R Ravi Shankar 🎓 Newbie ⭐ 4.19K Points 📊 Hadoop Q. HDFS and NoSQL file systems focus almost exclusively on adding nodes to . . . . . . . . (A) Scale out (B) Scale up (C) Both Scale out and up (D) None of the mentioned 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) Scale out