IBM SOA Fundamentals [2008] Set 4

1.

In applying SOA, which principle can reduce overall cost?

Reuse services across lines of business. Build services for only the most important business functions. Build general services that can perform a variety of business tasks. Reimplement all services on a consistent hardware and software platform.

2.

Which business driver would cause a company in the healthcare industry to consider SOA?

Government regulations for communication and interoperability between companies continueto change. The cost of healthcare is increasing extremely fast and SOA will bring the costs back undercontrol. Since doctors and other medical practitioners do not understand IT, SOA can shield theseroles from theunderlying technology implementation. Medical providers at smaller companies that use .Net can communicate to larger parentcompanies thatuse Java through Web services interoperability.

3.

Which is a driving business need for SOA?

Automate and optimize processes Security, governance and infrastructure Governance, infrastructure and connectivity Interoperability, standards and application integration High availability of hardware, operational systems and services

4.

When is an SOA implementation most appropriate?

Real-time performance is critical. An immediate Return on Investment (ROI) is required. The application interfaces require a high degree of customization. Business functionality is required by many parts of the organization.

5.

Failure to adopt SOA will result in which outcome?

Automation of document processing will be difficult. Extremely high volume, synchronous, real-time transactions will occur. Integration costs continue to grow without being offset by new business opportunities. IT budget will increase to cover the cost of additional governance and development activities.

6.

A retail company is having difficulty implementing changes to its business process. Lines of business maintain their own data stores and proprietary access interfaces. There are severalmanual steps which involve recapturing of datA. How can they change this process to make it more efficient?

Outsource the shipping function to reduce overhead costs. Create services that combine application and information assets. Create shared services to eliminate redundancies in the process. Choose the latest technology available to integrate the applications and resources.

7.

Which basic characteristics of SOA can contribute to business agility?

Reuse and security Loose coupling and reuse Governance and integration Point-to-point integration and extensibility

8.

Which statement describes a business process in the context of SOA?

It is a business policy or decision procedure. Items are accumulated and then processed together. It is a series of tasks connected together like building blocks. It enables interactions between message consumers and providers.

9.

If a component of the overall system is functionally complete and operates within that system independently from the functionality of the other components, it is an example of which SOA architectural concept?

Modularity Extensibility Loose coupling Separation of concerns Composite implementation

10.

How are the capabilities of a Web 2.0 application enhanced by SOA?

Two or more SOA services may be connected together to create a new business process,such as in the case of a mashup. Business users can visually assemble mashups by blending publicly available information andserviceswith a companys internal information and services. Syndication of site content is enabled through the use of SOA, since it involves standardizedprotocols,which permit end-users to make use of a sites data in another context. The community that uses the SOA services can employ community mechanisms on theapplication,such as ratings and comments, to provide feedback so the application can be E.

IBM SOA Fundamentals [2008] Set 4

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IBM SOA Fundamentals [2008] Set 4

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