MuleSoft mcd-assoc practice test
MCD - Integration and API Associate (Mule 3) Exam
Question 1
What is the output type of the DataWeave map operator?
- A. Map
- B. Array
- C. String
- D. Object
Answer:
B
Reference:
https://help.mulesoft.com/s/QUESTION
NO:/0D52T00004mXVAVSA4/what-is-difference-between-
mapand-mapobject-in-dataweave
Question 2
Refer to the exhibit. A Payload Filter component processes a message with a non-empty payload.
What happens when the payload does not match the Payload Filter type?
- A. It throws a Filter exception
- B. It throws a configurable exception
- C. It calls a compensation flow
- D. It silently stops processing the message
Answer:
A
Question 3
Refer to the exhibit. What is the correct way to create a user?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer:
A
Question 4
What path setting is required for an HTTP Listener endpoint to route all requests to an APIkit router?
- A. /*
- B. /
- C. /{*}
- D. ALL
Answer:
B
Reference:
https://docs.mulesoft.com/mule-runtime/3.7/http-listener-connector
Question 5
Refer to the exhibit. In the execution of the Scatter-Gather, the flow1 route completes after 10
seconds and the flow2 route completes after 20 seconds. How many seconds does it take for the
Scatter-Gather to complete?
- A. 0
- B. 10
- C. 20
- D. 30
Answer:
A
Reference:
https://dzone.com/articles/scatter-gather-mule-esb
Question 6
Refer to the exhibits. What is the expected behavior of this application?
- A. The application will continuously output LOGGER1 and LOGGER2 messages every 2 seconds
- B. After 2 seconds, the application will output LOGGER1 and LOGGER2 messages exactly once
- C. The application will immediately output LOGGER1 and LOGGER2 messages exactly once
- D. An exception will be thrown indicating there is no inbound endpoint as a message source
Answer:
A
Question 7
Refer to the exhibits. What is the expected data that the POST /accounts endpoint expects?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer:
A
Question 8
What HTTP method should be used to add a new member to a collection in a RESTful service?
- A. DELETE
- B. PUT
- C. POST
- D. GET
Answer:
C
Question 9
Refer to the exhibit. A web client makes a request to the postUsersFlows HTTP Listener. The
Validation component in hrFlow then throws an exception. What response message is returned to
the web client?
- A. Unavailable
- B. Error
- C. Success
- D. Boom
Answer:
D
Question 10
A Transform Message component receives the XML payload:
What is the DataWeave expression to output an array of the two customerName elements?
- A. payload.order.*customer[].customerName
- B. payload.order.*customer.customerName
- C. payload.order.customer[].customerName
- D. payload.order.customer.customerName
Answer:
B
Question 11
Refer to the exhibits. What DataWeave transformation calls the flow with the following input
payload?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer:
B
Question 12
According to MuleSofts point of view, what is the core activity that enables an application network
to emerge
in an organization?
- A. Build point-to-point integrations that are referenced in a document library
- B. Build applications that use the same communication protocols to connect to each other
- C. Build modern APIs that are discoverable and reusable
- D. Enforce and align all data mapping with a master data management system
Answer:
C
Reference:
https://www.mulesoft.com/resources/api/what-is-an-application-network
Question 13
What execution model is used by For Each and Batch scopes?
- A. For Each is single-threaded and Batch is multi-threaded
- B. Batch is single-threaded and For Each is multi-threaded
- C. Both are multi-threaded
- D. Both are single-threaded
Answer:
A
Reference:
https://stackoverflow.com/QUESTION
NO:s/43413958/mule-batch-processing-vs-foreach-vs-
splitteraggregator
Question 14
What three layers are parts of Mulesoft’s definition of the API-led connectivity model?
- A. System, Process, Experience
- B. Model, View, Controller
- C. Backend, Mediation, Frontend
- D. Client, Proxy, Server
Answer:
A
Reference:
https://dzone.com/articles/api-led-connectivity-with-mule
Question 15
A web client posts a request to
http://localhost:8081?name=john
. What is the correct MEL
expression to
access the name parameter?
- A. #[message.payload.outboundProperties. “http.query.params’.name]
- B. #[message.inboundProperties.‘http.uri.params’.name]
- C. #[message.payload.inboundProperties. ‘http.query.params.’name]
- D. #[message.outboundProperties.’http.query.params’.name]
Answer:
B
Reference:
https://help.mulesoft.com/s/QUESTION
NO:/0D52T00004mXWrdSAG/uri-params-in-http-connector-
mule4