A user is unable to write data to an NFS datastore at /mnt/storage. A df command indicates 50% free
inodes.
Which of the following commands should the user attempt NEXT to diagnose the situation?

An administrator is writing a Bash script that contains a loop that increments the value of the variable count with each loop iteration by 1. Which of the following should the administrator use?

A systems administrator has retrieved the latest copy of the system backup files, which had been stored offsite at a third-party vendor. The systems administrator wants to validate that the data was not
modified since the backup.
Which of the following would BEST verify that the data remained the same?

A Linux administrator needs to take stock of USB devices attached to the system.
Which of the following commands would be BEST to complete this task?

An administrator is reviewing updates in the master online Git repository and notices a file named .htaccess.
The file contains passwords and should only be in the administrator's local repository, not the online one.
Which of the following would prevent this file from appearing online in the future?