An engineer is working on a production application deployment that requires changing a web application property file called server.property that is managed by the Git version control system. A cloned copy of the remote repository in which the server.property file exists is on the local desktop computer. The engineer makes appropriate changes to the files, saves it as server.property, and executes git commit -m "changed the property file" server.property. Which of the following commands did the engineer fail to perform?

A systems administrator is troubleshooting an intermittent network connection at the IP address 192.168.1.23.
The administrator wishes to monitor the connection at five-minute intervals for one hour. Which of the following
commands will accomplish this task?

A junior systems administrator created a new filesystem /dev/sda1 with mountpoint /data and added it to the
/etc/fstab for auto-mounting.
When the systems administrator tries to mount the file system, the system refuses. Given the output below:

Which of the following steps is necessary?

A systems administrator has finished building a new feature for the monitoring software in a separate Git branch.
Which of the following is the BEST method for adding the new feature to the software's master branch?

Which of the following should an administrator use to display just the remote web browser locally?