WSO2 Enterprise-Integrator-6-Developer Exam Questions Instant Access

Question 1

Which statement is FALSE about message entry points?

AA proxy service receives messages that are sent to specific endpoint.

BAPIs can only accept JSON or XML messages but not SOAP messages.

CAn inbound endpoint injects a message directly from the transport layer to the mediation layer, without going through the Axis engine.

DA task injects a message into the ESB profile at a scheduled interval.

Answer : A

Question 2

Which statement is FALSE about REST APIs in the ESB profile?

ASpecifying a url-template or a url-mapping is mandatory for all the resources in a REST API.

BAPIs can be exposed through HTTP inbound endpoints.

CREST APIs are exposed over one of the HTTP listener ports opened by the EI http transport.

DEach REST API can have multiple resources, and each resource can have different service orchestration logic of backend services.

Answer : A

Question 3

Which statement about deploying a new Synapse handler is correct?

ATo engage the deployed Synapse handler, you need to add a new configuration to the <handlers> section to the <EI_HOME>/conf/synapse-handlers.xml file.

BAll of the above.

CIf you have developed your handler as a non-OSGI JAR file, copy it to the directory.

DIf you have developed your handler as an OSGI bundle, copy it to the /dropins directory.

Answer : B

Question 4

Select the CORRECT statement about setting parameters for class mediators.

ABoth statement b and c are correct.

CIt is not possible to set parameters for custom mediators.

CCustom mediator's parameters should be declared as public fields in mediator code. For instance: public String foo, bar;

DSynapse properties can be used to pass values to mediator arguments. For instance:
<class name=\'org.wso2.custom.HelloClassMediator\'>

</class>

Answer : D

Question 5

Which statement is FALSE about message builders and formatters?

AWhen a message comes into the ESB profile, an appropriate message builder converts the message's raw payload data into XML.

BAxis2 framework can be used to implement custom message builders and formatters.

CWhen sending a message out from the ESB profile, a message builder is used to convert XML back into its original format.

DWhen sending a message out from the ESB profile, a message formatters is used to convert XML back into its original format.

Answer : C

Question 6

Which statement best describes ESB profile support for JMS?

AESB profile supports the store and forward messaging model with JMS.

BESB profile supports the point-to-point messaging model (queue).

CAll of the above are supported by the ESB profile.

DESB profile supports the publish/subscribe messaging model (topics).

Answer : C

Question 7

Which statement is TRUE about error handling in the ESB profile?

AThe Exception mediator can be used to customize error messages that are send back to the client.

BIt is mandatory to associate each sequence and proxy service with a fault sequence.

CWithin the fault sequence, you can access error details using the EXCEPTION_DETAIL property.

DA fault sequence is a collection of mediators just like any other sequence, and it can be associated with another sequence or a proxy service.

Answer : D

WSO2 Certified Enterprise Integrator 6 Developer Enterprise-Integrator-6-Developer Exam Questions