A server is almost out of free memory and is becoming unresponsive. Which of the following sets of commands will BEST mitigate the issue?

• A.free, fack, partprobe
• B.df, du, rmmod
• C.lsof, lvcreate, mdadm
• D.fdisk, mkswap, swapon -a

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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.vgcreate
• C.lvcreate
• D.mkfs.xfs

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A Linux administrator has downloaded and installed the httpd package.
Which of the following commands will start the service immediately and allow the service to start on system boot?

• A.systemctl start httpd;chkconfig httpd on 6
• B.systemctl start httpd;chkconfig httpd on
• C.systemctl.start httpd;chkconfig httpd on
• D.systemctl status httpd;chkconfig httpd on

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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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A user is reporting unusual slowness when trying to transfer a large file to an NFS server from a workstation. The administrator runs tracepath and gets the following output:

Which of the following BEST describes the issue and a possible solution?

• A.There is latency on an intermediate router. Increase the path MTU to compensate.
• B.There is latency at the storage device. Work with the storage team to correct the issue.
• C.There are dropped packets at an intermediate router. Work with the network team to correct the issue.
• D.The path MTU is lower than the source MTU. Reduce the source MTU setting.

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