What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?41
List Hadoop’s three configuration files?
List some use cases where classification machine learning algorithms can be used.
What are the hadoop configuration files at present?
Which database is used in hadoop?
Mention what is the difference between an rdbms and hadoop?
What are some typical functions of job tracker in hadoop?
Can hadoop handle streaming data?
Clarify what is sequence file input format?
Do we need to place 2nd and 3rd data in rack 2 only?
What kind of hardware is best for hadoop?
How to create a user in Hadoop?
What is the difference between namenode and datanode in hadoop?
What is Mapper in Hadoop?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?