Most Recent Salesforce-MuleSoft-Developer-I Exam Questions & Answers

Prepare for the Salesforce Certified MuleSoft Developer I exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Salesforce-MuleSoft-Developer-I exam and achieve success.

The questions for Salesforce-MuleSoft-Developer-I were last updated on Nov 28, 2024.

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Question No. 1

What is minimal requirement in a flow for a Mule application to compile?

AEvent Source

BEvent Processors

CError handlers

DSource and processors both

Show Answer

Correct Answer: B

Process section is must to get compiles. Process section must have one or more processors

Question No. 2

Refer to the exhibit.

How should be the where clause written for the configured input parameters in such a way that it achieves below SQL query?

AWHERE city := ${city} AND state := ${state}

BWHERE city = attributes.city AND state = attributes.state

CWHERE city = :city AND state = :state

DWHERE city := city AND state := state

Show Answer

Correct Answer: C

Correct syntax to use where clause isWHERE city = :city AND state = :state

This question validates knowledge on using dynamic queries in DBselect operation.

Configure Dynamic Queries in the Select Operation

When you need to parameterize not only theWHEREclause but also parts of the query itself (for example, queries that compare tables that depend on a condition, or complex queries for which the project table columns need to vary), you can configure dynamic queries.

In the following example, you configure a dynamic query by using a full expression with a string in which the table depends on a variable$(vars.table). Although some of the query text is dynamic ('SELECT * FROM $(vars.table)), theWHEREclause still defines theWHEREcondition using input parameters: in this case,WHERE name = :name.

In your Studio flow, select theSelectoperation.

In the operation configuration screen, set theSQL Query Textfield toSELECT * FROM $(vars.table) WHERE name = :name.

Set theInput Parametersfield to{'name' : payload}.

The following screenshot shows the configuration in Studio:

Figure 3. Dynamic query configuration

In the XML editor, the<db:sql>configuration looks like this:

<set-variable variableName='table' value='PLANET'/>

<db:select config-ref='dbConfig'>

<db:sql>#['SELECT * FROM $(vars.table) WHERE name = :name']</db:sql>

<db:input-parameters>

#[{'name' : payload}]

</db:input-parameters>

</db:select>

You can apply input parameters only to parameters in aWHEREclause. To modify any other part of the query, use the DataWeave interpolation operator.

Mule Ref Doc:Query a Database Examples - Mule 4 | MuleSoft Documentation

Question No. 3

How are query parameters dynamically passed to an outbound REST request using an HTTP Request operation?

AAs query parameters in the HTTP Request operation

BAs URI parameters in the HTTP Request operation

CIn the Mule event's payload

DAs flow variables

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Correct Answer: A

In General > Request > Query Parameters, click the plus icon (+) to add a parameter to a request. Type a name and value for the parameter or use a DataWeave expression to define the name and value.

Question No. 4

A Mule application's HTTP Listener is configured with the HTTP protocol. The HTTP listeners port attribute is configured with a property placeholder named http.port. The mule application sets the http.port property placeholder's value to 9090

The Mule application is deployed to CloudHub without setting any properties in the Runtime manager Properties tab and a log message reports the status of the HTTP listener after the Mule application deployment completes.

After the mule applications is deployed, what information is reported in the worker logs related to the port on which the Mule application's HTTP Listener listens?

AThe HTTP Listener is listening on port 80

BThe HTTP Listener is listening on port 9090

CThe HTTP Listener is listening on port 8081

DThe HTTP Listener failed to bind to the port and is not listening for connections

Show Answer

Correct Answer: C

Cloudhub expose services on port 8081 and override value in http.port with this one .

Sample log in Runtime Manager is below

21:15:53.148 08/08/2021 Worker-0 ArtifactDeployer.start.01 INFO

Listening for connections on 'http://0.0.0.0:8081'

Question No. 5

Refer to the exhibits.

The Set Variable transformer is set with value #[ [ first "Max" last "Mule"} ].

What is a valid DataWeave expression to set as the message attribute of the Logger to access the value "Max" from the Mule event?

Avars 'customer first'

B'customer first'

Ccustomer first

Dvars 'customer' 'first'

Show Answer

Correct Answer: D

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