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MCD-Level-1 MuleSoft Certified Developer - Level 1 (Mule 4) Questions and Answers

Questions 4

Refer to the exhibit.

A Mule event is composed of a hierarchy of objects. Where in the hierarchy are variables stored?

Options:

A.

Mule event

B.

Mule message payload

C.

Mule message

D.

Mule message attributes

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Questions 5

Refer to the exhibits.

What is valid text to set the field in the Database connector configuration to the username value specified in the config.yaml file?

Options:

A.

${db.username>

B.

#[db.username]

C.

#[db:username]

D.

${db:username>

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Questions 6

Refer to the exhibits.

What payload and quantity are togged at the end of the main flow?

Options:

A.

[[order1, order2, order3, order4], 14]

B.

[[1,2,3,4], 10]

C.

[[1,2,3,4], 14]

D.

[orderlorder2order3order4, 14]

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Questions 7

Refer to the exhibits.

Set paylaod transformer is set the firstName and lastName of the customer as shown in below images.

What is the correct Dataweave expression which can be added in message attribute of a Logger activity to access firstName (which in this case is Madhav) from the incoming event?

Options:

A.

firstName

B.

customer.firstName

C.

vars."customer.firstName"

D.

vars."customer"."firstName"

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Questions 8

A company has an API to manage purchase orders, with each record identified by a unique purchase order ID. The API was built with RAML according to MuleSoft best practices.

What URI should a web client use to request order P05555?

Options:

A.

/orders/{P05555}

B.

/orders/order=P05555

C.

/orders?order=P05555

D.

/orders/P05555

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Questions 9

Refer to the exhibit.

The main flow contains a Flow Reference for the child flow.

What values are accessible in the child flow after a web client submits a request to http://localhost:8Q81/order? color=red?

Options:

A.

payload

B.

payload

quantity var

C.

payload

color query param

D.

payload

quantity var color query param

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Questions 10

An API instance of type API endpoint with API proxy is created in API manager using an API specification from Anypoint Exchange. The API instance is also configured with an API proxy that is deployed and running in CloudHub.

An SLA- based policy is enabled in API manager for this API instance.

Where can an external API consumer obtain a valid client ID and client secret to successfully send requests to the API proxy?

Options:

A.

In the organization's public API portal in Anypoint Exchange, from an approved client application for the API proxy

B.

In Anypoint Studio, from components generated by APIkit for the API specification

C.

In Anypoint Studio, from components generated by Rest Connect for API specification

D.

In Runtime Manager, from the properties tab of the deployed approved API proxy

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Questions 11

What is output of Dataweave flatten function?

Options:

A.

Object

B.

Map

C.

Array

(Correct)

D.

LInkedHashMap

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Questions 12

Refer to the exhibit.

What is the response to a web client request to http://localhost:8081 ?

Options:

A.

After

B.

before

C.

Validation Error

D.

null

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Questions 13

Refer to the exhibit.

What payload is returned from a request to http//localhost.8081/

Refer to the exhibits, what payload is returned from a request to http://localhost;8081/?

Options:

A.

1

B.

2

C.

3

D.

4

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Questions 14

Which Mule component provides a real-time, graphical representation of the APIs and mule applications that are running and discoverable?

Options:

A.

API Notebook

B.

Runtime Manager

C.

Anypoint Visualizer

D.

API Manager

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Questions 15

Following Mulesoft's recommended API-led connectivity approach , an organization has created an application network. The organization now needs to create API's to transform , orchestrate and aggregate the data provided by the other API's in the application network. This API should be flexible enought ot handle the data from additional API's in future.

According to Mulesoft's recommended API-led connectivity approach , what is the best layer for this new API?

Options:

A.

Process layer

B.

System layer

C.

Experience layer

D.

Data layer

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Questions 16

What should this endpoint return considering the API is build using standard practices?

http://dev.acme.com/api/patients?year=2021

Options:

A.

Patient with id 2021

B.

Patients from year 2021

C.

No patients

D.

All patients

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Questions 17

How are multiple conditions used in a Choice router to route events?

Options:

A.

To route the same event to the matched route of EVERY true condition

B.

To find the FIRST true condition, then distribute the event to the ONE matched route.

C.

None of these

D.

To find the FIRST true condition, then route the same event to the matched route and ALL FOLLOWING routes

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Questions 18

Refer to the exhibit.

What is the correct syntax to add a customer ID as a URI parameter in an HTTP Listener's path attribute?

Options:

A.

(customerlD)

B.

