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

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Viewing questions 11-20 out of questions

Questions # 11:

Correct answer is {customerID}.

Options:

var toUpper(userName) -> upper(userName)

fun toUpper(userName) = upper(userName)

fun toUpper(userName) -> upper(userName)

var toUpper(userName) = upper(userName)

Answer

Explanation

[Reference:https://docs.mulesoft.com/http-connector/1.5/http-listener-ref, A function named toUpper needs to be defined that accepts a string named userName and returns the string in uppercase., What is the correct DW code to definethe toUpper function?]

Questions # 12:

Refer to the exhibit.

Question # 12

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

Options:

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

WHERE city = attributes.cityAND state = attributes.state

WHERE city = :city AND state = :state

WHERE city := city AND state := state

Answer

Explanation

Correct syntax to use where clause is WHERE city = :city AND state = :state

This question validates knowledge on using dynamicqueries in DB select operation.

Configure Dynamic Queries in the Select Operation

When you need to parameterize not only the WHERE clause but also parts of the query itself (for example, queries that compare tables that depend on a condition, or complexqueries 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). Althoughsome of the query text is dynamic ("SELECT * FROM $(vars.table)), the WHERE clause still defines the WHERE condition using input parameters: in this case, WHERE name = :name.

In your Studio flow, select the Select operation.

In the operation configurationscreen, set the SQL Query Text field to SELECT * FROM $(vars.table) WHERE name = :name.

Set the Input Parameters field to {'name' : payload}.

The following screenshot shows the configuration in Studio:

Graphical user interface, application Description automatically generated

Figure 3. Dynamic query configuration

In the XML editor, the configuration looks like this:

#["SELECT * FROM $(vars.table) WHERE name = :name"]

#[{'name' : payload}]

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

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

Questions # 13:

A Mule project contains a MySQL Database dependency. The projectis exported from Anypoint Studio so it can be deployed to CloudHub.

What export options create the smallest deployable archive that will successfully deploy to CloudHub?

What export option create their smallest deployable archive that will successfully deploy to CloudHub?

Question # 13

Options:

Option A

Option B

Option C

Option D

Answer

Questions # 14:

Refer to the exhibits. The main flow contains an HTTP Request operation configured to call the child flow's HTTP Listener.

Aweb client sends a GET request to the HTTP Listener with the sty query parameter set to 30.

After the HTTP Request operation completes, what parts of the Mule event at the main flow's Logger component are the same as the Mule event that was input to theHTTP Request operation?

Question # 14

Options:

The payload and all variables

All variables

The entire Mule event

The payload and all attributes

Answer

Questions # 15:

Refer to the exhibit. APIkit is used to generate flow components for the RAML specification.

How many apikit:router XML elements are generated to handle requests to every endpoint defined in the RAML specification?

Question # 15

Options:

Answer

Questions # 16:

According to Mulesoft, how are Modern APIs treated as?

Options:

Products

SOAP API's

Rest API's

Code

Answer

Explanation

Correct answer is Products

Modern API has three features 1) Treated as products for easy consumption 2) Discoverable and accessible through self-service 3) Easily managed for security , scalability and performance

Questions # 17:

A web client submits a request tohttp://localhost:8081/books/0471767840. The value "0471767840" is captured by a Set Variable transformer to a variable named booklSBN.

What is the DataWeave expression to access booklSBN later in the flow?