What is the SLA for a HA Failover?

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Multiple Choice

What is the SLA for a HA Failover?

Explanation:
High availability is all about staying online even when part of the system fails, and the speed of switching to a backup is just as important as the overall uptime target. The best choice combines an extremely high uptime target with a very fast failover, reflecting the goal of near-instant continuity: 99.999% uptime with a failover that completes in under five seconds. This means the system is designed to be operational almost all the time, and when a failure occurs, the switch to the backup happens so quickly that disruption is minimal. The other options suggest noticeably lower availability levels, which would allow more downtime, or an idealized 100% that isn’t realistic in practice.

High availability is all about staying online even when part of the system fails, and the speed of switching to a backup is just as important as the overall uptime target. The best choice combines an extremely high uptime target with a very fast failover, reflecting the goal of near-instant continuity: 99.999% uptime with a failover that completes in under five seconds. This means the system is designed to be operational almost all the time, and when a failure occurs, the switch to the backup happens so quickly that disruption is minimal. The other options suggest noticeably lower availability levels, which would allow more downtime, or an idealized 100% that isn’t realistic in practice.

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