Chapter8&9 quiz

Chapter8&9 quiz - Question '1 Which of the...

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Unformatted text preview: Question '1 Which of the following describes ETL'EI O R process that extracts information from internal and external databases 0 aprocess that transforms information using a common set of enterprise definitions 0 Aprocess that loads information into a data warehouse 8 ml of the above Question 2 What is data mining? O The mmmon term for the representation of multidimensional information Q A particular attn‘hute of information Q A process that uses a variety of techniques to load information into a database 6 A process of analyzing data to extra: information not offered by the raw data alone Question 3 What does the Data Warehousing Institute estimate that low—quality information costs US. businesses annually? 0 $500 million 0 $60 billion 8 $600 billion 0 It is impossibleto determine Question 4 Which oubeis) contains information about Promo I? iCube a] {Cube b} lCUbe cl Store 3 Store 3 Store 3 State 2 Slots 2 Store 2 Store 1 Store 1 Store 1 Product A Product A Product .A Product B Product B Product B Product c Product E Product [2 Product 0 Product D I Product D Product E Product E A Product E '- = = :- ‘- = = :n — = 2 :- E g E E E g E E E g E E a a s e e =- 5 e e a s e “L i c: a “L E a: a “- i a c: 8 Only cube a 0 Only cube b O Cubes a and b 0 All of the cubes Question 5 Which cube(s) would be most efficient for determining whether geography impacted the effectiveness of Promo II? lCube 3] {Cube 1?} lCube cl State 3 Std re 3 Store 3 Store 2 Store 2 Store 2 Store 1 Store 1 Store 1 Product A Product A Produ :1 A Product B Product B Product B a Product 1: Product I: Produ at C Product E) Product D Product D Product E Product E Product E a: 5% E‘ e “'n. Promo Ill Promo IV Promo lll Promo IV Promol Promoli Promo lli Promo IV a: E E 9 e “'n. O Cubea 8 Cuban 0 Cuber: O Nlot the cubes Question 6 Which ofthe following is a quantitative mode! typically used by a 085? 0 Sensitivity analysis 0 WhaHtanalysis O Goal-seeking analysis a Nlofthe above Question 7 Which of the following represents the top—down (executives to analysts) organizational levels of information technology systems? 0 TF'S‘ DSS. EIS O DSS. TPS. EIS e EIS. DSS, TF'S 0 It varies from organization to organization Question 8 What integrates information from multiple oompone his and tailors the information to individual preferenoes? O Drill-down 0 Sensitivity analysis 0 What-it analysis 8 Digital dashboard Question 9 What is the data-mining analysis technique used to divide a set of data into mutually exclusive groups? 0 Association detection anatysis a Cluster analysis 0 Drill-down analysis 0 Factor analysis Question 10 What is the main difference between a data warehouse and a data mart? e A data mart is generally a subset of a data warehouse O A data mart is more useful that a data warehouse Q A data warehouse is generally a subset ot a data mart O A data warehouse is more useful than a data mart ...
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Chapter8&9 quiz - Question '1 Which of the...

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