M Mr. Dubey 🎓 Coach ⭐ 102.92K Points 📊 Hadoop Q. Which of the following is true about the Secondary NameNode? (A) It replaces the NameNode in failure (B) It performs checkpoints of HDFS metadata (C) It manages job execution (D) It stores all files in HDFS 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) It performs checkpoints of HDFS metadata Explanation: Secondary NameNode periodically merges edit logs with the file system image to create checkpoints.