WSO2 Enterprise-Integrator-6-Developer 問題集

質問 1：
Identify the correct error description and solution for the following error message from the ESB profile: => ERROR - RelayUtils error while building Passthrough stream org.apache.axiom.soap.SOAPProcessingException: Transport level information does notmatch with SOAP Message namespace URI.
A. This happens when a soapll message is sent to a soapl2 endpoint or vice versa, resulting in the p, message content type not matching the SOAP namespace URI, e.g., soapll should have text/xml content type and soapl2 should have application/soap+xml content type. Solution: Enable the relevant message builder/formatter in axis2.xml for the matching content type.
B. This happens when a soapll message is sent to a soapl2 endpoint or vice versa. Solution: Correct the SOAP envelope namespace.
C. The ESB profile has failed to extract the transport protocol from the given URL. This happens when theO transport defined in the URL is not enabled in the system. Solution: Enable relevant transport sender in axis2.xml.
D. Options a, b and c all provide mismatching reasons/solutions, so all of the answers are incorrect.
正解：B

質問 2：
Which statement is INCORRECT with respect to implementing a custom mediator and best practices to achieve thread safety?
A. A mediator instance gets created for each occurrence in the configuration and for each message.
B. Use of class variables is not recommended.
C. You can define and use a global variable in the mediator class if and only if those variables are shared with all the messages in that particular message flow.
D. When we use the mediatorin different artifacts, an instance of the mediator gets created for each occurrence in the configuration.
正解：D

質問 3：
Which statement is FALSE about SSL profile support in WS02 EI?
A. The purpose of SSL profiles is to allow connections to different servers with different certificates and identities.
B. SSL outbound profiles allow different SSL profiles for different backend servers.
C. Inbound SSL profiles allow you to specify different SSL profiles for different IPs of clients
D. Each ssl profile uses the same keystore and truststore.
正解：D

質問 4：
Suppose youare writing a complex proxy service. In the middle of the task, you need to debug your proxy service as it is not working as expected. Select the mediator that can be used for debugging your proxy service.
A. Switch mediator
B. Drop mediator
C. Log mediator
D. Validate mediator
正解：C

質問 5：
What is the best option to run custom Java code in a periodical manner within WS02 ESB?
A. Write a Class mediator with the Java logic, create a proxy service that uses that mediator, and send messages using an external client periodically.
B. Option b and c are correct.
C. Write a Class mediator with the Java logic, create a proxy service that uses that mediator, and send messages using an external client periodically.
D. Write a custom task with the Javalogic and configure it to run periodically.
正解：B

質問 6：
Which statement about the ESB profile support forJMS is FALSE?
A. ESB profile JMS transactions only work with either the Calloutmediator or the Call mediator in blocking mode.
B. Only JMS local transactions are supported in the ESB profile.
C. JMS distributed transactions are supported in the ESB profile.
D. The transport.jms.SessionTransacted property is used to enable JMS local transactions in the ESB profile.
正解：B