S90.02

S90.02 practice questions, page 3 of 4, with answer review and explanations.

Question 11

Which of the following statements is true?

  1. 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.
  2. When using WS-AtomicTransaction, services participating in a transaction use RPC protocols to communicate transaction results, so as to communicate whether the transaction should be rolled back or committed.
  3. When using WS-AtomicTransaction, services participating in a transaction rely on the use of WS-Policy definitions to confirm the transaction results.
  4. When using WS-AtomicTransaction, services do not actually participate in a transaction. This specification governs intra-service transactions (transactions that

Question 12

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

  1. WSDL definition
  2. HTTP definition
  3. XML schema
  4. WS-Policy definition

Question 13

Which of the following statements does not make sense?

  1. 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.
  2. I built 3 XML schemas, two of which are being shared by the same WSDL definition.
  3. I built 3 WSDL definitions and 3 XML schemas. Each WSDL definition is associated with its own XML schema.
  4. All of the above statements make sense.

Question 14

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

  1. SOAP
  2. HTTP
  3. WSDL
  4. All of the above.

Question 15

Which of the following statements is true?

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