Does Hadoop requires RAID?
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Explain the features of pseudo mode?
What is the communication channel between client and namenode/datanode?
What is Your Cluster size ?
What exactly is hadoop?
Is hadoop obsolete?
What is a Secondary Namenode? Is it a substitute to the Namenode?
What is HDFS ? How it is different from traditional file systems?
What is Derby database?
what is meaning Replication factor?
Explain how is hadoop different from other data processing tools?
Explain the core components of hadoop?
What is formatting of the dfs?
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