Define a commodity hardware? Does commodity hardware include ram?

777

---

Explain the hadoop configuration files at present?

705

---

Explain the difference between gen1 and gen2 hadoop with regards to the namenode?

770

---

Explain why the name ‘hadoop’?

753

---

Define a combiner?

700

---

Explain the master class and the output class do?

691

---

Explain the features of stand alone (local) mode?

673

---

Name the examples of some companies that are using hadoop structure?

730

---

What is structured data?

694

---

Define streaming access?

708

---

Define fault tolerance?

702

---

What do sorting do?

721

---

What is nlineoutputformat?

719

---

Explain why do we need hadoop?

714

---

Explain the features of pseudo mode?

756

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