PCA (Prometheus Certified Associate) sample exam question with answer 266

Question:
Analyze the alertmanager configs below. For all the alerts that got generated, how many total notifications will be sent out?

route:
  receiver: general-email
  group_by: [alertname]
  routes:
    - receiver: frontend-email
      group_by: [env]
      matchers:
        - team: frontend

The following alerts get generated by Prometheus with the defined labels.

alert1
	team: frontend
	env: dev
alert2
	team: frontend
	env: dev
alert3
	team: frontend
	env: prod
alert4
	team: frontend
	env: prod
alert5
	team: frontend
	env: staging

1. 1
2. 4
3. 2
4. 3
5. 5

Answer:
D - correct answer, there are 3 groups of alerts