Salesforce MuleSoft Developer II Exam Practice Test Instant Access

Question 1

The Center for Enablement team published a common application as a reusable module to the central Nexus repository.

How can the common application be included in all API implementations?

ADownload the common application from Naxus and copy it to the src/main/resources folder in the API

BCopy the common application's source XML file and out it in a new flow file in the src/main/mule folder

CAdd a Maven dependency in the PCM file with multiple-plugin as <classifier>

DAdd a Maven dependency in the POM file with jar as <classifier>

Answer : D

To include a common application as a reusable module in all API implementations, the developer should add a Maven dependency in the POM file with jar as <classifier>. This way, the developer can reuse Mule code from another application by packaging it as a JAR file and adding it as a dependency in the POM file of the API implementation. The classifier element specifies that it is a JAR file. Reference: https://docs.mulesoft.com/mule-runtime/4.3/mmp-concept#add-a-maven-dependency-to-the-pom-file

Question 2

Refer to the exhibit.

A Mute Object Store is configured with an entry TTL of one second and an expiration interval of 30 seconds.

What is the result of the flow if processing between os'store and os:retrieve takes 10 seconds?

AnullPayload

BoriginalPayload

COS:KEY_NOT_FOUND

DtestPayload

Answer : A

The result of the flow is nullPayload if processing between os:store and os:retrieve takes 10 seconds. This is because the entry TTL of the object store is one second, which means that any stored value expires after one second and is removed from the object store. The expiration interval of 30 seconds only determines how often the object store checks for expired values, but it does not affect the TTL. Therefore, when os:retrieve tries to get the value after 10 seconds, it returns nullPayload because the value has already expired and been removed. Reference: https://docs.mulesoft.com/object-store/osv2-faq#how-does-the-time-to-live-work

Question 3

A Mule application need to invoice an API hosted by an external system to initiate a process. The external API takes anywhere between one minute and 24 hours to compute its process.

Which implementation should be used to get response data from the external API after it completes processing?

AUse an HTTP Connector to invoke the API and wait for a response

BUse a Scheduler to check for a response every minute

CUse an HTTP Connector inside Async scope to invoice the API and wait for a response

DExpose an HTTP callback API in Mule and register it with the external system

Answer : D

To get response data from the external API after it completes processing, the developer should expose an HTTP callback API in Mule and register it with the external system. This way, the external API can invoke the callback API with the response data when it is ready, instead of making the Mule application wait for a long time or poll for a response repeatedly. Reference: https://docs.mulesoft.com/mule-runtime/4.3/http-listener-ref#callback

Question 4

In a Mule project, Flow-1 contains a flow-ref to Flow-2 depends on data from Flow-1 to execute successfully.

Which action ensures the test suites and test cases written for Flow-1 and Flow-2 will execute successfully?

AChain together the test suites and test cases for Flow-1 and Flow-2

BUse ''Set Event to pass the input that is needed, and keep the test cases for Flow-1 and Flow-2 independent

CUse ''Before Test Case'' To collect data from Flow-1 test cases before running Flow-2 test cases

DUse 'After Test Case' to produce the data needed from Flow-1 test cases to pass to Flow-2 test cases

Answer : B

To ensure the test suites and test cases written for Flow-1 and Flow-2 will execute successfully, the developer should use a Set Event processor to pass the input that is needed by Flow-2, and keep the test cases for Flow-1 and Flow-2 independent. This way, the developer can isolate the testing of each flow and avoid coupling them together. Reference: https://docs.mulesoft.com/munit/2.3/munit-test-flow

Question 5

A Mule application defines as SSL/TLS keystore properly 'tis,keystore.keyPassword'' as secure.

How can this property be referenced to access its value within the application?

A#{secure::tiskeystore,keyPassowrd}

B${secure::tiskeystore,keyPassowrd}

C${secure::tiskeystore,keyPassowrd}

Dp{secure::tiskeystore,keyPassowrd}

Answer : B

secure::tiskeystore,keyPassowrdShortExplanationofCorrectAnswerOnly:Toreferenceasecurepropertyvaluewithintheapplication,thedeveloperneedstousethesyntax{secure::}. In this case, the property name is tiskeystore,keyPassword, so the correct syntax is ${secure::tiskeystore,keyPassowrd}. Reference: https://docs.mulesoft.com/mule-runtime/4.3/secure-configuration-properties#referencing-secure-properties

Question 6

The HTTP Request operation raises an HTTP CONNECTIVITY error.

Which HTTP status code and body are returned to the web client?

AHTTP Status Code:200.
Body 'Error in processing your request

BHTTP Status Code:500.
Body 'The HTTP CONNECTIVITY Error description

CHTTP Status Code:500.
Body 'Error in processing your request

DHTTP Status Code:500.
Body 'Error in processing your request

Answer : C

When the HTTP Request operation raises an HTTP CONNECTIVITY error, it triggers an on-error-continue handler that sets a payload with 'Error in processing your request'. Since no status code is explicitly set in this handler, it defaults to 500 (INTERNAL SERVER ERROR). Therefore, the web client receives an HTTP response with status code 500 and body 'Error in processing your request'. Reference: https://docs.mulesoft.com/mule-runtime/4.3/error-handling#on-error-continue

Question 7

A system API that communicates to an underlying MySQL database is deploying to CloudHub. The DevOps team requires a readiness endpoint to monitor all system APIs.

Which strategy should be used to implement this endpoint?

ACreate a dedicated endpoint that responds with the API status and reachability of the underlying systems

BCreate a dedicated endpoint that responds with the API status and health of the server

CUse an existing resource endpoint of the API

DCreate a dedicated endpoint that responds with the API status only

Answer : A

To implement a readiness endpoint to monitor all system APIs, the developer should create a dedicated endpoint that responds with the API status and reachability of the underlying systems. This way, the DevOps team can check if the system API is ready to receive requests and if it can communicate with its backend systems without errors. Reference: https://docs.mulesoft.com/mule-runtime/4.3/deployment-strategies#readiness-probes

Salesforce MuleSoft Developer II Salesforce Certified MuleSoft Developer II Exam Practice Test