Why the name ‘hadoop’?
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How is hadoop different from other data processing tools?
What is a secondary namenode?
Explain what is sqoop in Hadoop ?
Explain the features of stand alone (local) mode?
What are the limitations of importing RDBMS tables into Hcatalog directly?
How to enable trash/recycle bin in hadoop?
what are Task Tracker and Job Tracker?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
What is the meaning of the term "non-DFS used" in Hadoop web-console?
What are the hadoop's three configuration files?
What are different hdfs dfs shell commands to perform copy operation?
Which data storage components are used by hadoop?
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