Top Big Data & Hadoop Interview Questions & Answers for 2024 🚀

Frequently asked questions in Interviews, <br />Should watch before going to face Big Data Interview<br /><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 QlikView/Tableau 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?