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Enterprise-Integrator-6-Developer Sample Questions Answers

Questions 4

Identify a possible approach to externalize endpoints in ESB profile configurations in order to avoidchanges when moving artifacts between environments:

Options:

A.

Create a separate endpoints CAR file for each environment (Dev, QA, Prod) and deploy the endpoints CAR and the ESB profile configurations CAR file.

B.

All of the above approaches can be used for externalizing endpoints.

C.

Parameterize the endpoints values and replace those with matching endpoint values at build time using a Maven project.

D.

Externalize and store the endpoints in the registry and refer to them by name in the ESB profile configuration.

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Questions 5

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.

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Questions 6

You have created a custom ESB task that you want to run every 30 seconds continuously. Select the CORRECT task configuration you can use for this purpose.

Options:

A.

B.

C.

trigger interval=\"30\7>

D.

All three configurations are incorrect.

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Questions 7

You have created a custom ESB task that you want to run every 30 seconds for 50 times. Select the CORRECT task configuration you can use for this purpose.

Options:

A.

O

B.

All three configurations are incorrect.

C.

O

D.

O

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Questions 8

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.

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Questions 9

Which statement is true about implement a pass-through messaging scenario in the ESB profile?

Options:

A.

Message headers are altered but not the content.

B.

During pass-throughmessaging, the mediation logic is completely bypassed.

C.

The ESB profile may read the message content depending on the mediators that you have configured.

D.

Message content is altered during mediation.

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Questions 10

Select theINCORRECT statement regarding ESB connectors.

Options:

A.

Integration is much faster than using sequences and proxy services.

B.

Connectors cannot be directly added and removed to the runtime, so after deploying them you have to restart the servers.

C.

No extensiveknowledge of the source system is required to use ESB connectors.

D.

150+ connectors are available, and WS02 is continuously adding more to the connector collection.

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Questions 11

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.

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Questions 12

Which statement is correct about the graceful shutdown command to shut down the ESB profile?

Options:

A.

It will discard already existing requests and start the shutdown steps immediately.

B.

The graceful shutdown command is onlyavailable from the management console.

C.

Each profile uses the same key store and trust store.

D.

It will stop accepting new requests, process all existing requests, and then shut down.

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Questions 13

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

Options:

A.

API

B.

Inbound endpoint

C.

Proxy service

D.

Message processor

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Questions 14

Which statement is true about outbound endpoints?

Options:

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.

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Questions 15

Which statement is FALSE about SSL profile support in WS02 EI?

Options:

A.

SSL outbound profiles allow different SSL profiles for different backend servers.

B.

Each ssl profile uses the same keystore and truststore.

C.

Inbound SSL profiles allow you to specify different SSL profiles for different IPs of clients

D.

The purpose of SSL profiles is to allow connections to different servers with different certificates and identities.

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Questions 16

How can users write their own connector for the ESB Profile of the WS02 EI?

Options:

A.

Create a connector project and include proxy services to invoke the API provider's endpoints.

B.

Create a connector project and write Synapse configurations that call the API provider's endpoints.

C.

Create a connector project and use the API provider's SDK.

D.

Both option a and b can be used.

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Questions 17

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.

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Questions 18

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.

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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.

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Questions 20

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

Options:

A.

Wire-Tap

B.

Message Translator

C.

Content-Enricher

D.

Splitter

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Questions 21

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?

Options:

A.

Use WS02 EI with data services for database operations

B.

DBLookup mediator

C.

Store mediator

D.

DBReport mediator

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Questions 22

Which statement is TRUE about Java Message Service (JMS) message stores in the context of the ESB profile?

Options:

A.

Any JMS consumer application cannot consume messages from a given store. Only message processors can consume messages in a JMS message store.

B.

Both a and b are correct.

C.

The ESB profile supports the store-and-forward pattern but not guaranteed delivery.

D.

Users have the option to create a custom message store with their own message store implementation.

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Questions 23

Identify the INCORRECT statement about specifying scripts in the Script mediator.

Options:

A.

Scripts in the Script mediator can be stored in a separate file and can be referenced from the Script mediator.

B.

A script cannot be stored as an embedded script in the Script mediator configuration.

C.

The script file can be stored as a local entry.

D.

Script files can be stored in the registry.

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Questions 24

Which of the following is NOT an enterprise integration pattern?

Options:

A.

Splitter

B.

Facade

C.

Wire-Tap

D.

Dead Letter Channel

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Exam Code: Enterprise-Integrator-6-Developer
Exam Name: WSO2 Certified Enterprise Integrator 6 Developer (6.5 version)
Last Update: May 17, 2024
Questions: 83
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