A financial services company needs to ensure its critical operations can resume as quickly as possible following a catastrophic event at its primary data center. To meet a recovery time objective (RTO) of less than one hour, which type of disaster recovery site should the company implement for the highest level of availability?
A hot site is a fully equipped and operational duplicate of the primary site, often with real-time data synchronization, designed for immediate or near-immediate failover. This meets the requirement for the fastest possible recovery time, typically within minutes to hours. A warm site has hardware and connectivity but requires data to be restored from backups, leading to a recovery time of hours to days. A cold site is a basic facility with space, power, and cooling, but no pre-installed hardware, resulting in a recovery time of weeks or longer. 'Lukewarm site' is not a standard industry term for disaster recovery sites.
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What is a hot site in disaster recovery?
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What factors determine which type of disaster recovery site to choose?