Is it possible to provide multiple inputs to hadoop? If yes, explain.
Define fault tolerance?
What is the difference between SQL and NoSQL?
What is small file problem in hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
what are the nodes in the Hadoop cluster?
What is the difference between HDFS and NAS ?
What happens to a NameNode that has no data?
What is Hadoop serialization?
What is Distributed Cache?
How can you connect an application
How to come out of the insert mode?
What problems have you faced when you are working on Hadoop code?
Where is the Mapper Output intermediate kay-value data stored ?
Explain how input and output data format of the hadoop framework?