IS 301 - Big Data Graded A+

IS 301 - Big Data Graded A+ About 70 to 80 percent of the cost of a data warehouse project occurs during this phase. A.Extraction, Transformation and Loading (ETL) B. Feasibility study C. Visualization tools implementation D.Decision Support Systems (DSS) ️️A.Extraction, Transformation and Loading (ETL) The question, "What happened" is addressed using _____ analytics. A. predective B. Descriptive C. Diagnostic D. Prescriptive ️️B. Descriptive The widely respected Gartner Group has stated that only about __ percent of an enterprise's data reaches its data warehouse. a. 25 b. 15 c. 5 d. 35 ️️b. 15 The question, "What will happen?" is addressed using _____ analytics. a. descriptive b. prescriptive c. predictive d. diagnostic ️️c. predictive Which of these "v words" is NOT associated with Big Data? volume velocity verification variety ️️verification The question, "Why did it happen?" is addressed using _____ analytics. diagnostic predictive prescriptive descriptive ️️diagnostic As mentioned in lecture and the guest speaker's presentation, a major problem for companies implementing large-scale data analysis projects (data warehouse or Big Data visualization) is _____. poor data quality lack of SQL expertise lack of technology relational data standards ️️poor data quality The architecture of Hadoop is _____. modular proprietary vendor-specific monolithic ️️modular Hadoop databases are NOT known for/used for _____. ACID web interfaces scaling up SQL support ️️ACID The evolution of data visualization tools implies that information is more quickly and effectively conveyed by using _____ and _____. numbers lines colors movement ️️colors and movement