20)Current total storage capacity lags behind the digital information being generated in the world Answer: TRUE Diff: 2 Page Ref: 406 21)Using data to understand customers/clients and business operations to sustain and foster growth and profitability is A)easier with the advent of Bi and Big Data B)essentially the same now as it has always been C)an increasingly challenging task for today's enterprises D)now completely automated with no human intervention required Answer: C Diff: 2 Page Ref: 373 22)A newly popular unit of data in the Big Data era is the petabyte(PB), which is A)109 bytes B)1012 bytes C)1015 bytes D)1018 bytes Answer: C Diff: 2 Page Ref: 375 23)Which of the following sources is likely to produce Big Data the fastest? A)order entry clerks B)cashi C)RFID tags D)online customers Answer: C Diff:2 Page Ref: 374 24)Data flows can be highly inconsistent, with periodic peaks, making data loads hard to manage. What is this feature of Big Data called? A) volatile B) periodicity C) D)variability Ansy Diff:2 Page Ref: 376 25)In the Twitter case study, how did influential users support their tweets? A) B)objective data C)multiple posts D)references to other users Answer: B Diff:2 Page Ref: 392 Copyright o 2018 Pearson Education, Inc3 Copyright © 2018 Pearson Education, Inc. 20) Current total storage capacity lags behind the digital information being generated in the world. Answer: TRUE Diff: 2 Page Ref: 406 21) Using data to understand customers/clients and business operations to sustain and foster growth and profitability is A) easier with the advent of BI and Big Data. B) essentially the same now as it has always been. C) an increasingly challenging task for today's enterprises. D) now completely automated with no human intervention required. Answer: C Diff: 2 Page Ref: 373 22) A newly popular unit of data in the Big Data era is the petabyte (PB), which is A) 109 bytes. B) 1012 bytes. C) 1015 bytes. D) 1018 bytes. Answer: C Diff: 2 Page Ref: 375 23) Which of the following sources is likely to produce Big Data the fastest? A) order entry clerks B) cashiers C) RFID tags D) online customers Answer: C Diff: 2 Page Ref: 374 24) Data flows can be highly inconsistent, with periodic peaks, making data loads hard to manage. What is this feature of Big Data called? A) volatility B) periodicity C) inconsistency D) variability Answer: D Diff: 2 Page Ref: 376 25) In the Twitter case study, how did influential users support their tweets? A) opinion B) objective data C) multiple posts D) references to other users Answer: B Diff: 2 Page Ref: 392