A2160-669 Online Practice Questions and Answers

Which role does WS-Security play in an SOA?

A. It provides security interchange for RESTful Web services.

B. It enforces authentication and authorization within an SOA.

C. It provides an end-to-end security context among Web services.

D. It provides a security implementation for Enterprise Service Buses (ESB).

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

Which three characteristics of services indicate a mature SOA environment?

A. Services are discoverable.

B. Services use Web 2.0 technology.

C. Services are exposed by an Enterprise Service Bus (ESB).

D. Services are composed into broader business functionality.

E. Services contain logic to provide compatibility across technologies.

F. Services use scripting languages to improve system responsiveness.

Which three meet the requirement for SOA identity propagation?

A. It translates between different identities.

B. It requires the use of open standards for authentication.

C. It handles services which each have their own identity registry.

D. It handles identities which are coupled with application business logic.

E. It provides a token that describes digital signature blocks within a message.

F. It understands and operates with a variety of formats for representing identity.

Which activity is required to successfully implement SOA governance?

A. Establish a service repository.

B. Acquire ongoing sponsorship by executives with active communication.

C. Formulate, control and oversee the proper maintenance and growth of business assets.

D. Define a set of processes, rules and policies that affect the way a corporation is directed, administered or controlled.

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.

When releasing a new service version, which changes to the WSDL document are backwardcompatible?

A. Adding an operation

B. Removing an operation

C. Renaming an operation

D. Changing the parameters of an operation

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.

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

Which situation is most appropriate for an SOA implementation?

A. Customer's IT strategy is to use desktop applications.

B. The organization relies on a homogeneous environment.

C. Pilot and prototype development is a focus of the IT organization.

D. Parts of an application need to be developed, maintained and updated independently.

From an IT perspective, what are three goals of moving to SOA?

A. Increasing the IT budget

B. Implementing packaged applications

C. Giving IT the maximum number of options to solve a business challenge or problem

D. Exhibiting IT systems as evidence that the company is at the forefront of technology

E. Viewing the operating environment as a set of services provided by the underlying IT infrastructure

F. Improving Return on Investment (ROI) on IT assets by breaking traditional monolithic systems down into more manageable pieces

Which action should they take first?

A. Create a service registry.

B. Define an SOA governance model.

C. Perform an SOA maturity assessment.

D. Create an SOA Center of Excellence (CoE).

How do Web 2.0 applications communicate with SOA services?

A. Both architectures use XML to ensure interoperability.

B. Web 2.0 technologies communicate using Remote Procedure Calls (RPC) to SOA services.

C. JavaScript Object Notation (JSON) provides an efficient data format for SOA services.

D. Asynchronous JavaScript + XML (Ajax) applications can make service requests from a Web browser.

Which statement is true about a business process in the context of SOA?

A. It rarely includes any manual steps.

B. It can span people, systems and information.

C. It takes a relatively short amount of time to complete.

D. All services are linked to the process through an Enterprise Service Bus (ESB).

How does SOA achieve alignment between business and IT?

A. By ensuring services represent the underlying IT functions that the business must use in order to function

B. By hiding operational details allowing services to be loosely coupled and changed to suit the situation

C. By creating business processes that are direct representations of the business which can be simulated and refined

D. By providing service operations that represent business tasks allowing those operations to be used in whatever combination the business decides is appropriate