Compare Hadoop and RDBMS?
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What is Federation?
How would an hadoop administrator deploy various components of hadoop in production?
What is the command to change the replication factor ?
Name the most common input formats defined in hadoop?
What is fsck?
Explain how Hadoop cluster hardware planning and provisioning is done?
Explain what is a sequence file in hadoop?
Explain what is storage and compute nodes?
Can you explain the common input formats in hadoop?
What is Chain Mapper?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
What is meant by streaming access?
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