Free Salesforce DEX660 Exam Questions

Become Salesforce Certified with updated DEX660 exam questions and correct answers

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Total 60 Questions | Updated On: Oct 24, 2026

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Question 1

A Mule application need to invoice an API hosted by an external system to initiate a process. The external API

takes anywhere between one minute and 24 hours to compute its process.

Which implementation should be used to get response data from the external API after it completes

processing?

A : Use an HTTP Connector to invoke the API and wait for a response

B : Use a Scheduler to check for a response every minute

C : Use an HTTP Connector inside Async scope to invoice the API and wait for a response

D : Expose an HTTP callback API in Mule and register it with the external system

Answer: D

Question 2

A Mule API receives a JSON payload and updates the target system with the payload. The developer uses

JSON schemas to ensure the data is valid.

How can the data be validation before posting to the target system?

A : Use a DataWeave 2.09 transform operation, and at the log of the DataWeave script, add:%dw 2.0Import.json-moduls

B : Using the DataWeave if Else condition test the values of the payload against the examples included inthe schema

C : Apply the JSON Schema policy in API Manager and reference the correct schema in the policyconfiguration

D : Add the JSON module dependency and add the validate-schema operation in the flow, configured toreference the schema

Answer: D

Question 3

Which properties are mandatory on the HTTP Connector configuration in order to use the OAuth 2.0 Authorization Code grant type for authentication?

A : External callback URL, access token URL, client ID response access token

B : Token URL, authorization URL, client ID, client secret local callback URL

C : External callback URL, access token URL, client ID, response refresh token

D : External callback URL, access token URL, local authorization URL, authorization URL, client ID, client secret

Answer: B

Question 4

A new Mule project has been created in Anypoint Studio with the default settings. Which file inside the Mule project must be modified before using Maven to successfully deploy the application?

A : Settings.xml

B : Config.yaml

C : Pom.xml

D : Mule.artificact.json

Answer: C

Question 5

The HTTP Request operation raises an HTTP CONNECTIVITY error.

Which HTTP status code and body are returned to the web client?

A : HTTP Status Code:200.Body ‘Error in processing your request

B : HTTP Status Code:500.Body ‘The HTTP CONNECTIVITY Error description

C : HTTP Status Code:500.Body ‘Error in processing your request

D : HTTP Status Code:500.Body ‘Error in processing your request

Answer: C

Page: 1 / 12

Total 60 Questions | Updated On: Oct 24, 2026

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