IS TB ch. 5 Questions and answers graded A+ 2023 PASSED

IS TB ch. 528. Which of the following is not a source for external data? A. Commercial databases B. Corporate databases C. Sensors D. Satellites E. Government reports Answer: B Section reference 1: Managing Data Difficulty: Easy Learning Objective 1: LO 5.1 Discuss ways that common challenges in managing data can be addressed using data governance. 29. Which of the following is not a reason why managing data is difficult over time? A. New systems are developed. B. The media the data are stored on becomes problematic. C. New sources of data are created. D. The amount of data increases exponentially. E. All of these are reasons why managing data is difficult over time. Answer: E Section Reference 1: Managing Data Difficulty: Medium Learning Objective 1: LO 5.1 Discuss ways that common challenges in managing data can be addressed using data governance. 31. The amount of data produced worldwide is increasing by ___% each year. a) 10 b) 50 c) 90 d) It is not increasing at all. Answer: b Section reference 1: Big Data Difficulty: Easy Learning Objective 1: LO 5.2. Define Big Data, and discuss its basic characteristics. 32. What are the three distinct characteristics that distinguish big data from traditional data? a) volume, variety and veracity b) volume, velocity and verification c) volume, velocity and variety d) volume, verification and variety Answer: c Section reference 1: Big Data Difficulty: Medium Learning Objective 1: LO 5.2. Define Big Data, and discuss its basic characteristics. 33. Traditional data formats change ______ while big data formats change _______. a) slowly, rapidly b) rapidly, slowly c) slowly, incrementally d) both formats of data change at the same rate Answer: a Section reference 1: Big Data Difficulty: Medium Learning Objective 1: LO 5.2. Define Big Data, and discuss its basic characteristics. 34. Why are many organizations turning to NoSQL databases to manage big data? a) NoSQL databases do not allow for missing data b) NOSQL databases can process unstructured as well as structured data c) NoSQL databases have a finite amount of data they can handle d) NoSQL databases are less expensive than other databases Answer: b Section Reference 1: Big Data Difficulty: Hard Learning Objective 1: LO 5.2. Define Big Data, and discuss its basic characteristics. 35. Not including alphabetic characters in a Social Security Number field is an example of _____ . A. Data isolation. B. Data integrity. C. Data consistency. D. Data redundancy. E. Application/data dependence. Answer: B Section reference 1: The Database Approach Difficulty: Easy Learning Objective 1: LO 5.3 Explain how to interpret the relationships depicted in an entity-relationship diagram. 36. _____ occurs when applications cannot access data associated with other applications. A. Data isolation B. Data integrity C. Data consistency D. Data redundancy E. Application/Data dependence Answer: A Section reference 1: The Database Approach Difficulty: Easy Learning Objective 1: LO 5.3 Explain how to interpret the relationships depicted in an entity-relationship diagram. 37. _____ occurs when the same data are stored in many places. A. Data isolation B. Data integrity C. Data consistency D. Data redundancy E. Application/Data dependence Answer: D Section reference 1: The Database Approach Difficulty: Easy Learning Objective 1: LO 5.3 Explain how to interpret the relationships depicted in an entity-relationship diagram.