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

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Viewing questions 11-20 out of questions
Questions # 11:

Which of the following EIP patterns does NOT alter the message content?

Options:
A.

Wire-Tap

B.

Message Translator

C.

Content-Enricher

D.

Splitter

Expert Solution
Questions # 12:

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.

Expert Solution
Questions # 13:

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

Options:
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.

Expert Solution
Questions # 14:

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?

Options:
A.

Write a Class mediator.

B.

Write a Synapse handler.

C.

Write a custom messagebuilder and formatter.

D.

Use the Script mediator.

Expert Solution
Questions # 15:

Which statement about the ESB profile message store/message processor functionality is FALSE?

Options:
A.

Using message store/message processor constructs, guaranteed messagedelivery can be implemented.

B.

Using message store/message processor constructs, the dead letter channel pattern can be implemented.

C.

Using message store/message processor constructs, in-order delivery of messages cannot be implemented.

D.

Using messagestore/message processor constructs, message throttling can be implemented.

Expert Solution
Questions # 16:

Which statement is TRUE about Java Message Service (JMS) support in the ESB profile?

Options:
A.

The ESB profile can be configured as both a JMS Producer and Consumer.

B.

JMSsupports point-to-point communication models only.

C.

The ESB profile can be configured as a shared topic listener.

D.

Both statements a and c are correct.

Expert Solution
Questions # 17:

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.

Expert Solution
Questions # 18:

Select the appropriateEnterprise Integration Pattern (EIP) that can be used to remove unimportant data items from messages and leave only the important ones.

Options:
A.

Message Filter

B.

Dynamic Router

C.

Content Filter

D.

Composed Msg. Processor

Expert Solution
Questions # 19:

When building an integration scenario with the ESB profile, you CANNOT use:

Options:
A.

JavaScript for processing messages at a given message sequence.

B.

Synapse configuration language.

C.

WS02 EItooling.

D.

Java code to build the entire message processing logic.

Expert Solution
Questions # 20:

Which statement about the ESB profile support forJMS is FALSE?

Options:
A.

JMS distributed transactions are supported in the ESB profile.

B.

The transport.jms.SessionTransacted property is used to enable JMS local transactions in the ESB profile.

C.

ESB profile JMS transactions only work with either the Calloutmediator or the Call mediator in blocking mode.

D.

Only JMS local transactions are supported in the ESB profile.

Expert Solution
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