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