M Mr. Dubey 🎓 Coach ⭐ 102.92K Points 📊 Hadoop Q. What does speculative execution in Hadoop do? (A) Executes all jobs twice (B) Executes backup tasks for slow tasks (C) Increases disk usage (D) Compresses large files 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) Executes backup tasks for slow tasks Explanation: Speculative execution runs duplicate tasks to handle straggling tasks and improve performance.