PCA (Prometheus Certified Associate) sample exam question with answer 427

Question:
What is the meaning of the repeat_interval attribute in an Alertmanager route?

1. Whether an alert should continue matching subsequent sibling nodes
2. How long to wait before sending a notification again if it has already been sent successfully for an alert
3. How long to wait before sending a notification about new alerts that are added to a group of alerts for which an initial notification has already been sent
4. How long to initially wait to send a notification for a group of alerts

Answer:
B - is the correct answer
A - is incorrect as this is the meaning of the continue attribute
C - is incorrect as this is the meaning of the group_interval attribute
D - is incorrect as this is the meaning of the group_wait attribute