M Mr. Dubey 🎓 Coach ⭐ 102.92K Points 📊 Hadoop Q. What is a block in HDFS? (A) A collection of directories (B) A fixed-size chunk of data (C) A metadata unit (D) An execution unit 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) A fixed-size chunk of data Explanation: In HDFS, data is split into fixed-size blocks for storage and processing.