A2160-669 Online Practice Questions and Answers

What is a role of Web services in building an SOA?

A. To provide interoperability using XML-based messages

B. To provide an interface for human interaction using task lists

C. To provide loose coupling via remote method invocations using JAX-RPC

D. To implement the service functionality through interfaces defined in the applications' BPEL

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

A. Government regulations for communication and interoperability between companies continue to change.

B. The cost of healthcare is increasing extremely fast and SOA will bring the costs back under control.

C. Since doctors and other medical practitioners do not understand IT, SOA can shield these roles from the underlying technology implementation.

D. Medical providers at smaller companies that use .Net can communicate to larger parent companies that use Java through Web services interoperability.

Which is a driving business need for SOA?

A. Automate and optimize processes

B. Security, governance and infrastructure

C. Governance, infrastructure and connectivity

D. Interoperability, standards and application integration

E. High availability of hardware, operational systems and services

What is a primary need for implementing SOA governance?

A. Multiple projects are being implemented concurrently.

B. The project office is required to report to executive management.

C. Services are developed, maintained and owned by multiple stakeholders.

D. Government regulations dictate compliance with government requirements.

Which capabilities reside within the Enterprise Service Bus (ESB)?

A. Service mediation and routing logic

B. Service logic and message transformation

C. Service implementations and service access control D. Service routing and a registry of service endpoints

Which three characteristics of SOA can make a business more agile?

A. Defining rules for business

B. Enforcing governance processes

C. Creating components that can be shared

D. Maintaining up-to-date application interfaces

E. Building applications from reusable components

F. Changing the implementation without affecting the consumers

Which is an architectural characteristic of SOA?

A. An emphasis on standards

B. Utilizing Web services to access all business functionality

C. An Enterprise Service Bus (ESB) with an emphasis on Web services

D. An Enterprise Service Bus (ESB) with an emphasis on XML messaging

Why is business and IT alignment so important to SOA?

A. Applications can be rewritten to suit the needs of the business.

B. It allows for a significant investment in technology and hardware.

C. Business and IT can collectively fulfill the business needs and goals.

D. Business and IT can decide which vendors to use and which business functions to outsource.

Customer satisfaction with a new and rather complex product introduced by a company is extremely poor and is affecting sales of the product. The call center is taking too long to handle questions and product experts are not always easily accessible. The goal is to quickly reduce customer complaints. Which actions should be recommended?

A. Connect all the systems that are involved in the transaction.

B. Gather all the information about the product in a single repository to be accessed by the call center.

C. Provide the call center team with access to all the necessary and available information on their screen and collaboration tools to ask experts for assistance with specific

D. Model the call process to determine the bottlenecks, then process automation tools can be used to obtain all the necessary product information including human task

A recent strategic corporate directive is demanding a decrease in the operational budget of a cargo airline by 2%. The CIO has indicated a shift to SOA can help gain efficiencies in development costs. The company has just signed a partnership with a package delivery company that requires integration between the systems of the two companies. When preparing for SOA adoption, what is most important to document to show Return on Investment (ROI) from the shift to SOA?

A. The current operational budget for the company and the partner company

B. The current IT governance overlap between the company and the partner company

C. The current Key Performance Indicators (KPIs) for the company and the partner company

D. The estimated cost for point-to-point integration with the partner company using the current messaging system

Which is an important decision for the adoption of SOA?

A. Use Web services for all SOA communication.

B. Use the latest open standard specification in the industry.

C. Focus on a core set of systems when defining enterprise services.

D. Encapsulate underlying technical differences between different SOA implementations.

When starting to adopt SOA, which action should be taken early to help drive acceptance and

success?

A. Establish the SOA strategy and project roadmap.

B. Identify the first services required and ensure they are designed well, considering security and scalability.

C. Roll the SOA project in as the next phase of a project under development to prove the value to the business.

D. Prepare the infrastructure for SOA by establishing a development environment, testing environment and the control process to promote services.

A business has been 'doing' SOA for a while and is becoming disillusioned with the results. They

are not seeing the Return on Investment (ROI) they expected even though they have created

several hundred services. What is the likely cause of this problem?

A. Services are replicated based on language and geographic needs.

B. Developers need better training on how to create reusable services.

C. Governance processes are not in place to review and approve services.

D. Scaling the environment is challenging for such large SOA implementations.

At which two points in SOA communication are registries used?

A. During discovery

B. During publication

C. During message transport

D. During message validation

E. During message transformation

What can have the largest impact on the performance of an SOA?

A. Service granularity

B. Use of open standards

C. Service version management

D. Business monitoring of Key Performance Indicators (KPIs)