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?

A Linux administrator opens a ticket to have an external hard drive mounted. As a security policy, external storage kernel modules are disabled.
Which of the following is the BEST command for adding the proper kernel module to enable external storage modules?
rmmod /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-storage.ko

A Linux team is using Git to version a set of custom scripts. A team member has made an update to a script and published the changes to the repository.
Which of the following is the BEST way to retrieve the latest changes to the administrator's local working copy?

A directory called /employee is shared with many employees in a company. New hardware was acquired, and the systems administrator needs to back up all files in /employee before the server is replaced.
Which of the following commands should be used to back up all the files and compress them to use little space in the filesystem?

A user wants to list the lines of a log, adding a correlative number at the beginning of each line separated by a set of dashes from the actual message. Which of the following scripts will complete this task?