Free Salesforce DEX401 Exam Questions

Become Salesforce Certified with updated DEX401 exam questions and correct answers

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Total 235 Questions | Updated On: Jun 17, 2026

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Question 1

A web client sends one GET request to the test flow's HTTP Listener, which causes the test flow to call the updateTemp flow After the test flow returns a response, the web client then sends a different GET request to trie getTemp flow's HTTP Listener The test flow is not called a second time.

What response is returned from the request to the getTemp flow's HTTP Listener?

A :

B :

C :

D :

Answer: C

Question 2

Refer to the below exhibit. A Mule application configures a property placeholder file named config.yaml to set some property placeholders for an HTTP connector.

What is the valid properties placeholder file to set these values?

A : 1. http:2. host = 'localhost'3. port = '8081'

B : 1. http:2. basepath: 'api'3. host : 'localhost'4. port : '8081'

C : 1. http.host = localhost2. http.port = 8081

D : 1. {2. http:3. basePath: 'api',4. port: '8081',5. host: ' localhost'

Answer: B

Question 3

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?

A : firstName

B : customer.firstName

C : vars.'customer.firstName'

D : vars.'customer'.'firstName'

Answer: D

Question 4

Refer to the exhibits.

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

A web client sends a GET request to the main flow's HTTP Listener that includes a make query parameter.

What values are accessible in the child flow?

A : payload

B : payloadmake query param

C : payloadmodel var

D : payloadmake query param model var

Answer: D

Question 5

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?

A : Process layer

B : System layer

C : Experience layer

D : Data layer

Answer: A

Page: 1 / 47

Total 235 Questions | Updated On: Jun 17, 2026

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