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Exam 12: Designing Distributed and Internet Systems

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Question 1

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Which cloud computing characteristic specifies that the cloud services are accessible from almost anywhere and from almost any Web-enabled device?

A) Rapid Elasticity
B) Broad Network Access
C) Resource Pooling
D) On-Demand Self-Service

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Question 2

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What are the advantages of a client/server architecture?

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Several significant benefits can be realized by adopting a client/server architecture: 1)It allows companies to leverage the benefits of microcomputer technology.Today's workstations deliver impressive computing power at a fraction of the cost of a mainframe.2)It allows most processing to be performed close to the source of processed data,thereby improving response times and reducing network traffic.3)It facilitates the use of graphical user interfaces and visual presentation techniques commonly available for workstations.4)It allows for and encourages the acceptance of open systems.

Question 3

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A(n) ________ is a combination of hardware,software and communication technology that brings data management,presentation,and analysis together into a three-tiered (or n-tiered) client/server environment.

Services in a(n) ________ cloud can be used by any interested party on a pay-per-use basis; hence,they are often used for applications that need rapid scalability.

When designing distributed and Internet systems,the deliverable is a document that will consolidate the information that must be considered when implementing a system design.

To make sure Web sites contain the most accurate and up-to-date information,often from multiple sources,many organizations have turned to using a ________ management system.

In the ________ model,only the basic capabilities of processing,storage,and networking are provided.Hence,the customer has the most control over the resources.

________ means providing Internet content to a user based upon knowledge of that customer.

Which characteristic focuses on the issue of interoperability which the organizations face?

Each client workstation must devote memory to a full version of the DBMS,there is less room on the client PC to rapidly manipulate data in high-speed random access memory (RAM).

________-oriented architecture is a software architecture in which business processes are broken down into individual components that are designed to achieve the desired results for the service consumer.

Designing distributed and Internet systems is much like designing ________ location systems.

Three-tiered client/server is an advanced client/server architecture in which there are three logical and distinct applications-________,presentation,and analysis-that are combined to create a single information system.

Define Web service.List some of the more common languages and technologies associated with Web service.

The ________ functions of an IS manage all interaction between software and files and databases,including data retrieval/querying,updating,security,concurrency control,and recovery.

Application program interface is the (front-end)portion of the client/server database system that provides the user interface and data manipulation functions.

Compare and contrast a file server vs the client/server architectures.

In the platform as a service (PaaS)model,customers cannot run their own applications,which are typically designed using tools provided by the service provider.

Excessive data movement is a limitation when using file servers on WANs.

Which of the following is NOT a feature of a file server in a file server model?