Which design principles belong to the Reliability pillar of the AWS Well-Architected Framework? (Choose two.)
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Correct answer: Automatically recover from failure., Stop guessing capacity..
Why this is the answer
The Reliability pillar focuses on ensuring a workload performs its intended function correctly and consistently when expected. "Automatically recover from failure" is a core principle, as it involves designing systems to detect and automatically repair issues, minimizing downtime and human intervention. "Stop guessing capacity" is also crucial for reliability; it advocates for using data to provision the right amount of resources, avoiding under-provisioning (leading to performance issues) or over-provisioning (leading to wasted resources). Granting everyone access to increase quotas is a security risk and not a reliability principle. Designing applications for a single Availability Zone creates a single point of failure, directly contradicting reliability. Planning to increase quotas in a secondary region first is an operational detail, not a fundamental reliability design principle.
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