Frequently asked questions in Interviews, Should watch before going to face Big Data Interview
Q1: Why Data is called Big Data ? Q2: What is Structured and Unstructured data? Q3: What are V’s of Big Data? Q4: Why Hadoop is used as a Database for BIG DATA? Q5: What is Hadoop architecture and its main components to build right solutions to a given business problems? Q6: What is NoSQL ? Q7: Do we need to define primary key for MogoDB ? Q8: What is a life cycle of big data analytics? Q9: How Big Data, Hadoop, Pentaho and QlikView/Tableau interlinked in real time? Q10: How traditional database RDBMS is different from Hadoop database? Q11: What are the best Software & Hardware configuration to run Hadoop? Q12: What are the various Hadoop daemons and their roles in a Hadoop cluster? Q13: What all modes Hadoop can be run in? Q14: What are the most common Input Formats in Hadoop? Q15: What is the difference between Hadoop and Spark?
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