M Mr. Dubey 🎓 Coach ⭐ 104.58K Points 📊 Hadoop Q. Which component tracks job progress in Hadoop 1.x? (A) NameNode (B) JobTracker (C) NodeManager (D) ResourceManager 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) JobTracker Explanation: JobTracker manages job execution in Hadoop 1.x.