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Salesforce Certified MuleSoft Developer (Mule-Dev-201) Questions and Answers

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Viewing questions 41-50 out of questions

Questions # 41:

Refer to the exhibit. The main flow contains an HTTP Request in the middle of the flow. The HTTP Listeners and HTTP request use default configurations.

What values are accessible to the Logger at the end of the flow after a web client submit request tohttp://local:801/orde r?color=red?

Question # 41

Options:

payload

payload quantity var

payload color query param

payload quantity var color query param

Answer

Explanation

In this case as outbound call is made using HTTP: POST /child , all attributes will be replacedby this invocation. Hence query parameter will not be accessible at logger.

Questions # 42:

Refer to the exhibits.

Question # 42

The Batch Job scope processes the array of strings

After the Batch Job scope completes processing the input payload what information is logged by the Logger component?

Question # 42

Options:

Option A

Option B

Option C

Option D

Answer

Explanation

QUESTIONNO: 219

A Mule project contains a DataWeave module file WebStore dvA that defines a function named loginUser The module file is located in the projects src/main/resources/libs/dw folder

What is correct DataWeave code to import all of the WebStore.dwl file's functions and then call the loginUser function for the login "cindy.park@example.com"?

A. Option A

B. Option B

C. Option C

D. Option D

Answer: D

Questions # 43:

Refer to the exhibits. A web client submits a request to http://localhost:8081/fliqhts?destination=SFO and the Web Service Consumer throws a WSC:BAD_REQUEST error.

What is the next stepto fix this error?

Question # 43

Options:

Set a header In the Consume operation equal to the destination query parameter

set a SOAP payload before the Consume operation that contains the destination query parameter

set a property m the Consume operation equal to the destination query parameter

set a JSON payload before the Consume operation that contains the destination query parameter

Answer

Explanation

As can be seen in error message , SOAP service findFlights expects the SOAP paylaod. This can be set using transform message processor which forms SOAP payload before the Consume operation that contains the destination query parameter

Questions # 44:

Refer to the exhibit.

Question # 44

What expression correctly specifies inputparameters to pass the city and state values to the SQL query?

Question # 44

Options:

Option A

Option B

Option C

Option D

Answer

Explanation

MuleSoft Documentation Reference : https://docs.mulesoft.com/db-connector/1.9/database-connector-select

Questions # 45:

Refer to the exhibits.

Question # 45

The input array of strings is processed by the batch job that processes, filters, and aggregates the values. What is the last message logged by the Logger component after the batch job completes processing?

Options:

[ ["A", "C", "D" ], ["E"] ]

[''E'']

[''D", "E"]

[ "A", "C, "D", "E" ]

Answer

Explanation

Logs would look like:

INFO 2021-06-09 19:14:56,039[[MuleRuntime].uber.06: [validationtest].batch-job-validationtestBatch_Job-work-manager @6de10f3e] [processor:validationtestFlow/processors/1/route/0/route/0/aggregator/processors/0; event: bfb751e1-9939-11eb-9f69-02053763653a] org.mule.runtime.core.internal.processor.LoggerMessageProcessor:

[

“\”A\””,

“\”C\””,

“\”D\””

]

—-

INFO 2021-06-09 19:15:02,486 [[MuleRuntime].uber.06: [validationtest].batch-job-validationtestBatch_Job-work-manager @6de10f3e] [processor: validationtestFlow/processors/1/route/0/route/0/aggregator/processors/0; event: bfb751e1-9939-11eb-9f69-02053763653a] org.mule.runtime.core.internal.processor.LoggerMessageProcessor: [

“\”E\””

]

Batch aggregator value is 3. Hence in first time it will print [“A”, “C”, “D”] and in next iteration it will print [ “E” ]

--------------------------------------------------------------------------------------------------------------------------------------------------

Correct answer is [ “E” ]

Questions # 46:

Refer to the exhibits. A web client sends a POST request to the HTTP Listener and the Validation component in the Try scope throws an error.

What response message is returned to the web client?

Question # 46

Options:

Validation Error

"END"

"ERROR1"

''ERROR2"

Validation Error

"END"

"ERROR1"

Answer

Questions # 47:

According to MuleSoft. what isthe first step to create a Modern API?

Options:

Gather a list of requirements to secure the API

Create an API specification and get feedback from stakeholders

Performance tune and optimize the backend systems and network

Create a prototype of the API implementation

Answer

Explanation

First step in creating Modern API is to create an API specification and get feedback from stakeholders so that any future issues can be identified at early stage thereby reducing overall delivery time

[Reference:https://developer.mulesoft.com/tutorials-and-howtos/quick-start/designing-your-first-api, ]

Questions # 48:

A web client sends a request tohttp;//localhost:8081?dept=sales. What is the correct DataWeave expression to access the value of dept?

Options:

attributes.queryParams.dept

attributes.dept

message.queryParams.dept

vars.dept

Answer

Questions # 49:

Refer to the exhibit.

Question # 49

What is the correct DataWeave expression for the Set Payload transformer to call the createCustomerObject flow with values for the first and last names of a new customer?

Options:

lookupC createCustomerObJect( "Alice", "Green- ) )

createCustomerObject( { first: "Alice", last: "Green" > )

lookupf "createCustomerObject", { first: "Alice", last: "Green" > )

createCustomerObject( "Alice", "Green")

Answer

Explanation

lookup(String,Any, Number)

This function enables you to execute a flow within a Mule app and retrieve the resulting payload.

It works in Mule apps that are running on Mule Runtime version 4.1.4 and later.

Similar to the Flow Reference component (recommended), the lookup function enables you to execute another flow within your app and to retrieve the resulting payload. It takes the flow’s name and an input payload as parameters. For example, lookup("anotherFlow", payload) executes a flow named anotherFlow.

Correct answeris

lookup( "createCustomerObject", {first: "Aice, last: "Green"})

MuleSoft Documentation Reference : https://docs.mulesoft.com/mule-runtime/4.3/dw-mule-functions-lookup

Questions # 50:

Refer to the exhibits. A database Address table contains a ZIPCODE column and an increasing ID column. The Address table currently contains tour (4) records. The On Table Row Database listener is configured with its watermark set to the Address table's ZIPCODE column and then the Mule application is run in Anypoint Studio tor the first time, and the On Table Row Database listener polls the Address table.

Anew row is added to the database with 1D=5 and ZIPCODE-90006, and then the On Table Row Database listener polls the database again.

Alter the next execution of the On Table Row Database listener polling, what database rows have beenprocessed by the Mule flow since the Mule application was started?

Question # 50