CIS 3050 Bank 4, Exam Review Questions and answers, rated A+/ 2024/25 EXAM PREDICTION QUESTIONS/

CIS 3050 Bank 4, Exam Review Questions and answers, rated A+ The analysis of data or information to support decision making is called: A) operational processing. B) informational processing. C) artificial intelligence. D) data scrubbing. - -B The characteristic that indicates that a data warehouse is organized around key high-level entities of the enterprise is: A) subject-oriented. B) integrated. C) time-variant. D) nonvolatile. - -A When we consider data in the data warehouse to be time variant, we mean: A) that the time of storage varies. B) data in the warehouse contain a time dimension so that they may be used to study trends and changes. C) that there is a time delay between when data are posted and when we report on the data. D) that time is relative. - -B The key discovery that triggered the development of data warehouses was: A) computer viruses. B) new ways to present information using mobile devices. C) the recognition of the differences between transactional systems and informational systems. D) the invention of the iPad. - -C Which of the following factors drive the need for data warehousing? A) Businesses need an integrated view of company information. B) Informational data must be kept together with operational data. C) Data warehouses generally have better security. D) Reduce virus and Trojan horse threats. - -A Which of the following organizational trends does not encourage the need for data warehousing? A) Multiple, nonsynchronized systems B) Focus on customer relationship management C) Downsizing D) Focus on supplier relationship management - -C Going from a summary view to progressively lower levels of detail is called data: A) cubing. B) drill down. C) dicing. D) pivoting. - -B Which of the following data-mining applications identifies customers for promotional activity? A) Population profiling B) Target marketing C) Usage analysis D) Product affinity - -B Informational systems are designed for all of the following EXCEPT: A) running a business in real time. B) supporting decision making. C) complex queries. D) data mining. - -A Operational and informational systems are generally separated because of which of the following factors? A) A data warehouse centralizes data that are scattered throughout disparate operational systems and makes them readily available for decision support