Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
What is salary of hadoop developer?
What is a namenode? How many instances of namenode run on a hadoop cluster?
Explain the features of stand alone (local) mode?
What problems have you faced when you are working on Hadoop code?
What is cloudera and why it is used?
What is the difference between HDFS and NAS ?
What is the purpose of button groups?
What is a “Distributed Cache” in Apache Hadoop?
What is a Record Reader in hadoop?
what is the default replication factor in HDFS?
What are the steps to submit a Hadoop job?
What is Derby database?
How many JVMs run on a slave node?
Why is hadoop faster?
shouldn't DFS be able to handle large volumes of data already?
