A company wants to launch its workload on AWS and requires the system to automatically recover from failure. Which pillar of the AWS Well-Architected Framework includes this requirement?

The correct answer is D. Reliability. The Reliability pillar encompasses the ability of a workload to perform its intended function correctly and consistently when it's expected to. This includes the ability to operate and test the workload through its total lifecycle. You can find prescriptive guidance on implementa

Submitted by jian89· Mar 6, 2026Cloud Concepts

Question

Options

ACost optimization
BOperational excellence
CPerformance efficiency
DReliability

How the community answered

(34 responses)

B
3% (1)
C
3% (1)
D
94% (32)

Explanation

The Reliability pillar encompasses the ability of a workload to perform its intended function correctly and consistently when it's expected to. This includes the ability to operate and test the workload through its total lifecycle. You can find prescriptive guidance on implementation in the Reliability Pillar whitepaper. Design Principles There are five design principles for reliability in the cloud: - Automatically recover from failure - Test recovery procedures - Scale horizontally to increase aggregate workload availability - Stop guessing capacity - Manage change in automation

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