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An architect needs to prove a system survives sudden failure of a region. Which technique is referenced in the PCA exam guide §6.6 as part of ensuring reliability in production?
AManually deleting prod resources during business hours without coordination
BChaos engineering experiments (injecting controlled failures)
CDisabling all alerts
DRemoving health checks
Answer & Solution
Correct answer: B. Chaos engineering experiments (injecting controlled failures)
Chaos engineering is the disciplined practice of injecting failures to validate resilience (per the exam guide §6.6). The other options are reckless or counter-productive.
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