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

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Viewing questions 31-40 out of questions

Questions # 31:

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

Options:

As query parameters in the HTTP Request operation

As URI parameters in the HTTP Request operation

In the Mule event's payload

As flow variables

Answer

Explanation

In General > Request > Query Parameters, click theplus 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.

Graphical user interface, text, application, email Description automatically generated

Questions # 32:

According to MuleSoft, what is the Center for Enablement’s role in the new IT operating model?

Options:

Implements line of business projects to enforce common security requirements

Creates and manages discoverable assets to be consumed by line of business developers

Centrally manages partners and consultants to implement line of business projects

Implements line of business projects to enforce common security requirements

Answer

Explanation

Correct answer is Creates and manages discoverable assets to be consumedby line of business developers.

C4E does not get directly involved in projects.

Questions # 33:

An organization's Center for enablement (C4E)has built foundationalassets (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:

Utilization counts of foundational assets in production applications

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

Correlation of key performance indicators (KPI) of productionapplications with foundational assets

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

Answer

Explanation

Below are the Key performance indicators (KPIs), to measure and track the and success of the C4E and its activities, as well as thegrowth and health of the application network. Most of the metrics can be extracted automatically, through REST APIs, from Anypoint Platform.

• # of assets published to Anypoint Exchange

• # of interactions with Anypoint Exchange assets

• # of APIs managedby Anypoint Platform

• # of System APIs managed by Anypoint Platform

• # of API clients registered for access to APIs

• # of API implementations deployed to Anypoint Platform

• # of API invocations

• # or fraction of lines of code covered by automated tests in CI/CD pipeline

• Ratio of info/warning/critical alerts to number of API invocations

Questions # 34:

Refer to the exhibits.

Question # 34

A web client submits the request to the HTTPListener. What response message would be returned to web client?

Options:

End

String is not blank

No response would be sent back to client and request will get errored out in Mule

Start

Answer

Explanation

Correct answer is String is not blank.

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

Here’s specifically what is happening here:

1) Payload is successfully set to “Start”

2) The Is Blank String validator createsan Error Object because the payload is string "Start". Execution stops

#[error.description] = “String is not blank”

3) Because no error handler is defined, the Mule default error handler handles the error. Remember, at its heart, the Mule Default Error handler is an error handling scope with just an on error propagate

4) “String is not blank” is the error message returned to the requestor in the body of the HTTP requestHTTP Status Code: 500

Reference Diagram:

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Questions # 35:

Refer to the exhibits.

Question # 35

Themy-app xml file contains an Error Handier scope named "global-error-handler"

The Error Handler scope needs to be set to be the default error handler for every flow in the Mule application

Where and how should the value "global-error-handler" be added in the Mule project so that the Error Handler scope is the default error handler of the Mule application?

Options:

In the mule-artifact json file, as the value of a key-value pair

In the Validation folder as the value of a global element in the error-handling yamlfile

In the pom.xml file, as the value of a global element

In the my-app.xml file, as an attribute of a configuration element

Answer

Questions # 36:

A flow has a JMS Publish consume operation followed by a JMS Publish operation. Both of these operations have the default configurations. Which operation is asynchronous and which one is synchronous?

Options:

Publish consume: Synchronous. Publish: Asynchronous.

Publish consume: Asynchronous. Publish: Synchronous

Publish consume: Asynchronous. Publish: Asynchronous

Publish consume: Synchronous. Publish: Synchronous

Answer

Explanation

Publish consume: Synchronous. Publish: Asynchronous.

Questions # 37:

Refer to the exhibits.

Question # 37

This main mule application calls a separate flow called as ShippingAddress which returns the address corresponding to the name of the user sent to it as input. Output of this ShippingAddress is stored in a target variable named address.

Next set of requirement is to have a setPayload transformer which will set below two values

1) orderkey which needs to set to be equal to the order element received in the original request payload.

2) addressKey which needs to be set to be equalto the address received in response of ShippingAddress flow

What is the straightforward way to properly configure the Set Payload transformer with the required data?

Question # 37

A mule application is being developed which will process POST requests coming fromclients containing the name and order information. Sample request is as below

Options:

1. 1. {

2. 2. orderkey: "payload.order",

3. 3. addresskey: "vars.address"

4. 4. }

1. 1. {

2. 2. orderkey: "attributes.shippingaddress.order",

3. 3. addresskey: "payload"

4.}

1. 1. {

2. 2. orderkey: "payload.order",

3. 3. addresskey: "address"

4. }

1. 1. {

2. 2. orderkey: "attributes.order",

3. 3. addresskey: "vars.address"

4. }

Answer

Explanation

Correct answer is as below. In this case address will be stored in a variable. Hence payload will not be overwritten and will contain order details

{

orderkey: "payload.order",

addresskey: "vars.address"

}

Questions # 38:

What valid RAML retrieves details on a specific by its orderld as a URL parameter?

Question # 38

Options:

Option A

Option B

Option C

Option D

Answer

Questions # 39:

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 logmessage 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?

Options:

The HTTP Listener is listening on port 80

The HTTP Listener is listening on port 9090

The HTTP Listener is listening on port 8081

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

Answer

Explanation

Cloudhub exposeservices 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'

Questions # 40:

ARAML specification is defined to manage customers with a unique identifier for each customer record. What URI does MuleSoft recommend to uniquely access the customer identified with the unique ID 1234?

Options:

/customers?custid=true&custid=1234

/customers/1234

/customers/custid=1234

/customers?operation=get&custid=1234

Answer

Explanation

URI parameter (Path Param) is basically used to identify a specific resource or resources . For eg : the URL to get employee details on the basis of employeeID will be GET/employees/{employeeID} where employees is resource and {employeeID} is URI parameter. Hence option 1is the correct answer

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