A Linux storage administrator wants to create a logical volume group. Which of the following commands is required to start the process?

• A.pvcreate
• B.mkfs.xfs
• C.lvcreate
• D.vgcreate

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A systems administrator needs to run the yum update command two hours after employees log off and leave for the day on Friday.
Which of the following is the BEST command to complete the task, if the task only needs to be run once?

• A.screen
• B.nohup
• C.cron
• D.at

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In which of the following directories is the vmlinuz file located?

• A./etc
• B./boot
• C./bin
• D./proc

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An administrator needs to change the DNS domain search order of a single Linux host to localize it better.
Which of the following files should the administrator edit?

• A./etc/hosts
• B./etc/resolv.conf
• C./etc/nsswitch.conf
• D./etc/dhcpd.conf

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An administrator needs a bootable USB for installing a new Linux machine. The administrator downloaded the image file and named it as Linux_OS.iso in the /tmp directory. Which of the following commands will accomplish that task?

• A.dd if=/tmp/Linux_OS.iso out=/dev/sdb1 bs=512
• B.dd if=/tmp/Linux_OS.iso of=/dev/sda bs=512
• C.dd in=/tmp/Linux_OS.iso out=/dev/sdb bs=512
• D.dd input=/tmp/Linux_OS.iso of=/dev/sda bs=512

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