IBM IBM Service Oriented Architecture (SOA) A2160-669 Questions & Answers

• Question 61:

  Which might cause a challenge to prioritizing, defining and funding services in SOA?

  A. Services that support multiple projects and/or lines of business

  B. Services that need to consider non-disruptive roll-out of changes

  C. Services that are based on standards to allow for interoperability

  D. Service requesters that are independent of the service implementation

  Correct Answer: A

• Question 62:

  What describes a task within a modeled business process?

  A. The description of steps required to complete a unit of work

  B. Each task represents a work item performed by a system or human

  C. The transition that takes place for the business process to continue

  D. When a human completes a task it is marked complete allowing the process to proceed

  Correct Answer: B

• Question 63:

  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

  Correct Answer: A

• Question 64:

  Which cross-cutting concerns are present at all areas within a logical SOA?

  A. Integration, security, management, monitoring and governance

  B. Logging, auditing, business processes, information architecture, identity provision and governance

  C. Encapsulation, separation of concerns, high cohesion, loose-coupling, correct granularity and abstraction

  D. Business flexibility, business agility, cost effectiveness, goal related, traceable requirements and continuous incremental improvement

  Correct Answer: A

• Question 65:

  Which two roles do Web services play in an SOA?

  A. They provide mediation for service requests.

  B. They provide the framework for information as a service.

  C. They support interoperability between disparate technologies.

  D. They provide an open standard means for describing service interfaces.

  E. They provide the messaging infrastructure for the Enterprise Service Bus (ESB).

  Correct Answer: CD

• Question 66:

  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

  Correct Answer: CEF

• Question 67:

  Access services represent which vital function in the IBM SOA Reference Architecture?

  A. Distributed role-based access control mechanisms

  B. Connectivity with existing and legacy functionality

  C. Additional security at gateway points between domains

  D. Services exposed across different business units or organizations

  Correct Answer: B

• Question 68:

  Why is messaging important to an SOA?

  A. Messaging improves the performance of complex environments.

  B. Messaging implements separation of concerns resulting in faster development.

  C. Messaging facilitates communication between distributed heterogeneous environments.

  D. Messaging is used to communicate between a repository and an Enterprise Service Bus (ESB).

  Correct Answer: C

• Question 69:

  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

  Correct Answer: A

• Question 70:

  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.

  Correct Answer: A