What is the difference between SQL and NoSQL?
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How do you categorize a big data?
Why the name ‘hadoop’?
How can one increase replication factor to a desired value in Hadoop?
What is keyvaluetextinputformat?
Is secondary namenode a substitute to the namenode?
How can I restart namenode?
Explain the core components of hadoop?
What is the Use of SSH in Hadoop ?
Explain the benefits of block transfer?
Can we have multiple entries in the master files?
Can we call vms as pseudos?
Are Namenode and job tracker on the same host?
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