R Rati Dubey 🎓 Tutor III ⭐ 8.55K Points 📊 Hadoop Q. How does a client read data from HDFS? (A) Through the NameNode only (B) Through the DataNode only (C) First contact NameNode, then read from DataNodes (D) Only from Secondary NameNode 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) First contact NameNode, then read from DataNodes Explanation: Client contacts NameNode to get block locations and then reads directly from DataNodes.