A junior systems administrator needs to schedule a backup script named /scripts/backup.sh and make the correct changes to the crontab.
Which of the following crontab entries would run the script every Monday at 2:05 a.m.?

• A.1 * * 5 2 /scripts/backup.sh
• B.2 5 * * 1 /scripts/backup.sh
• C.5 2 * * 1 /scripts/backup.sh
• D.1 * * 2 5 /scripts/backup.sh
• E.5 2 * * 0 /scripts/backup.sh

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An administrator wants to know the amount of memory installed on a Linux server. Which of the following commands can be used to accomplish this task?

• A.cat /proc/meminfo
• B.cat /sys/meminfo
• C.cat /proc/sys/meminfo
• D.cat /sys/proc/meminfo

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The lead Linux has added a disk, /dev/sdd, to a VM that is running out of disk space. Place the following steps in the correct order from first (1) to last (4) to add the disk to the existing LVM.

Correct Answer:

Reference:
https://www.rootusers.com/how-to-increase-the-size-of-a-linux-lvm-by-expanding-the-virtual-machine-disk/

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A Linux administrator needs every new file created on a directory to maintain the group permissions of the same directory. Which of the following commands would satisfy this requirement?

• A.chmod g+s <directory>
• B.chmod u+s <directory>
• C.chmod +s <directory>
• D.chmod o+s <directory>

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A systems administrator needs to append output of ls -lha /opt command to the contents of a test.txt file. Which of the following commands will accomplish this?

• A.ls -lha /opt << test.txt
• B.ls -lha /opt >> test.txt
• C.ls -lha /opt > test.txt
• D.ls -lha /opt < test.txt

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