Term
| asymmetric server cluster |
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Definition
| A technology in which a standby server exists only to take over for another server in the event of its failure. |
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Term
| backout/contingency option |
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Definition
| Rolling back a disaster recovery implementation to the starting point so that a different approach can be taken. |
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Term
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Definition
| The ability of an organization to maintain its operations and services in the face of a disruptive event. |
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Term
| business continuity planning and testing |
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Definition
| The process of identifying exposure to threats, creating preventive and recovery procedures, and then testing them to determine if they are sufficient. |
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Term
| business impact analysis (BIA) |
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Definition
| An analysis of the most important mission-critical business functions, which identifies and quantifies the impact such a loss of the functions may have on the organization in terms of its operational and financial position. |
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Term
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Definition
| A process of documentation that shows that the evidence was under strict control at all times and no unauthorized individuals were given the opportunity to corrupt the evidence. |
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Term
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Definition
| A remote site that provides office space; the customer must provide and install all the equipment needed to continue operations. |
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Term
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Definition
| Using technology to search for computer evidence of a crime. |
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Term
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Definition
| The process of copying information to a different medium and storing it (preferably at an off-site location) so that it can be used in the event of a disaster. |
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Term
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Definition
| The procedures and processes for restoring an organization's IT operations following a disaster. |
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Term
| disaster recovery plan (DRP) |
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Definition
| A written document that details the process for restoring IT resources following an event that causes a significant disruption in service. |
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Term
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Definition
| A metallic enclosure that prevents the entry or escape of an electromagnetic field. |
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Term
| forensics (forensic science) |
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Definition
| The application of science to questions that are of interest to the legal profession. |
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Term
| heating, ventilation, and air conditioning (HVAC) |
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Definition
| Systems that provide and regulate heating and cooling. |
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Term
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Definition
| A system that can function for an extended period of time with little downtime. |
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Term
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Definition
| A layout in a data center that can be used to reduce heat by managing the air flow. |
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Term
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Definition
| A duplicate of the production site that has all the equipment needed for an organization to continue running, including office space and furniture, telephone jacks, computer equipment, and a live telecommunications link. |
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Term
| mean time between failures (MTBF) |
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Definition
| A statistical value that is the average time until a component fails, cannot be repaired, and must be replaced. |
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Term
| mean time to restore (MTTR) |
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Definition
| The average time needed to reestablish services to their former state. |
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Term
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Definition
| The sequence of volatile data that must be preserved in a computer forensic investigation. |
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Term
| RAID (Redundant Array of Independent Drives) |
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Definition
| A technology that uses multiple hard disk drives for increased reliability and performance. |
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Term
| recovery point objective (RPO) |
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Definition
| The maximum length of time that an organization can tolerate between backups. |
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Term
| recovery time objective (RTO) |
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Definition
| The length of time it will take to recover the data that has been backed up. |
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Term
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Definition
| A combination (clustering) of two or more servers that are interconnected to appear as one. |
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Term
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Definition
| A component or entity in a system which, if it no longer functions, would adversely affect the entire system. |
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Term
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Definition
| Determining in advance who will be authorized to take over in the event of the incapacitation or death of key employees. |
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Term
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Definition
| A technology in which every server in the cluster performs useful work and if one server fails, the remaining servers continue to perform their normal work as well as that of the failed server. |
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Term
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Definition
| A snapshot of the current state of the computer that contains all settings and data. |
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Term
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Definition
| A remote site that contains computer equipment but does not have active Internet or telecommunication facilities, and does not have backups of data. |
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