A proof of concept helps by:
Validating assumptions made during discovery
Revealing technical constraints early
Demonstrating actual user interaction
Identifying performance or integration challenges
PoC insights often lead to refining, reprioritizing, or redefining requirements before final implementation.
First read the answer fully, then try to explain it in your own words. After that, open a few related questions and compare the concepts. This method helps you remember the topic for a longer time and improves exam preparation.