SOA SOA Certifications S90-02A Questions & Answers

• Question 51:

  Which of the following exist as XML documents? SELECT ALL THAT APPLY

  A. WSDL definition

  B. XSLT stylesheet

  C. XML schema

  D. WS-Policy definition

  Correct Answer: ABCD

• Question 52:

  Services hosted within an enterprise service bus cannot support asynchronous message exchanges due to the limitations of message routing features built into enterprise service bus implementations. Select the correct answer.

  A. True

  B. False

  Correct Answer: B

• Question 53:

  Which of the following statements is true? Select the correct answer.

  A. Each REST service exposes its own unique technical service contract.

  B. REST services are event-driven programs that do not have service contracts.

  C. REST services only expose a technical service contract when using SOAP messaging.

  D. REST services share a common uniform contract.

  Correct Answer: D

• Question 54:

  Which of the following statements is true? Select the correct answer.

  A. WSDL definitions can use XML schemas to define the types used by WSDL input and output messages.

  B. WSDL definitions can use XML schemas to define the types used by WSDL input and output operations.

  C. WSDL definitions can use XML schemas to define the types used to establish the location used by service consumers to access the WSDL definitions.

  D. WSDL definitions cannot be used in conjunction with XML schemas.

  Correct Answer: A

• Question 55:

  Which of the following statements is true? Select the correct answer.

  A. An enterprise service bus commonly provides service broker-related features that allow two services using different data models (that represent the same business document) to communicate with each other.

  B. An enterprise service bus commonly provides service broker-related features that allow two services using different communication protocols to communicate with each other.

  C. An enterprise service bus commonly provides service broker-related features that allow two services to communicate even though they use different communication protocols and different data models (that represent the same business document).

  D. All of these statements are true.

  Correct Answer: D

• Question 56:

  WS-BPEL is a technology that can be used to express service composition logic for SOAP-based Web services. Select the correct answer.

  A. True

  B. False

  Correct Answer: A

• Question 57:

  Identify what is wrong with this statement: "If I have 4 SOAP-based Web services, I must have 4 WSDL definitions and 4 XML schemas." Select the correct answer.

  A. SOAP-based Web services don't use XML schemas for their WSDL definitions.

  B. WSDL definitions can share the same XML schema and can also link to multiple XML schemas, so stating that 4 SOAP-based Web services must have 4 XML schemas is incorrect.

  C. Each WSDL definition must have at least 2 XML schemas, so the correct amount of required XML schemas in this case is 8.

  D. There is nothing wrong with this statement.

  Correct Answer: B

• Question 58:

  MEP stands for: Select the correct answer.

  A. Message Extension Pair

  B. Message Exchange Pattern

  C. Mixed Entry Platform

  D. Mixed Elevation Program

  Correct Answer: B

• Question 59:

  It is possible to have 3 SOAP-based Web services, each with a WSDL definition that has an operation named Update. Select the correct answer.

  A. True

  B. False

  Correct Answer: A

• Question 60:

  Identify what is wrong with this statement: "SOAP-based Web services A and B are participating in a runtime transaction that is carried out as per the WS-AtomicTransaction standard. When a message sent by Service A is rejected by Service B due to a violation of a WS-Policy definition expressed as part of the Service B contract, Service A is forced to issue an Abort message, thereby requiring the transaction to be rolled back." Select the correct answer.

  A. WS-AtomicTransaction does not support the rollback of changes that occur during runtime transactions.

  B. WS-Policy definitions are not expressed as part of the service contract.

  C. SOAP-based Web services cannot have policies and cannot participate in runtime transactions because they are limited to the use of a uniform service contract.

  D. There is nothing wrong with this statement.

  Correct Answer: A