg

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Which of the following is the template for the grub.cfg file?

• A./etc/default/grub
• B./etc/grub2.cfg
• C./etc/sysct1.conf
• D./boot/efi

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