Q. In advanced MapReduce, what is the purpose of the Hadoop MapReduce "Map Output Sorting"? (A) Sort keys on the mapper side (B) Sort keys on the reducer side (C) Sort keys within a reducer (D) Sort keys across multiple reducers 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) Sort keys on the mapper side