SOA Technology Concepts Set 3

1.

Which of the following statements is true?

When using WS-AtomicTransaction, services participating in a transaction vote on the outcome so as to
communicate whether the transaction should be rolled back or committed. When using WS-AtomicTransaction, services participating in a transaction use RPC protocols tocommunicate transaction results, so as to communicate whether the transaction should be rolled back
or committed. When using WS-AtomicTransaction, services participating in a transaction rely on the use of WS- Policydefinitions to confirm the transaction results. When using WS-AtomicTransaction, services do not actually participate in a transaction. Thisspecification governs intra-service transactions (transactions that occur within a service boundary) only.
WS-BusinessActivity provides cross-service transaction protocols.

2.

Which of the following XML documents can be part of a SOAP-based Web service contract? SELECT ALL THAT APPLY

WSDL definition HTTP definition XML schema WS-Policy definition

3.

Which of the following statements does not make sense?

I built 3 SOAP-based Web services, each of which has its own published WSDL definition. 2 of the
WSDL definitions share the same XML schema. I built 3 XML schemas, two of which are being shared by the same WSDL definition. I built 3 WSDL definitions and 3 XML schemas. Each WSDL definition is associated with its own XMLschema. All of the above statements make sense.

4.

Which of the following technologies can be used to enable the exchange of data between services?

SOAP HTTP WSDL All of the above.

5.

Which of the following statements is true?

REST services primarily rely on the use of SOAP headers to exchange message metadata. REST services primarily rely on the use of JMS headers to exchange message metadata. REST services primarily rely on the use of HTTP headers to exchange message metadata. REST services do not exchange messages with headers.

6.

Which of the following statements is true?

WS-ReliableMessaging establishes a framework that provides an industry-standard means of
transforming XML schema-based data models. WS-ReliableMessaging establishes a framework that provides an industry-standard means of rollingback changes that occur during a runtime service transaction. WS-ReliableMessaging establishes a framework that provides an industry-standard means of reliablycommunicating policy enforcement rules. None of these statements are true.

7.

Using WS-AtomicTransaction you wrap 3 SOAP-based Web services in a single transaction. When it is time to vote on the outcome of the transaction, 2 of the services vote to commit the changes made during
the transaction, but a vote from the third service is not received. What will happen?

The changes are committed because the transaction is considered successful as long as no Abort
votes are received. The changes are rolled back because the transaction is considered unsuccessful when there is amissing vote. The changes are committed because the transaction is considered successful as long as one Commitvote is received. The changes are aborted because a transaction can only be considered successful when more than 2Commit votes are received.

8.

XSLT is a technology that is primarily used to address _____________________ .

technology protocol bridging requirements (such as when .NET and Java components need to speak to
each other) data model transformation requirements (such as when similar data based on different XML schemasneeds to be exchanged) layer transformation requirements (such as when data located in different architectural layers needs tobe exchanged between architectural layers) service transformation requirements (such as when two versions of the same service exist)

9.

WS-BPEL process definitions can be encapsulated by and exposed as SOAP-based Web services.

1

10.

Which of the following statements makes sense?

I have 3 REST services, 2 of which do not support the PUT method. I have 3 REST services, 2 of which have a PUT operation in the SOAP header schemas of their WSDLdefinitions. I have 3 REST services, 2 of which do not support HTTP. None of these statements make sense.

SOA Technology Concepts Set 3

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SOA Technology Concepts Set 3

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