Explain the features of pseudo mode?
What is the default block size in hdfs?
On which port does ssh work?
What is Rack awareness?
What is keyvaluetextinputformat?
what is SPF?
how would you modify that solution to only count the number of unique words in all the documents?
Explain what is sqoop in Hadoop ?
what should be the ideal replication factor in hadoop?
Can we do online transactions(oltp) using hadoop?
What is a namenode? How many instances of namenode run on a hadoop cluster?
What is the difference between rdbms and hadoop?
Should we use RAID in Hadoop or not?