PCA (Prometheus Certified Associate) sample exam question with answer 461

Question:
What is the definition of an error budget policy?

1. A set of actions to be taken when an SLO or SLA has been breached
2. The maximum time a system can be down without violating an SLO
3. The maximum time a system can be down without violating an SLA
4. A set of actions to be taken when an SLI has been breached

Answer:
A - is correct
B, C - is incorrect as this is the definition of an error budget
D - is incorrect as there is no such thing as breaching an SLI