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Answer Posted / priyanka
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Explain why the name ‘hadoop’?
Mention what is the use of Context Object?
Can NameNode and DataNode be a commodity hardware?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
What is the communication channel between client and namenode/datanode?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
Is client the end user in HDFS?
How is the option in Hadoop to skip the bad records?
On what basis name node distribute blocks across the data nodes?
what should be the ideal replication factor in hadoop?
What is NoSQL?
What is the default replication factor?
Explain the difference between NameNode
What is the difference between rdbms and hadoop?
How can you connect an application
