During business continuity planning, an organization decides it needs an alternate facility that can assume full production processing within minutes of a disaster because it is already equipped with compatible hardware, software, network connectivity, and up-to-date data. Which type of disaster-recovery site best satisfies this requirement?
A hot site is an exact or near-exact replica of the primary site. It contains all necessary hardware, software, and near-real-time copies of data, allowing the organization to fail over and resume operations almost immediately. A warm site has only some infrastructure and typically requires additional configuration and data restoration before it can take over. A cold site provides only basic power and environmental controls with no pre-installed systems, resulting in the longest recovery time. A mobile site is a temporary facility that also requires additional setup before becoming fully operational.
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What are the key differences between hot, warm, and cold sites?
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Why would an organization choose a hot site despite its higher cost?
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What role does data replication play in maintaining a hot site?