A2160-669 Online Practice Questions and Answers

How can a company enforce adherence to the SOA policies that have been defined?

A. Define and execute conformance checkpoints across the service life cycle.

B. Initiate and enable SOA governance communication, education and mentor plans.

C. Commit to a strategy for SOA in the context of the business goals and IT strategy.

D. Implement governance organizational structures such as architectural review boards, executive steering committees and Centers of Excellence (CoE) to ensure adherence.

Which advantages does the Enterprise Service Bus (ESB) have over point-to-point solutions?

A. Flexibility and cost

B. Redundancy and agility

C. Performance and scalability

D. Versatility and adaptability

What demonstrates one of the key principles communicated by the IBM SOA Reference

Architecture?

A. Business processes can be modeled in parallel with the services they rely on.

B. Services are implemented using the Enterprise Service Bus (ESB) and exposed to service consumers.

C. Business process developers need to communicate effectively with Enterprise Service Bus (ESB) developers.

D. Changes in service implementations require changes in the service interface which should be reflected in the service registry.

An organization plans to automate a business process and expose the result as a service. How

should humans interact with such a business process in the context of SOA?

A. A Web application may be developed to act as a service consumer, allowing humans to invoke the automated business process. Any activity in the business process may be

B. The use of human activities in such a business process is not recommended since the slow response that will be received from humans is not suitable to the synchronous

C. A Web application may be developed to act as a service consumer, allowing humans to invoke the automated business process from a browser. All activities in the business

D. A Web application may be developed to act as a service consumer, allowing humans to invoke the automated business process. Only unusual steps in the business process

E. All other activities should be performed by automated service providers.

What are two recommended approaches to SOA adoption?

A. SOA adoption involves incremental change.

B. Select a business pilot and enable a line of business.

C. SOA adoption involves a complete and immediate change.

D. The transition to SOA begins with the selection of appropriate technology.

E. The first steps in the journey to SOA implementation depends on the company's industry.

Which people, organizational or technology factors negatively impact the adoption of SOA?

A. Putting funding mechanisms in place to encourage reuse

B. Agreeing on policies for service reuse across lines of business

C. Planning to perform a complete overhaul of all business processes

D. Defining additional capabilities required, such as upgrades to the IT infrastructure

What is an SOA repository?

A. Storage of service metadata

B. Storage for versions of service components

C. The medium for messaging in a standardized way

D. The means by which services are loosely coupled

E. A source of information about invoking a service

Which two statements about security considerations in an SOA environment are true?

A. Firewalls or routers are the mechanisms for securing an SOA business environment.

B. Security policy decisions are made and carried out within an Enterprise Service Bus (ESB).

C. Identities exist for both users and services, and both must be subject to the same controls.

D. The creation of roles for business process task lists are used to prevent business partner access to protected assets.

E. There is a need to manage identity and security across a range of systems and services that are implemented in a diverse mix of new and old technologies.

Which two statements describe characteristics of SOA?

A. Multiple business units host the same service to ensure maximum reuse and availability.

B. Maximum reuse is achieved by ensuring services are generic so that the same service serves many different business tasks.

C. Existing APIs are exposed over new technologies such as Web services and Enterprise Service Buses (ESB) to increase business flexibility and agility.

D. Programming by contract ensures the service consumer can be unaware of the implementation details of the service provider facilitating loose coupling.

E. Through layered abstraction over the implementation and runtime details, it is possible to provide software resources that give the right balance between reuse and specificity.

Which artifact is the most helpful to an organization's SOA transformation and implementation

roadmap?

A. A reference architecture

B. A service interface description

C. A Web services standards glossary

D. A proposed service registry document