SOA Technology Concepts Set 4

1.

Which of the following statements is true?

Service activities represent runtime activity that occurs within the underlying service logic. Service activities represent design-time message exchanges that are established between SOAP-based Web services and defined as part of the operation definition within the WSDL definition. Service activities represent runtime activity that occurs between services. Service activities represent runtime activity that occurs between complex and simple XML Schematypes.

2.

When two compatible SOAP-based Web services need to exchange an XML document that is compliant with the XML schema shared by both services, then:

A data model transformation technology, such as XSLT, must be used to enable the data exchange. A new XML schema must be created to overcome the disparity between how each service defines thedata model for the XML document. A WS-Policy definition must be created to establish rules that address any differences in the XMLdocument exchange. None of the above.

3.

Which of the following are associated with the functionality provided by a typical enterprise service bus?

reliable message delivery intermediate message routing temporary storage of messages in queues All of the above.

4.

Identify what is wrong with this statement: "Component A invoked SOAP-based Web Service B, which invoked REST Service C."

Components cannot invoke SOAP-based Web services. A SOAP-based Web service can only be
invoked by another SOAP-based Web service. SOAP-based Web services cannot invoke REST services. A REST service can only be invoked byanother REST service. Because they require different transport protocols, the same data cannot be sent from a component to aSOAP-based Web service and then to a REST service. There is nothing wrong with this statement.

5.

I would like to add two different WS-Policy definitions to my SOAP-based Web service and I would like to give the service consumer the choice to comply to either policy. How can I do this?

Create a separate XML schema for each policy and attach both XML schemas to the service's WSDL
definition. Create the two separate policies and group them in a policy alternative that is then associated with theservice's WSDL definition. Communicate each policy through a separate WS-Addressing SOAP header and let the serviceconsumer choose which header to use. You cannot do this.

6.

Which of the following statements is true?

A service enters the service provider role when it initiates contact with other services, including those
that act as intermediaries. A service enters the service provider role when it initiates contact with intermediaries only. A service enters the service provider role when it is accessed by other service consumers, includingintermediaries. A service enters the service provider role when it is accessed by intermediaries only.

7.

Which of the following technologies has a namespace pre-defined by an industry standards organization?

WS-Addressing REST Web 2.0 Because all Web-based technologies are required to have namespaces, all of the above technologieshave pre-defined namespaces.

8.

An intermediary can be an initial sender or an ultimate receiver.

1

9.

Which type of MEP is not encouraged by the WS-I and also not supported in WSDL 2.0?

round-about intermediate call-back outbound

10.

Which of the following statements makes sense?

I created a WS-BPEL process definition that composes 6 SOAP-based Web services, 2 of which also
invoke other SOAP-based Web Services. I created a WS-BPEL process definition that establishes industry standard routing-related SOAPheaders capable of routing six messages. I created a WS-BPEL process definition that establishes an industry standard framework for issuingpositive and negative acknowledgements. None of these statements make sense.

SOA Technology Concepts Set 4

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SOA Technology Concepts Set 4

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Congratulations

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