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

Question 1

Which statement is FALSE with respect to secure vault?

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

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

C. 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'.

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

Correct Answer: C

Question 2

What is NOT a basic construct of the ESB profile?

A. RESTAPI

B. Sequence

C. Pipeline

D. Proxy service

Correct Answer: C

Question 3

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

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

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

C. 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.

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

Correct Answer: C

Question 4

Select the appropriate Enterprise Integration Pattern (EIP) that can be used to combine the results of individual but related messages so that they can be processes as a whole.

A. Process Manager

B. Envelope Wrapper

C. Composed Msg. Processor

D. Aggregator

Correct Answer: A

Question 5

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.

Correct Answer: C

Question 6

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. Custommediator

B. Script mediator

C. File Connector

D. Tasks

Correct Answer: B

Question 7

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

A. Dynamic Router

B. Composed Msg. Processor

C. Content Filter

D. Message Filter

Correct Answer: C

Question 8

Select the CORRECT statement about exception handling in custom Class mediators.

A. If you throw any exception that is a subclass of Java's Exception class, the fault sequence will be triggered.

B. To facilitate better debugging, you need to set ERROR_CODE, ERROR_MESSAGE, and ERROR_DETAIL properties inside the Class mediator.

C. Both statement a and b are incorrect.

D. Toinvoke a fault sequence for handling errors, you need to throw an AxisException from the Class mediator whenever required.

Correct Answer: A

Question 9

Which statement is true about EIPs?

A. EIPsare used by most ESB vendors as a common set of patterns related to integration.

B. EIP is a standard for all ESBs.

C. EIPs are not valid for modern integration scenarios.

D. EIPs are designed to implement SOA.

Correct Answer: B

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

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