Lastname, Firstname: 29. Which of the following systems is not related to the rest? a) Reporting systems. b) Customer Relationship Management software. c) Online analytical
Lastname, Firstname: 29. Which of the following systems is not related to the rest? a) Reporting systems. b) Customer Relationship Management software. c) Online analytical processing software. Data mining software. 30. In an OLAP cube the business category (business entities), such as product, customer, and sales region, are called? a) Columns. b) Measures. c) Dimensions. Levels of dimensions. 31. The following tools and resources are useful and relevant for building and using business intelligence in an organization except? a) Data mining tool. b) Data mart. c) ETL. Data warehouse. 2) All the listed systems are useful for building BI in organizations. 32. The following are statement is false about a data warehouse? a) The data warehouse is usually updated periodically. The data warehouse holds data in aggregated format. c ) The data warehouse is designed to perform deep analysis of data. d) All the data in operational databases must be copied into a data warehouse for analytical purposes. 33. OLAP systems are used for which kind of analysis? a) Descriptive analytics. b) Diagnostic analytics. c) Predictive analytics. d) Cognitive analytics. 34. are analytical data stores which are designed to focus on specific segment or functional area of a data warehouse. a) SQL tables. b) Database rows. c) Data marts. d) Database scripts.Lastname , Firstname : _ as. which of the following is not a possible use of data mining? Customer segmentation analysis. Collaborative filtering. c) Fraud detection analyses. d) None of the listed can be excluded. The uses are all valid. 36. Which of the following statements is true about an EDI system? a) They are used to store business documents. c ) b) They are replacements for enterprise software. They are used to digitally exchange business documents. They are replacements for functional software. 37. The. is a computer network which uses Internet technologies and connects a company to its suppliers and partners in another city. a) Local area network. b) Intranet. c) Extranet. d) Internet. 38. Henry Johnson has to decide which kind of topology to use for his company's Intranet. Which of the following statements is false about the star topology? a) It has higher cabling cost than the bus topology. b) It offers better security than the bus topology. It manifests better operational reliability than the bus topology. d) It sends network signals faster than the bus topology. e) All the listed characteristics are about star topology. 39. Lexis company is planning to deploy a network. Which of the following statements is false about the deployment of a server and a local area network? a) The organization would be able to share valuable resources. b) The organization would be able to overcome the barrier of time and space. The organization would have to buy and install multi-user or enterprise software for the network. d) The organization would reduce its costs of maintenance and computer support services. e) All the listed statements are correct. 40. Which of the following statements is false about the data lake? a) The data lake is designed for low-cost storage. b) The data lake makes it easy to configure and reconfigure data as needed. c) The data lake stores only structured and processed data. d) When processing data , a data lake attaches a schema to data when the it is read (schema- on-read). All the listed statements are correct
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