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Which design principle is included in the operational excellence pillar of the AWS Well-Architected Framework?
A
Create annotated documentation
B
Anticipate failure
C
Ensure performance efficiency
D
Optimize costs
Explanation:
The operational excellence pillar of the AWS Well-Architected Framework includes the design principle "Anticipate failure." This principle emphasizes designing systems that can withstand failures by implementing mechanisms such as:
Automated recovery: Building systems that can automatically detect and recover from failures
Failure testing: Regularly testing failure scenarios to ensure system resilience
Graceful degradation: Designing systems to continue operating with reduced functionality during failures
Monitoring and alerting: Implementing comprehensive monitoring to detect issues early
The other options belong to different pillars:
"Create annotated documentation" relates to operational excellence but is not a core design principle
"Ensure performance efficiency" belongs to the performance efficiency pillar
"Optimize costs" belongs to the cost optimization pillar