M Mr. Dubey 🎓 Coach ⭐ 102.92K Points 📊 Hadoop Q. Which of the following stores columnar data for fast analytics in Hadoop? (A) JSON (B) CSV (C) Parquet (D) TXT 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) Parquet Explanation: Apache Parquet is a columnar storage format optimized for fast retrieval and analytics.