Gracias edusum! I am pleasantly surprised

I am a Spanish and i wanted something challenging to practice for D-DS-OP-23 Online Test certification exam. I got this opportunity to give a demo test for Dell Technologies Data Engineering Optimize. I found out that it really boggled my mind to answer the questions. So, i became a member of this site. Since then, i have always thanked the day when i gave the demo test.

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