📊 Site Reliability Engineer Assessment

SLOs, incident response, chaos engineering & toil reduction

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Question 1 of 100/10 answered

Reliability· Scenario-based

Q1.Your service has a single database with no replica. A disk failure takes the DB offline for 3 hours. Which design pattern would have prevented this outage?

Increase backup frequency from daily to hourly

Add a synchronous read replica in a separate availability zone with automatic failover

Enable connection pooling to reduce DB load

Add an application-level cache to reduce read queries

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+20 XP on completion (signed-in users)