Big Data 101 Exam Questions With Verified Answers

Big Data 101 Exam Questions With Verified Answers Big Data - answerA collection of data sources inside and outside your company that represents a source for ongoing discovery and analysis 4 Vs of Big Data - answerVelocity (speed of the data) Volume (Scale of the data. Increase in the amount of data stored. Variety (Diversity of the data.) Veracity (Certainty of the data. Accuracy) Velocity - answerData is being generated extremely fast; a process that never stops. Drivers: improved connectivity competitive advantage precomputed information Volume - answerThe amount of data being generated is vast compared to traditional data sources Drivers: increase in data sources higher resolution sensors scalable infrastructure Variety - answerData comes from different sources2 Drivers: mobile social media video genomics Internet of things (IoT) Veracity - answerQuality and origin of data Drivers: cost need of traceability and justification Value - answerturn data into value Companies like amazon and netflix uses algorithms based on big data to make specific recommendations based on customer preferences - answerwhen amazon uses recommendations for you to purchase something. Recommendations engines are a common application of big data. Siri also uses big data to devise answers to the infinite number of questions and end users may ask. - answer Name one of the drivers of Volume in the Big Data Era? - answerScalable Infrastructure Value from Big Data can be _____________? - answerProfits In the video, 2.5 Quintillion Bytes of data are equivalent to how many blue ray DVDs? - answer10 Million Facts - answerMore data has been created in the past two years than in the entire history of humankind. Fact - answerBy 2020, about 1.7 megabytes of new information will be created every second for every human being in the world. By 2020, the data we create and copy will reach around 35 zettabytes, up from only 7.9 zettabytes today.