What if rack 2 and datanode fails?
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What is the default replication factor?
What are the basic available commands in Hadoop sqoop ?
Which is the best hadoop certification?
What are the problems with Hadoop 1.0?
What is Distributed Cache?
Can Hadoop be compared to NOSQL database like Cassandra?
Can hbase run without hadoop?
Explain the use of tasktracker in the hadoop cluster?
How client application interacts with the NameNode?
Why password is needed in ssh localhost?
Can the balancer be run while Hadoop is in use?
What is safe mode in Hadoop?
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