SOA Advanced SOA Design & Architecture

1.

Which of the following statements is false?

When applying the Data Format Transformation pattern, data format transformation logic can be the responsibility of a service fa The Data Format Transformation pattern is applied in situations where there is a need to convert data between disparate XML schemas. Some transport protocols can be associated with specific data formats, in which case it makes sense to apply the Data Format Transformation pattern togetherwith the Protocol Bridging pattern. The Data Format Transformation pattern is one of the patterns that comprise the Service Broker pattern.

2.

The Protocol Bridging pattern addresses problems that occur when services using different transport protocols or different versions of the same transport protocol try to communicate.

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3.

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

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4.

The Protocol Bridging and Data Model Transformation patterns can be applied together to the same message or data exchange.

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5.

The application of the Protocol Bridging pattern helps overcome disparity between:

transport protocols messaging protocols transaction protocols policy protocols

6.

Protocol bridging features are a common part of enterprise service bus products and can be provided through the use of adapters.

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7.

Which of the following does not make sense when considering the contents of a technical service contract for a SOAP-based Web service?

The Schema Centralization pattern supports the creation of independent data models that define data transmitted in SOAP messages. The Decoupled Contract pattern results in the separation of the service contract from the service implementation, allowing the service contract to beindependently designed and governed. The application of the Policy Centralization pattern eliminates redundancy and inconsistency by creating a single, master policy bound to the WSDL definition ofevery service in a service inventory. The Legacy Wrapper pattern can be used to expose a legacy system as a SOAP-based Web service with a standardized technical service contract.

8.

Assuming you have technical service contracts for SOAP-based Web services, you can apply the ___________ pattern through the use of ___________.

Schema Centralization, XML schemas Message Metadata, SOAP message headers Decoupled Contract, WSDL definitions Policy Centralization, WS-Policy definitions

9.

In order to realize the failover support provided by the application of the Redundant Implementation pattern, the Intermediate Routing pattern also needs to be applied so that services can be load balanced.

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10.

Which of the following statements is true?

The Legacy Wrapper pattern should not be applied in conjunction with the Process Centralization pattern because legacy systems do not possess enough
autonomy to be effectively composed. The Messaging Metadata pattern can be applied to supplement messages with metadata that can be used for tracking purposes when also applying the ReliableMessaging pattern. The Protocol Bridging pattern is often used with the Legacy Wrapper pattern as a means of performing data model transformation between service inventory-wide data models created through the application of the Schema Centralization pattern and the underlying proprietary legacy format. All of these statements are true.

SOA Advanced SOA Design & Architecture

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