M Mr. Dubey 🎓 Coach ⭐ 103.11K Points 📊 Hadoop Q. What is the function of the Secondary NameNode? (A) Stores data (B) Backs up the DataNode (C) Merges NameNode metadata (D) Processes MapReduce jobs 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) Merges NameNode metadata Explanation: The Secondary NameNode periodically merges the file system image with the edit logs to help the NameNode.