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Enterprise-Integrator-6-Developer WSO2 Certified Enterprise Integrator 6 Developer (6.5 version) Free Practice Exam Questions (2025 Updated)

Prepare effectively for your WSO2 Enterprise-Integrator-6-Developer WSO2 Certified Enterprise Integrator 6 Developer (6.5 version) certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 83 questions

Identify the scenario where a task may NOT be the best option.

A.

Periodically connect to an external service and extract some data.

B.

Trigger some Java code when certain types of data (for instance, stock price of IBM) comes to the sequence.

C.

Periodically run some Java code inside a sequence.

D.

Run a piece of code just once after the ESB profile starts.

Which message construct CANNOT directly receive messages from the protocol layer (wire)?

A.

API

B.

Inbound endpoint

C.

Proxy service

D.

Message processor

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

A.

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

B.

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

C.

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

D.

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

Which statement is FALSE about message builders and formatters?

A.

When a message comes into the ESBprofile, an appropriate message builder converts the message's raw payload data into XML.

B.

Axis2 framework can be used to implement custom message builders and formatters.

C.

When sending a message out from the ESB profile, a message builder is used toconvert XML back into its original format.

D.

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

Which is a valid extension point for the ESB profile of WS02 EI?

A.

Custom Synapse Handler by extending AbstractSynapseHandler

B.

Custom transport by implementing org.apache.axis2.transport.base.AbstractTransportSender and org.apache.axis2.transport.base.AbstractTransportListener interfaces

C.

All of the above

D.

Custom class mediator byextending AbstractMediator.

Which statement about deploying a newSynapse handler is correct?

A.

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

B.

All of the above.

C.

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

D.

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

What is NOT a basic construct of the ESB profile?

A.

RESTAPI

B.

Pipeline

C.

Sequence

D.

Proxy service

Consider the following scenario: in the next WS02 EI integration project, you need to implement the Content Filter enterprise integration pattern (EIP). However, the messages coming into your sequence are in awired format not supported in the ESB profile, so you cannot implement the Content Filter EIP. What would be the best extension point that you can used to overcome this issue?

A.

Write a Class mediator.

B.

Write a Synapse handler.

C.

Write a custom messagebuilder and formatter.

D.

Use the Script mediator.

Identify the most suitable extension point to be used to implement the following scenario: At a specific time of the day, you need to read a text file at a specified location and place orders for stocks that are given in the text file.

A.

File Connector

B.

Tasks

C.

Custommediator

D.

Script mediator

Identify the INCORRECT statement with respect to endpointtimeout:

A.

For all endpoint timeout values. Endpoint Timeout >= http.socket.timeout

The following is a correct endpoint definition with a timeout value and a response action:

url="http://localhost:8281/services/SimpleStockQuoteService" >

B.

120000

fault

</address>

C.

It is possible to define a responseAction to be taken in case of an endpoint timeout within the endpoint definition.

D.

Endpoint timeout specifies the timeout duration for an endpoint and allows different timeouts to be specified for different endpoint definitions.

Howcan you implement POX-to-SOAP transformations with the ESB profile?

A.

Use the XSLT mediator with the Validate mediator and send the message out with a default enpoint.

B.

Implement message transformation with the Data Mapper and use endpoint format as soapll.

C.

Use the XSLT mediator and use the Call mediator with blocking mode.

D.

Use the XSLT mediator and use the Call mediator with blocking mode with enable addressing.

Which statement is FALSE about ESB connectors?

A.

Every connector is self-contained and independent of ESB code.

B.

A connector is a ready-made convenient tool to reach publicly available web APIs.

C.

Hardcoding usernames and passwords in the connector configuration is required to connect to externa public APIs that require authentication.

D.

Connectors provide dynamic tooling support with EI tooling.

Which statement is true about outbound endpoints?

A.

Outbound endpoints are mandatory for any integration scenario.

B.

They operate in the same way as inbound endpoints.

C.

When you use message stores, you have to specify the address as an outbound endpoint.

D.

Outbound endpoints can have flags to translate the message.

If you are running two or more ESB profile servers on the same physical machine, it is necessary to offset ports. Select the correct statement that describes how to offset ports in the ESB profile.

A.

Go to /conf/axis2, open the axis2.xml file, and add the following top-level configuration:

2

B.

Both statement 1 and 2 are correct.

C.

Both statement 1 and 2 are incorrect.

D.

Go to /conf, open the carbon.xml file, locate the following configuration and increase the Offset ^ value.

Which is NOT a challenge when using messaging systems for integration?

A.

Messaging systems introduce additional programming complexity.

B.

Messaging systems do not guarantee when the message will be delivered, which cancause sequencing issues.

C.

Performance issues due to the overhead added to the communication by message systems.

D.

Operation is disconnected from networks. Data is synchronized when network connection is available.

What is the easiest method to put a thread sleep in the ESB profile for the purpose of troubleshooting and debugging?

A.

Write a custom mediator and put a Java Thread.Sleep

B.

Write a custom taskand put a Java Thread.Sleep

C.

Write a Script mediator and use Java.lang.Thread.Sleep

D.

Write a Class mediator and put a Thread.Sleep

Suppose your enterprise application has a requirementto execute a large number of RDBMS data interactions. Which of the following is the best option when designing this situation using the WS02 platform?

A.

Use WS02 EI with data services for database operations

B.

DBLookup mediator

C.

Store mediator

D.

DBReport mediator

Which statement is FALSE with respect to secure vault?

A.

When looking up secured passwords in a Synapse configuration, it is possible to use theXPath expression ,,wso2:vault-lookup('alias,) to retrieve the actual password by providing 'alias'.

B.

Secure vault can be used to secure plain text passwords stored in ESB profile configuration files.

C.

Secure vault uses the cipher-tool.properties filesto identify the locations of the passwords in configuration U files.

D.

Secure vault always uses the certificate in the primary keystore configured in carbon.xml to encrypt the passwords.

What is the best option to run custom Java code in a periodical manner within WS02 ESB?

A.

Write a custom task with the Javalogic and configure it to run 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 Class mediator with the Java logic, create a proxy service that uses that mediator, and send messages using an external client periodically.

Consider thefollowing scenario: you are working on an ESB integration project, and you want to work with messages that contain PDF files as the payload. You also need to filter some messages based on the content of the PDF files. Identify the step you would need to take to fulfill this requirement.

A.

Implement a custom message formatter to work with PDF payloads and register it in the /conf /axis2/axis2.xml file under the section.

B.

Implement a custom message builder to work with PDF payloads and register it in the /conf /axis2/axis2.xml file under the section.

C.

Both steps a and b are required.

D.

WS02 ESB can handle PDF payloads by default, so there is no need to build a custom message builder/formatter.

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Total 83 questions
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