PCA (Prometheus Certified Associate) sample exam question with answer 130

Question:
Management has decided to offer a file upload service where the SLO states that 97% of all upload should complete within 30s. A histogram metric is configured to track the upload time, which of the following bucket configurations is recommended for the desired SLO?

1. 1, 3, 8, 10, 12, 15, 17
2. 35, 45, 55, 65, 75, 100
3. 1, 5, 10, 25, 35, 50
4. 10, 25, 27, 30, 32, 35, 40, 50

Answer:
D - corrent answer