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Hadoop General Interview Questions
Un-Answered Questions { Hadoop General }
If the hadoop administrator needs to make a change, which configuration file does he need to change?
What is the basic difference between traditional RDBMS and Hadoop?
What is data cleansing?
Is hadoop still in demand?
List of some best tools that can be useful for data-analysis?
Why do we need hadoop for big data analytics?
Mention what are the three modes in which hadoop can be run?
Which are the three modes in which hadoop can be run?
Explain the usage of Context Object?
How would you check whether your NameNode is working or not?
What is a namenode?
Why would nosql be better than using a sql database? And how much better is it?
In hadoop_pid_dir, what does pid stands for?
Why cloudera is used?
What are the core methods of a Reducer?
