MLS-C01 Data Engineering • Timed 100 Questions
This is a timed practice session. You have 100 minutes to answer 100 questions — approximately 1 minute per question, matching real MLS-C01 exam pace. Answer every question before time expires.
Time remaining
100:00
Exam-pace drill
Allow 1 minute per question. On the real MLS-C01 exam you have approximately 72 seconds per question — this session trains you to maintain that pace under pressure.
A machine learning team needs to create a training dataset by joining two large datasets (10 TB and 5 TB) stored in S3. The join key is 'user_id'. They want to minimize data movement and cost. Which approach should they use?
100 minute time limit — choose an answer to begin.
100 questions · 100 minute exam-pace drill.