Final answer:
A system snapshot can be generated automatically to provide the option to revert to an earlier server state if there is an unplanned server failure.
Step-by-step explanation:
The type of checkpoint that can be generated automatically to provide the option to revert to an earlier server state if there is an unplanned server failure is called a system snapshot.
A system snapshot is a snapshot or copy of the server's current state, including its files, settings, and configurations. This allows you to revert back to the exact state of the server at the time the snapshot was taken. If there is an unplanned server failure, you can simply restore the server using the system snapshot, ensuring that no data is lost and the server can resume its previous state.
System snapshots are commonly used in virtualized environments, where virtual machines are utilized. With the help of virtualization software, snapshots can be created and managed easily. These snapshots can be scheduled to be taken automatically at regular intervals, providing a seamless and efficient backup and recovery solution in case of unfortunate server failures.