Security+ Chapter 13 – Flashcards
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business continuity
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the ability of an organization to maintain operations and services in the face of a disruptive event.
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Business continuity planning and testing
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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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continuity of operations
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the ability of a business to continue to function in the event of a disaster.
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business impact analysis (BIA)
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An analysis that identifies mission-critical business functions and quantifies the impact a loss of such functions may have on the organization in terms of its operational and financial position.
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chain of custody
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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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clustering
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Combining two or more servers to appear as one single unit.
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cold site
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A remote site that provides office space; the customer must provide and install all the equipment needed to continue operations.
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computer forensics
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Using technology to search for computer evidence of a crime.
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disaster recovery plan (DRP)
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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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data backup
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The process of coyping information to a different medium and storing it (preferably at an offsite location) so that it can be used in the event of a disaster.
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Faraday cage
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A metallic enclosure that prevents the entry or escape of an electromagnetic field.
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forensics (forensic science)
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The application of science to questions that are of interest to the legal profession.
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heating, ventilation, and air conditioning (HVAC)
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Systems that provide and regulate heating and cooling.
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high availability
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A system that can function for an extended period of time with little downtime.
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hot aisle/cold aisle
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A layout in a data center that can be used to reduce heat by managing air flow.
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hot site
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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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IT contingency planning
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The process of developing an outline of procedures to be followed in the event of a major IT incident or an incident that directly impacts IT.
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mean time between failures (MTBF)
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A statistical value that is the average time until a component fails, cannot be repaired, and must be replaced.
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mean time to recovery (MTTR)
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The average time for a device to recover from a failure that is not a terminal failure.
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order of volatility
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The sequence of volatile data that must be preserved in a computer forensic investigation.
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RAID (Redundant Array of Independent Drives)
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A technology that uses multiple hard disk drives for increased reliability and performance.
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recovery point objective (RPO)
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The maximum length of time that an organization can tolerate between backups.
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recovery time objective (RTO)
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The length of time it will take to recover data that has been backed up.
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risk assessment
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The process of identifying threats.
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single point of failure
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A component or entity in a system which, if it no longer functions, would adversely affect the entire system.
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succession planning
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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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system image
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A snapshot of the current state of the computer that cntains all settings and data.
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tabletop exercises
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Exercises that simulate an emergency situation but in an informal and stress-free environment.
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warm site
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A remote site that contains computer equipment but does not have active Internet or telecommunication facilities, and does not have backups of data.
