PCA (Prometheus Certified Associate) sample exam question with answer 301

Question:
A database backup service has an slo that states that 97% of all backup jobs will be completed within 60s. A histogram metric is configured to track the backup process time, which of the following bucket configurations is recommended for the desired SLO

  1. 1, 5, 10, 25, 35, 50, 80, 90
  2. 1, 3, 8, 10, 12, 15, 17, 30, 40, 55, 65, 70
  3. 35, 45, 55, 60, 65, 75, 100
  4. 10, 25, 27, 30, 32, 35, 40, 50
Answer:
C - correct answer