Hadoop quiz

Test your Hadoop knowledge with a free interactive quiz — 22 questions with answers and explanations. No signup needed to play.

What is HDFS?

1. What is HDFS?
2. What problem was Hadoop originally designed to solve?
3. Which tool lets you query Hadoop data using a SQL-like language?
4. What is Apache Hadoop?
5. What does "moving computation to the data" mean in Hadoop?
6. What is YARN in Hadoop?
7. What is MapReduce?
8. What kind of hardware is Hadoop designed to run on?
9. Why does HDFS replicate data blocks across nodes?
10. What are the three core components of Hadoop?

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