Explanatory Question
Why must data volumes be assessed early?
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Understanding data volume helps:
Select appropriate tools
Estimate migration duration
Avoid performance bottlenecks
High volumes require special handling, batching, and performance tuning.
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.