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WSO2 Enterprise-Integrator-6-Developer WSO2 Certified Enterprise Integrator 6 Developer (6.5 version) Exam Practice Test

WSO2 Certified Enterprise Integrator 6 Developer (6.5 version) Questions and Answers

Question 1

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.

Options:

A.

Log mediator

B.

Drop mediator

C.

Validate mediator

D.

Switch mediator

Question 2

What is NOT a basic construct of the ESB profile?

Options:

A.

RESTAPI

B.

Pipeline

C.

Sequence

D.

Proxy service

Question 3

Which statement about the Entitlement mediator is true?

Options:

A.

Entitlement mediator intercepts requests and evaluates the actions performed by the user against an extensible Access Control MarkupLanguage (XACML) policy.

B.

All of the above.

C.

When configuring the mediator, you specify which sequence to execute depending on the Entitlement mediator result.

D.

Entitlement mediator can only work with WS02 Identity Server as the PolicyDecision Point.

Question 4

What is the most appropriate scenario for using a class mediator over a Script mediator?

Options:

A.

For debugging purposes, you want to introduce some latency in the message flow.

B.

You want to change just a single element in the XML payload without changing other elements.

C.

For testing purposes, you want to record the elapsed time between calling a backend service and receiving the responseby the proxy service.

D.

You want to develop a logging mediator that sends logging data to an external database such as MySQL.

Question 5

Which statement is TRUE about throttling in the ESB profile?

Options:

A.

All of the above are correct.

B.

Throttling isonly supported at the mediation level.

C.

The throttle mechanism is used to control access to the services at different levels.

D.

Mediation level throttling works in distributed fashion only when ESB nodes are configured as a stateful cluster which is a membership based cluster.

Question 6

In which of the following cases will an endpoint move to the suspended state?

Options:

A.

When retry count is 0.

B.

When thesuspend timeout is reached.

C.

When there is a response from the endpoint.

D.

When the retry count is a positive integer.

Question 7

Identify the correct reason and solution for the following warning message from WS02 ESB: => WARN -SourceHandler connection time out after request is read: http-incoming-1.

Options:

A.

Connection between the ESB and thebackend times out. Socket timeout of the HTTP sender has been ^. exceeded. Solution: Increase the socket timeout of the passthrough HTTP transport. To do that, add the following line to the passthru-http.properties file: http.socket.timeout=120000. Here socket timeout is set to 120000

B.

Connection between the client and the ESB times out. Socket timeout of the HTTP listener has been ^. exceeded. Solution: Increase the socket timeout of the passthrough HTTP transport. To do that, add the following line to the nhttp.properties file: http.socket.timeout= 120000. Here socket timeout is set to 120000.

C.

Connection between the client and the ESB times out. Socket timeout of the HTTP listener has be exceeded. O Solution: Increase the socket timeout of the passthrough HTTP transport. To do that, add the following line to the passthru-http.properties file: http.socket.timeout=120000. Here socket timeout is set to 120000.

D.

Options a,b, and c are incorrect.

Question 8

Which statement about deploying a newSynapse handler is correct?

Options:

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.

Question 9

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

Options:

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.

Question 10

You need to run some Java code only once just after the ESB profile server starts. Select the CORRECT task configuration you can use for this purpose.

Options:

A.

O

B.

O

C.

O

D.

V O

Question 11

Which protocols are supported by the ESB profile for transferring files?

Options:

A.

FTPS, FTP, HTTPS

B.

HTTP, HTTPS

C.

All of the above

D.

MQTT

Question 12

Which of the following is NOT an action to take in order to tune a new ESB profile server for high performance?

Options:

A.

Synapse configuration level settings

B.

JVM-level settings

C.

WS02 Carbon platform level settings

D.

OS-level settings