Data pipeline and representativeness · Question 48 of 60

A new version of the operational pipeline is to be introduced without degrading the live data stream. Which tests in production are suitable for this?

3 answers are correct. Hard

1. A Back-to-back tests showing that the new version is at least as good as the old one
2. B Continuous monitoring with tools that observe behavior, performance and potential defects in real time
3. C A/B testing, which compares new pipeline iterations against a baseline
4. D A review of the pipeline design after the introduction
5. E A smoke test on the developer's computer