14188-37032_Ch09_Solutions

14188-37032_Ch09_Sol - Electronic Commerce 7th Edition Solutions 9-1 Electronic Commerce 7th Edition 14188-37032 Chapter 9 Solutions Review

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Electronic Commerce, 7th Edition Solutions 9-1 Electronic Commerce, 7th Edition 14188-37032 Chapter 9 Solutions Review Questions 1. Provide a brief definition of the term “middleware.” In one or two paragraphs, explain why middleware can be difficult to write and test. Answer: Middleware is defined as software that connects two otherwise separate applications or separate products that serve as the glue between two applications. It is, therefore, distinct from import and export features that may be built into one of the applications. Some common issues surrounding middleware that may affect testing include: The difficulty in testing from an external perspective The importance of developer testing at the unit level The uniqueness of the types of test tools needed The difficulty in building a test environment. An emphasis on structural testing An object-oriented focus 2. Using your library or the Web, find an article that describes a successful application of Web services. In about 200 words, discuss how the company that implemented the Web services application overcame the lack of standards for such applications. Answer: Responses will vary but may include information about Portlets. The lack of standards has led portal server platform vendors to define proprietary APIs for local portal components and for invocation of remote components. This creates interoperability problems for portal customers, application vendors, content providers and portal software vendors. Java Portlet API and Web Services for Remote Portals (WSRP) standards are being developed to overcome these problems, providing interoperability between portlets and portals, and between portals and user-facing Web services. [Source: www.nwfusion.com/news/tech/2002/0902tech.html ] 3. List two disadvantages of hosting an electronic commerce site on a host that is free or available at a very low cost. What is missing from such a host’s services that would make an online entrepreneur’s job more difficult?
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Electronic Commerce, 7th Edition Solutions 9-2 Answer: Responses will vary, but may include a domain name that is part of the host site as well as not providing a shopping cart. An online business often needs more flexibility than a free or low cost service can provide. “You get what you pay for”! 4. In about 200 words, describe the differences between basic electronic commerce software and midrange electronic commerce software. Discuss at least four differences and give examples of each type of software. Answer: Responses may vary, but should include the less expensive ISP’s vs. in- house hosting, the lack of features for basic e-commerce software, and the cost of the software itself. The software available in the basic e-commerce level is a fairly simple HTML engine. The larger business software includes Dreamweaver or Visual Studio .NET. This type of software allows for more flexibility and more ‘bells and whistles’. 5.
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This note was uploaded on 06/30/2010 for the course CME EA2943 taught by Professor Chen during the Spring '10 term at Nanjing University.

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14188-37032_Ch09_Sol - Electronic Commerce 7th Edition Solutions 9-1 Electronic Commerce 7th Edition 14188-37032 Chapter 9 Solutions Review

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