Big Data Exam Questions And Answers (Updated And Verified)

Big Data Exam Questions And Answers (Updated And Verified) What is Big Data? - answerBig data is a term which is used to describe any data set that is so large and complex that it is difficult to process using traditional applications. T/F: Big Data is an objective term? - answerFalse. Describe at least three sources of Big Data. - answerArchives, Machine logs, Public Web, Sensor Data, Social Media State and explain the characteristics of Big Data: Volume - answerThe vast amount of data that must be dealt with. State and explain the characteristics of Big Data: Velocity - answerThe speed at which data is being received and processed. State and explain the characteristics of Big Data: Variety - answerThe many sources from which Big Data can be drawn. State and explain the characteristics of Big Data: Variability - answerThe inconsistencies which are often found in Big Data sets. State and explain the characteristics of Big Data: Veracity - answerThe inaccuracies which are often found within big data. State and explain the characteristics of Big Data: Complexity - answerThe challenges of linking various sources of data to infer a trend. How is Big Data used? - answerIt is used to drawn trends and patterns from large and varied data sets. Why is Big Data used? - answerUsed to show relationships and dependencies between events. Provide a real world example of Big Data. - answerObama's 2012 reelection campain. What is Hadoop and why is it used? - answerHadoop is an open source software product for distributed storage and processing of Big Data. Develops a parallel database architecutre running arcoss many different nodes. Why do traditional DMS's fail when big data is involved? - answerThey aren't flexible enough to handle the variety and