{customerlD}

C.

#[customerlD]

D.

${ customerID}

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Questions 19

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

A web client submits a request to the main flow's HTTP Listener that includes query parameters for the pedigree of the piano.

What values are accessible to the Logger component at the end of the main flow?

Options:

A.

payload

B.

payload

pedigree query params

C.

payload

producer var

D.

payload

pedigree query params producer var

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Questions 20

Refer to the exhibits The Mule application does NOT define any global error handlers.

A web client sends a POST request to the Multi application with this input payload The File Write operation throws a FILECONNECTIVITY error

What response message is returned to the web client?

Options:

A.

"ORDER NOT_CREATED"

B.

"OTHER ERROR"

C.

"File written"

D.

"FILECONNECTIVITY"

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Questions 21

What DataWeave expression transforms the example XML input to the CSV output?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 22

Refer to the exhibit.

What Database expression transforms the input to the output?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 23

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 step to fix this error?

Options:

A.

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

B.

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

C.

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

D.

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

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Questions 24

Refer to the exhibit.

In the execution of the Scatter_Gather, the flow1 route completes after 10 seconds and the flow2 route completes after 20 seconds.

How many seconds does it take for the Scatter_Gather to complete?

Options:

A.

0

B.

10

C.

20

D.

30

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Questions 25

How would you debug Mule applications?

Options:

A.

By Deploying apps on production

B.

Checking RAML specifications

C.

Using debugger component

D.

Use third party debugger application

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Questions 26

An On Table Row Database listener retrieves data from a table that contains record_id, an increasing numerical column.

How should the listener be configured so it retrieves new rows at most one time?

Options:

A.

Set the target to store the last retrieved record_id value

B.

Set the ObjectStore to store the last retrieved record_id value

C.

Set the target to the record_id column

D.

Set the watermark column to the record id column

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Questions 27

A Mule application contains a global error handler configured to catch any errors.

Where must the global error handler be specified so that the global error handler catches all errors from flows without their own error handlers?

Options:

A.

A configuration properties file

B.

Nowhere, the global error handler is automatically used

C.

A global element

D.

The pom.xml file

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Questions 28

Refer to the exhibits.

The Mule application implements a REST API that accepts GET requests from web clients on the URLs: http://acme com/order/status and http:Vacme.com/customer/status.

What path value can be set in the HTTP GE~ event source to accept web client requests from both of these URLs?

Options:

A.

*[order,customer]/status

B.

*/status

C.

?[order,customer]/status

D.

*status

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Questions 29

A Batch Job scope has five batch steps. An event processor throws an error in the second batch step because the input data is incomplete. What is the default behavior of the batch job after the error is thrown?

Options:

A.

All processing of the batch job stops.

B.

Event processing continues to the next batch step.

C.

Error is ignored

D.

Batch is retried

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Questions 30

An organization's Center for enablement (C4E)has built foundational assets (API specifications and implementation templates, common frameworks, and best practices guides) and published them to Anypoint Exchange.

What is a metric related to these foundational assets that helps the organization measure the success of it's C4E efforts?

Options:

A.

Utilization counts of foundational assets in production applications

B.

Correlation of each foundational asset with the counts of developers that download such asset

C.

Correlation of key performance indicators (KPI) of production applications with foundational assets

D.

Count how many Lines Of Business (LoBs) onsumed each foundational asset

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Questions 31

Refer to the exhibit.

The Mule application Is debugged in Any point Studio and stops at the breakpoint What is the value of the payload displayed In the debugger at this breakpoint?

Options:

A.

0

B.

"Processing"

C.

"Start"

D.

Complete"

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Questions 32

Refer to the exhibits.

A web client sends sale data in a POST request to the Mule application. The Transform Message component then enrich the payload by prepending a vendor name to the sale data.

What is written to the sales.csv file when the flow executes?

Options:

A.

The enriched payload in JSON format

B.

The enriched payload in XML format

C.

The enriched payload in CSV format

D.

An error message

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Questions 33

A Scatter-Gather processes three separate HTTP requests. Each request returns a Mule event with a JSON payload. What is the final output of the Scatter-Gather?

Options:

A.

An Array of the three Mule event Objects

B.

An Object containing all three Mule event Objects

C.

An Array of the three JSON payload Objects

D.

An Object containing all three JSON payload Objects

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Exam Code: MCD-Level-1
Exam Name: MuleSoft Certified Developer - Level 1 (Mule 4)
Last Update: Jul 4, 2022
Questions: 226

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