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IT Fundamentals - Business Continuity
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Terms in this set (23)
The property that enables a system to continue operating properly in the event of the failure of some of its components.
Provides multiple identical instances of the same system or subsystem, directing tasks or requests to all of them in parallel, and choosing the correct result on the basis of a quorum.
Provides multiple identical instances of the same system and switching to one of the remaining instances in case of a failure.
Data, network, and power.
A copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event.
Full, incremental, differential, and copy.
Contains a complete copy of the source taken at a specific point in time.
Stores data changed since a reference point in time.
Saves only the data that has changed since the last full backup.
Indicates that a file was changed since the last backup.
clear archive bit
Full and incremental backups.
unmodified archive bit
Differential and copy backups.
Critical data, file backups, database, OS backups, stored location.
Local, on-site vs. off-site, cloud storage.
A plan devised for an outcome other than in the usual (expected) outcome.
Involves a set of policies, tools and procedures to enable the continuation of vital technology infrastructure and systems following a natural or human-induced disaster.
disaster recovery considerations
Data restoration, prioritization, restoring access
A data storage virtualization technology that combines multiple physical disk drive components into one or more logical units for the purposes of data redundancy, performance improvement, or both.
Consists of striping, but no mirroring or parity.
Consists of data mirroring, without parity or striping.
Consists of block-level striping with distributed parity.
Consists of a striped set of mirrored drives.
An electrical apparatus that provides emergency power to a load when the input power source or mains power fails.
THIS SET IS OFTEN IN FOLDERS WITH...
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IT Fundamentals - Peripherals
IT Fundamentals - Operating Systems
IT Fundamentals - Applications
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