What is the use of cloudera?
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We have already sql then why nosql?
What is the difference between namenode and datanode in hadoop?
What are the main components of hadoop?
What is structured and unstructured data?
How does job tracker schedule a job for the task tracker?
What mode(s) can hadoop code be run in?
When and how to create hadoop archive?
Which operating system(s) are supported for production hadoop deployment?
Where are Hadoop’s configuration files located?
What is JPS? Why is it used in Hadoop?
What is active and passive NameNode in Hadoop?
What are the hadoop configuration files at present?
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