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Which common cloud failure cause do many engineers overlook?

  1. A Hitting a service quota such as Lambda concurrency during a traffic spike
  2. B Running out of IP addresses in a region
  3. C Certificate rotation by AWS
  4. D Regional DNS changes
Answer

Hitting a service quota such as Lambda concurrency during a traffic spike

Monitoring quota utilisation alongside normal metrics prevents an outage that looks like an application failure but is a limit.

All AWS MCQs

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