A site reliability engineer is designing a recovery strategy that requires quick failover to an identical site if the primary facility goes down. Which of the following types of sites should the engineer consider?
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Correct answer: Hot site.
Why this is the answer
A hot site is the correct choice because it is a fully equipped, mirrored facility that can be brought online almost immediately after a disaster, ensuring minimal downtime and quick failover. This aligns perfectly with the requirement for quick failover to an identical site. A recovery site is a general term and doesn't specify the level of readiness. A cold site is a basic facility with infrastructure but no equipment or data, requiring significant time to become operational. A warm site has some equipment and data but still needs more setup than a hot site, resulting in a longer recovery time.
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