PCA (Prometheus Certified Associate) sample exam question with answer 446

Question:
Which of the following is NOT a configurable scrape attribute?

1. Timeout
2. Interval
3. Proxy URL
4. SMTP Host

Answer:
D - is the correct answer. SMTP is the Simple Mail Transfer Protocol and has no role in Prometheus scrapes. More at scrape_config
A, B, C - are incorrect as these are a configurable scrape attributes