Knox and Hadoop Development Tools?
In which location Name Node stores its Metadata and why?
Is a job split into maps?
What are different hdfs dfs shell commands to perform copy operation?
If a data Node is full how it's identified?
What are the site-specific configuration files in Hadoop?
On what basis data will be stored on a rack?
How is HDFS fault tolerant?
How to Administering Hadoop?
What are the main components of a Hadoop Application?
How to resolve small file problem in hdfs?
what factors the block size takes before creation?
Which are the two types of 'writes' in HDFS?
Explain use cases where SequenceFile class can be a good fit?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?