Define a daemon?
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What is safe mode in Hadoop?
Explain why the name ‘hadoop’?
Explain the core components of hadoop?
What exactly is hadoop?
Explain how is hadoop different from other data processing tools?
What is a Record Reader in hadoop?
explain Metadata in Namenode?
How can you connect an application
How will you make changes to the default configuration files?
how can we change Replication Factor?
What is Rack awareness?
What other technologies have you used in hadoop sta ck?
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