PCA (Prometheus Certified Associate) sample exam question with answer 84

Question:
Regarding alert symptoms and causes, which of the following is true?

1. Causes correspond to consumer-visible issues
2. Causes are a better way to capture more problems more comprehensively and robustly with less effort
3. Causes are unimportant and can be ignored
4. Symptoms correspond to consumer-visible issues

Answer:
D - check alerting
A, B - this is actually true of symptoms, not causes
C - is incorrect as causes are still important and underlie the symptoms experienced by your users and thus need to be addressed when issues arise. However, it is often more efficient and effective to alert on the symptoms, not the causes