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Volume 32, Issue 3

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Glossary of terms used on this site


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UPDATED: September 2019
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Glossaries

TermDefinition
Desktop Exercise
Technique for rehearsing teams in which participants review and discuss the actions they would take according to their plans, but do not perform any of these actions.
Differential Backup
Backup process that copies only such items that have been changed since the last full backup.
Diploma of the Business Continuity Institute (DBCI)

This certified membership grade is a standalone credential. It is an academic qualification in Business Continuity and a route to higher membership grades of the BCI depending on years of experience.

Disaster
Situation where widespread human, material, economic or environmental losses have occurred which exceeded the ability of the affected organization, community or society to respond and recover using its own resources.
Disaster Declaration
The staff should be familiar with the list of assessment criteria of an incident versus disaster situation established by the BCM or DR Steering Committee and the notification procedure when a disaster occurs.
Disaster Management
Strategies for prevention, preparedness and response to disasters and the recovery of essential post-disaster services.
Disaster Recovery (DR)
The process, policies and procedures related to preparing for recovery or continuation of technology infrastructure, systems and applications which are vital to an organization after a disaster or outage. The strategies and plans for recovering and restoring the organizations technological infra-structure and capabilities after a serious interruption.
Disaster Recovery Plan (DRP)
The management approved document that defines the resources, actions, tasks and data required to manage the technology recovery effort.
Disaster Recovery Planning
The process of developing and maintaining recovery strategies for information technology (IT) systems, applications and data. This includes networks, servers, desktops, laptops, wireless devices, data and connectivity.
Disk Mirroring

Data replication and recovery technique where data is duplicated on a separate disk subsystem preferably separate location, in real time or near real time, to ensure continuous availability of critical information. Data is protected in transit through encryption.

Disruption

An event that interrupts normal business, functions, operations, or processes, whether anticipated (e.g., hurricane, political unrest) or unanticipated (e.g., a blackout, terror attack, technology failure, or earthquake).

Diverse Routing
The routing of information through split or duplicated cable facilities.
Diversification
A continuity and recovery strategy requiring the live undertaking of activities at two or more geographically dispersed locations.
Downtime
A period in time when something is not in operation.
Drop Ship
A strategy for: a) Delivering equipment, supplies, and materials at the time of a business continuity event or exercise. b) Providing replacement hardware within a specified time period via prearranged contractual arrangements with an equipment supplier at the time of a business continuity event.