Simply stated, this is how long it will take before you are in a recovered posture in your environment. Knowing how quickly you need to recover will dictate the preparations you need to implement. The goal here is the avoidance of transmission bottlenecks and ensuring target-equipment is standing ready to receive the restore data.
The recovery point might be thought of as the “last good backup”. This is the amount of data that is at risk of loss in the event of a catastrophic failure. The RPO will become a function of how frequently you backup your data.
File-level backups are just that – they are a copy of the files on your computer, server, etc. File-level backups rarely protect the operating environment (O/S, Machine Configuration, etc.)
An image-level backup is a snapshot of the entirety of the protected device – machine configuration, operating environment, files, etc.
This is the most basic backup operation. It is a copy of source data to a secondary media – tape, disk, DVD, etc.
Unlike the full backup, this is a copy operation of only that data which has changed since the last backup. Incremental backups are smaller in size that full, as a result they complete faster and require less media to store the backup.
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