Advanced SOA Design & Architecture v6.0

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The application of the Intermediate Routing pattern relies on the use of service agents. In order for the pattern to be applied properly, these service agents must be active in that they must change data within the message as part of their routing functionality.

  • A. True
  • B. False


Answer : B

An atomic service transaction requires that:

  • A. alternative compensating logic is executed to undo changes that may have been committed by the services participating in a transaction
  • B. a service participating in a transaction either commit or rollback changes in response to the success or failure of the transaction
  • C. services be designed to be aware of all the other services that have also registered as participants in the same transaction in order to exchange success or failure messages with them D. None of the above.


Answer : B

Which of the following statements is true?

  • A. The application of the Legacy Wrapper pattern results in the coupling of the service consumer to the legacy resources encapsulated by the service.
  • B. The application of the Legacy Wrapper pattern results in the coupling of the service contract to the legacy resources encapsulated by the service.
  • C. The application of the Legacy Wrapper pattern supports the Contract Centralization pattern by helping to establish a standardized contract through which to access legacy resources.
  • D. None of these statements are true.


Answer : C

The application of the Redundant Implementation pattern can help increase service availability by establishing a duplicate deployment of a service in order to provide failover support.

  • A. True
  • B. False


Answer : A

Each service composition within a service inventory shares the same service composition architecture.

  • A. True
  • B. False


Answer : B

The application of the Intermediate Routing pattern can result in multiple service agents intercepting a message before it arrives at its destination.

  • A. True
  • B. False


Answer : A

The use of the Intermediate Routing pattern typically results in:

  • A. common routing logic being removed from service logic and placed into service agents
  • B. common routing logic being removed from service agents and placed into a database
  • C. common routing logic being physically centralized into a single service
  • D. common routing logic being physically centralized into a single service composition


Answer : A

The WS-BPEL technology can be used when applying the Compensating Service
Transaction pattern.

  • A. True
  • B. False


Answer : A

Which of the following statements is true?

  • A. Although the Logic Centralization pattern addresses the question of how to avoid redundant service logic, it does not address how the logic should be accessed.
  • B. The Contract Centralization pattern specifies how to access a service through its published contract, but it does not indicate which services should be accessed for specific purposes.
  • C. When the Logic Centralization and Contract Centralization patterns are applied together, they realize the Official Endpoint pattern because they effectively establish an official endpoint for a service.
  • D. All of these statements are true.


Answer : D

By applying the Service Broker compound pattern, you establish an environment capable of carrying out which of the following patterns?

  • A. Data Model Transformation
  • B. Data Format Transformation
  • C. Transaction Protocol Transformation
  • D. Policy Transformation


Answer : AB

The application of the Protocol Bridging pattern automatically results in the application of the Data Model Transformation pattern.

  • A. True
  • B. False


Answer : B

With the Rules Centralization pattern, business rules are:

  • A. retrieved and applied at runtime
  • B. distributed across multiple business-centric services
  • C. expressed and centralized in policies
  • D. All of the above


Answer : A

One SOA type can inherit the features and limitations of another SOA type with a broader scope. For example, the environment and conventions established by the service-oriented enterprise architecture can be carried over into individual service inventory architectures.

  • A. True
  • B. False


Answer : A

When applying the Messaging Metadata pattern, it is customary to place business document data in the message header and supplementary messaging metadata in the message body.

  • A. True
  • B. False


Answer : B

Which of the following is not required for an atomic service transaction to be successfully carried out?

  • A. participating services need to capture a snapshot of current data prior to making changes to it B. a transaction management system that coordinates the actions of participating services
  • B. transaction participants need to be limited to atomic service agents
  • C. transaction participants must be able to commit changes or rollback uncommitted changes


Answer : C

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