Which of the following is modified to reconfigure the boot environment?

An administrator is configuring a new Linux server and wants to boot the system to a file that was previously downloaded to locally install removable medi a. Which of the following boot options should the administrator choose?

An engineer is working on a production application deployment that requires changing a web application property file called server.propertythat is managed by the Git version control system. A cloned copy of the remote repository in which the server.propertyfile 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?

On a UEFI-based system, which of the following invokes GRUB2 from the EFI command prompt?

A systems administrator needs to run the yum update command two hours after employees log off and leave
for the day on Friday.
Which of the following is the BEST command to complete the task, if the task only needs to be run once?