Explain the basic architecture of Hadoop?
Explain what if rack 2 and datanode fails?
What is speculative execution in Hadoop?
What are the modules that constitute the Apache Hadoop 2.0 framework?
Explain use cases where SequenceFile class can be a good fit?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
Is hadoop based on google mapreduce?
Explain how is hadoop different from other data processing tools?
How does master slave architecture in the hadoop?
How you can contact your client everyday ?
Which is the best hadoop certification?
Explain the features of fully distributed mode?
What are the functions of NameNode?