A2160-669 Online Practice Questions and Answers

Which need drives a project to use an SOA approach?

A. Business flexibility

B. Resource virtualization

C. Application integration

D. Improved systems management

Failure to adopt SOA will result in which outcome?

A. Automation of document processing will be difficult.

B. Extremely high volume, synchronous, real-time transactions will occur.

C. Integration costs continue to grow without being offset by new business opportunities.

D. IT budget will increase to cover the cost of additional governance and development activities.

How can disparate services communicate with each other in an SOA?

A. Use XML messages to provide interoperability.

B. Service providers adopt one common data model for all services.

C. Enforce a common data model at the Enterprise Service Bus (ESB) layer.

D. Business analysts create the integration logic details to negotiate between services.

Which statement describes the importance of SOA governance?

A. It provides a tool for controlling the distribution of Web services for a line of business.

B. It eliminates the risk in migrating a business from standard integration mechanisms to SOA.

C. It creates a clearly articulated decision framework for designing, implementing and managing SOA services.

D. It provides a mechanism for the lines of business to provide input to IT staff for the design of services.

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 factor could positively impact the readiness for and success of SOA?

A. A high level of understanding of the value of SOA

B. The use of specialized line of business applications

C. Informal build and deployment processes for services

D. The use of in-house developed messaging as part of their Enterprise Service Bus (ESB)

What is a key difference between a component and a service?

A. A service is deployed once and a component is deployed many times.

B. A component is deployed once and a service is deployed many times.

C. A component has an interface and a service implements the interface.

D. A service has an interface and a component implements the interface.

E. A service does not have a well-defined interface and a component does.

Why is defining appropriate Key Performance Indicators (KPIs) important for the success of an

SOA?

A. To provide IT performance metrics

B. To determine the marketability of the SOA processes

C. To justify funding for migration of the processes to SOA

D. To provide feedback indicating Return on Investment (ROI) back to the business

E. To enable business executives to identify impediments and bottlenecks in performance of the business processes

Which two statements define a service in SOA?

A. It is a transaction that supports a business function.

B. It is a standard way for messaging between service providers and consumers.

C. It exposes business functionality with a well-defined interface that can be invoked.

D. It is a language-specific operation that executes across an Enterprise Service Bus (ESB).

E. It is a loosely-coupled component that can be choreographed to create a composite business function.

In the IBM SOA Reference Architecture, the service registry should be logically located with

which other component?

A. Access Services

B. Process Services

C. Infrastructure Services

D. Enterprise Service Bus (ESB)