What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?
What are the configuration files in Hadoop?
Compare Apache Hadoop and Apache Spark?
What are the different modes in which we can configure/install Hadoop?
Explain how Hadoop cluster hardware planning and provisioning is done?
How to create a user in Hadoop?
What are the major differences between Hadoop 2 and Hadoop 3?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
How to specify more than one path for storage in Hadoop?
What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
What is JPS? Why is it used in Hadoop?
What is the key difference between NameNode and DataNode in Hadoop?
What is Small File Problem in Hadoop? How can it be resolved?
Ideally what should be replication factor in a Hadoop cluster?
What is NameNode? How NameNode tackle Datanode failures in Hadoop?
