QUESTION 61 Which of the following statements are true about data warehouses and data marts? 1. A data mart in a firm would typically have more data in it than its data warehouse. II. If a firm has implemented a data warehouse, then it has to also implement data marts. III. A data mart supports a specific population of users within the firm such as a single function or line of business. IV. An OLAP tool can be used to query either a data warehouse or a data mart. OI, IV O II, III, IV O III, IV O II, III QUESTION 62 Which of the following statements are true about the primary software development methodologies? 1. Prototyping is emphasized in the SDLC process. II. There is greater customer engagement in the RAD as compared to the SDLC process. III. In the RAD process, there is the risk that the software may become obsolete by the time the final cutover occurs. IV. The SDLC process has become more of a useful conceptual framework rather than something actively employed by firms today. O I, III O II, III, IV OI, IV O II, IV
QUESTION 63 Which of the following statements are true about enterprise applications that support business operations? 1. The main goal of an ERP system is to enhance customer satisfaction. II. If we treat ERP, SCM, and CRM systems as distinct and separate systems, we can say that of the three systems, the ERP system brings the most value to business operations. III. ERP systems can typically reduce operating costs by about 50%. IV. The pull mode of operation places a greater burden than the push mode on an SCM system’s capabilities of tracking that the supply chain is operating as desired. O I, III, IV O II, III O I, II, IV O II, IV QUESTION 64 The Semantic Web is part of Web 2.0. O True O False QUESTION 65 A storage area network is a frontend network. O True False
Answer61. The correct option is III, IV. Because data mart is a part of data warehouse which supports specific population of users within the firm such as a single function or line of business.
And both the data mart and data warehouse supports OLAP tool .