SRE and DevOps fundamentals sample question with answer 116

Question:
What is fault injection?

1. being able to find the fault in the system before developers commit the code
2. adding a webhook to your system that checks for faults
3. intentionally applying an outage or performance degradation to a live system component
4. a part of observability tools

Answer:
C - is the correct answer. Yes, just like Chaos Monkey!