Name the files which are used by the startup and shutdown commands?
Define a record reader?
Is hadoop still in demand?
What are the most common InputFormats in Hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job?
For using hadoop list the network requirements?
What is the role of the secondary namenode?
What is job tracker in Hadoop?
What are the core methods of a Reducer?
What are the features of Standalone (local) mode?
What are the different modes in which we can configure/install Hadoop?
What are the four modules that make up the Apache Hadoop framework?
How to add/delete a Node to the existing cluster?
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