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This page is a glossary of backup terms that aims to clarify the meaning of such jargon and terminology. Terms and definitions. 3-2-1 Rule (or 3-2-1 Backup Strategy)
Backup. In information technology, a backup, or data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event. The verb form, referring to the process of doing so, is "back up", whereas the noun and adjective form is "backup". [1] Backups can be used to recover data ...
Breach: a gap in fortified or battle lines. Breakout: exploiting a breach in enemy lines so that a large force (division or above) passes through. Bridgehead and its varieties known as beachheads and airheads. Camouflet. Chalk: a group of paratroopers or other soldiers that deploy from a single aircraft.
Backup and Restore[1] (formerly Backup and Restore Center[2]) is the primary backup component of Windows Vista and Windows 7. It can create file and folder backups, as well as system images backups, to be used for recovery in the event of data corruption, hard disk drive failure, or malware infection. It replaces NTBackup, which has been part ...
N. +1 redundancy. Redundancy is a form of resilience that ensures system availability in the event of component failure. Components (N) have at least one independent backup component (+1). The level of resilience is referred to as active/passive or standby as backup components do not actively participate within the system during normal operation.
IT disaster recovery (also, simply disaster recovery (DR)) is the process of maintaining or reestablishing vital infrastructure and systems following a natural or human-induced disaster, such as a storm or battle. DR employs policies, tools, and procedures with a focus on IT systems supporting critical business functions. [1]
Meaning. A differential backup is a cumulative backup of all changes made since the last full backup, i.e., the differences since the last full backup. The advantage to this is the quicker recovery time, requiring only a full backup and the last differential backup to restore the entire data repository. The disadvantage is that for each day ...
Backup software are computer programs used to perform a backup; they create supplementary exact copies of files, databases or entire computers. These programs may later use the supplementary copies to restore the original contents in the event of data loss; [1] hence, they are very useful to users. Wikiversity has learning resources about ...