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An administrator receives a warning about a file system filling up, and then identifies a large file located at / tmp / largelogfile.

Which of the following commands would BEST assists the administrator in identifying the problem?

A. lsof | grep largelogfile

B. pkill /tmp/largelogfile

C. pgrep largelogfile

D. ps –ef | grep largelogfile

Answer: A

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

Answer: C

Which of the following can be used to boot a DVD from a remote device to initialize a Linux system setup on bare metal hardware as if it is a local DVD?

A. UEFI

B. PXE

C. NFS

D. GRUB

Answer: A

A technical support engineer receives a ticket from a user who is trying to create a 1KB file in the /tmp directory and is getting the following error No space left on device. The support engineer checks the /tmp directory, and it has 20GB of free space.

Which of the following BEST describes a possible cause for this error?

A. The /tmp directory is not mounted.

B. The filesystem is formatted with a 4MB block size.

C. the filesystem ran out of inodes.

D. The /tmp directory has been set with an immutable attribute.

Answer: C

Which of the following is the BEST reason for not storing database files in the /var directory?

A. The /var filesystem is not fast enough for database files.

B. The number of files in /var is limited by the available inodes.

C. Files in /var do not have strict file permissions.

D. If log files fill up /var, it might corrupt the database.

Answer: D

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