Exam 18: Building E-Commerce Applications and Infrastructure

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________ refers to connecting people,data,and diverse systems.

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Interoperability

Middleware,which consists of an integrated collection of a large number of EC tools and components that work together for EC applications development,offers builders greater flexibility,specialization,customization,and integration in supporting complete front- and back-office functionality.

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False

A variety of development tools have emerged to implement Web 2.0 applications.These include all of the following except:

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B

The EC application development option that is most appropriate when an application is needed quickly,money is in short supply,and/or the new system is not expected to provide a competitive advantage is:

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Although this first generation of EC development has built up valuable experience,the lack of reusability,which is the likelihood a segment of source code can be used again to add new functionalities in current EC applications,created a barrier to widespread application of EC.

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The first major step in developing an e-commerce project is:

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Identify service-oriented architecture (SOA)and briefly describe benefits of SOA.

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The most difficult and crucial task in evaluating a vendor and a packaged system is to:

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________ is the time required to complete an operation,such as downloading a Web page.

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________ consists of four tiers: Web browsers,Web servers,application servers,and database servers.

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Verizon has made a deal with ________ to bring popular videos to cell phones using Verizon's V-cast service.

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A class of software that integrates large systems is known as ________.

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Utility computing is a business model whereby computer resources are provided on an on-demand and pay-per-use basis,which is in sharp contrast with the traditional SDLC model of purchasing physical systems,configuring them,and devoting them to one application for their useful life.

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Because the creation of an architecture is an iterative process,collaborative methodologies,such as joint application development (JAD),are especially useful in identifying and modifying system requirements.

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The second major step in developing and e-commerce project is:

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Outsourcing is a valuable option that more and more companies are using when systems need to be built quickly and the special expertise of outside contractors and software vendors is necessary.

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The approach that seeks to make tapping into computing resources as simple as plugging in a lamp into an electrical outlet is called:

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A(n)________ approach is ready to use without further assembly or testing;it is supplied in a state that is ready to turn on and operate.

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Identify and briefly discuss the benefits of virtualization.

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To improve EC Web sites,it is advisable to monitor what customers are doing there.This is referred to as ________.

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