Top 10 Hadoop interview questions
1. What is Big Data?
2. What is Hadoop?
3. What are the components of a Hadoop Cluster?
4. What is single point of failure in Hadoop and why?
5. List down the functions of NameNode.
6. What is the function of Job Tracker?
7. What are the phases in a Map Reduce Job Processing?
8. How do you copy data from local to cluster and vice versa?
9. What are the different file formats in Hadoop?
10. What do you mean by decommission a data node in Hadoop?
2. What is Hadoop?
3. What are the components of a Hadoop Cluster?
4. What is single point of failure in Hadoop and why?
5. List down the functions of NameNode.
6. What is the function of Job Tracker?
7. What are the phases in a Map Reduce Job Processing?
8. How do you copy data from local to cluster and vice versa?
9. What are the different file formats in Hadoop?
10. What do you mean by decommission a data node in Hadoop?
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