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Information Management Systems: Managing the Digital Firm, 11e (Laudon/Laudon) Chapter 5 IT Infrastructure and Emerging Technologies 1) IT infrastructure technology is purely a set of physical devices and software applications that are required to operate the entire enterprise. Answer: FALSE Diff: 1 Page Ref: 163 AACSB: Use of information technology CASE: Content Objective: 5.1 2) Client/server computing is a widely used form of centralized processing. Answer: FALSE Diff: 2 Page Ref: 166 AACSB: Use of information technology CASE: Content Objective: 5.1 3) In two-tiered client/server architecture, the processing is split between two types of servers. Answer: FALSE Diff: 3 Page Ref: 166-167 AACSB: Use of information technology CASE: Content Objective: 5.1 4) N-tier computing is a multi-tier, load-balancing scheme for Web-based applications in which significant parts of Web site content, logic, and processing are performed by smaller, less expensive servers located nearby the user. Answer: TRUE Diff: 3 Page Ref: 167 AACSB: Use of information technology CASE: Content Objective: 5.1 5) Application server software is responsible for locating and managing stored Web pages. Answer: FALSE Diff: 2 Page Ref: 167 AACSB: Use of information technology CASE: Content Objective: 5.1 1 Copyright 2010 Pearson Education, Inc. Publishing as Prentice Hall 6) An application server may reside on the same computer as a Web server or on its own dedicated computer. Answer: TRUE Diff: 2 Page Ref: 167 AACSB: Use of information technology CASE: Content Objective: 5.1 7) Enterprise integration requires software that can link disparate applications and enable data to flow freely among different parts of the business. Answer: TRUE Diff: 2 Page Ref: 167-168 AACSB: Use of information technology CASE: Content Objective: 5.2 8) The mainframe market has grown steadily over the past decade. Answer: TRUE Diff: 2 Page Ref: 176 AACSB: Use of information technology CASE: Content Objective: 5.2 9) The operating system is used to manage the computer's activities. Answer: TRUE Diff: 1 Page Ref: 176-177 AACSB: Use of information technology CASE: Content Objective: 5.1 10) SANs create large central pools of storage that can be rapidly accessed and shared by multiple servers. Answer: TRUE Diff: 2 Page Ref: 187 AACSB: Use of information technology CASE: Content Objective: 5.1 11) Like an ASP, a Web hosting service provides shared applications to subscribed users, but does this through a Web portal. Answer: FALSE Diff: 2 Page Ref: 178 AACSB: Use of information technology CASE: Content Objective: 5.1 2 Copyright 2010 Pearson Education, Inc. Publishing as Prentice Hall 12) Autonomic computing is implemented primarily with enterprise or ISP servers. Answer: FALSE Diff: 2 Page Ref: 181 AACSB: Use of information technology CASE: Content Objective: 5.3 13) Java software is designed to run on any computer or computing device, regardless of the specific microprocessor or operating system it uses. Answer: TRUE Diff: 1 Page Ref: 185-186 AACSB: Use of information technology CASE: Content Objective: 5.4 14) Web services can exchange information between two different systems regardless of the operating system or programming languages on which the systems are based. Answer: TRUE Diff: 2 Page Ref: 186 AACSB: Use of information technology CASE: Content Objective: 5.4 15) Whereas XML is limited to describing how data should be presented in the form of Web pages, HTML can perform presentation, communication, and data storage tasks. Answer: FALSE Diff: 1 Page Ref: 187 AACSB: Use of information technology CASE: Content Objective: 5.4 16) Hypertext markup language specifies how text, graphics, video, and sound are placed on a Web page document. Answer: TRUE Diff: 1 Page Ref: 187 AACSB: Use of information technology CASE: Content Objective: 5.4 17) The collection of Web services that are used to build a firm's software systems constitutes what is known as a service-oriented architecture. Answer:...
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