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Understanding functional and technical aspects of MuleSoft Certified Developer - Level 1 Handling errors
The following will be asked from you in the exam:
- Handling errors
- Compare and contrast how the On Error Continue and On Error Propagate scopes work
- Describe the default error handling in a Mule application
- Define a custom global default error handler for an application and identify in what situations it will be used
- Describe the data structure of the Mule Error object
MuleSoft Certified Developer - Level 1 Certification Path
MuleSoft Certified Developer - Level 1 Exam is foundation level Certification. As such There is no prerequisite for this course. Anyone who is having keen interest and familiar with MuleSoft technology are well invited to pursue this certification.
NEW QUESTION 38
Refer to the exhibit. The main flow contains an HTTP Request in the middle of the flow. The HTTP Listeners and HTTP request use default configurations.
What values are accessible to the Logger at the end of the flow after a web client submit request to
http://local:801/order?color=red?
- A. payload quantity var
- B. payload color query param
- C. payload
- D. payload quantity var color query param
Answer: A
NEW QUESTION 39
An SLA based policy has been enabled in API Manager. What is the next step to configure the API proxy to enforce the new SLA policy?
- A. Add new environment variables and restart the API proxy
- B. Add required headers to the RAML specification and redeploy the new API proxy
- C. Add new property placeholders and redeploy the API proxy
- D. Restart the API proxy to clear the API policy cache
Answer: B
NEW QUESTION 40
A Mule application contains a global error handler configured to catch any errors.
Where must the global error handler be specified so that the global error handler catches all errors from flows without their own error handlers?
- A. A global element
- B. The pom.xml file
- C. A configuration properties file
- D. Nowhere, the global error handler is automatically used
Answer: A
NEW QUESTION 41
How can you call a subflow from Dataweave?
- A. Include function
- B. Lookup function
- C. Not possible in Mule 4
- D. Import function
Answer: B
Explanation:
This is a trick question.
You can call only flows from DataWeave using lookup function. Note that lookup function does not support calling subflows.
A subflow needs a parent context to inherit behaviors from such as exception handling, which a flow does not need Hence correct answer is Not possible in Mule 4
NEW QUESTION 42
Refer to the exhibits.
What is valid text to set the field in the Database connector configuration to the username value specified in the config.yaml file?
- A. #[db:username]
- B. #[db.username]
- C. ${db.username>
- D. ${db:username>
Answer: C
NEW QUESTION 43
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
model var - B. payload
make query param model var - C. payload
- D. payload
make query param
Answer: B
NEW QUESTION 44
How does APIkit determine the number of flows to generate from a RAML specification?
- A. Creates a separate flow for each resource that contains child resources
- B. Creates a separate flow for each resource
- C. Creates a separate flow for each response status code
- D. Creates a separate flow for each HTTP method
Answer: D
Explanation:
APIKIt Creates a separate flow for each HTTP method
NEW QUESTION 45
Refer to the exhibit.
All three of the condition for the Choice router are true. What log messages are written?
- A. Route 1
- B. Route2
- C. Route1, Route2
- D. Route1, Route2, Default
Answer: A
NEW QUESTION 46
A flow contains an HTTP Listener as the event source. What is the DataWeave expression to log the Content-Type header using a Logger component?
- A. #["Content-Type: " ++ attributes.headers.'content-type']
- B. #["Content-Type: " ++ headers.'content-type']
- C. #["Content-Type: " + attributes.headers.'content-type']
- D. #["Content-Type: " + headers.'content-type']
Answer: A
Explanation:
Option 1 is the only correct choice due to two reasons. 1) Concatenation is always with ++ sign and not with + sign which makes option 2 and 3 wrong 2) hearders can be accessed with attributes. headers and not with only headers which makes option 4 incorrect
NEW QUESTION 47
Refer to the exhibits.
The main flow contains an HTTP Request. The HTTP Listeners and HTTP Request use default configurations.
What values are accessible in the child flow after a web client submits a request to http://localhost:8081/order? col or = red?
- A. payload
quantity var - B. payload
color query param - C. payload
- D. payload
quantity var color query param
Answer: C
NEW QUESTION 48
Refer to the exhibit.
What expression correctly specifies input parameters to pass the city and state values to the SQL query?
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: C
NEW QUESTION 49
Which Mule component provides a real-time, graphical representation of the APIs and mule applications that are running and discoverable?
- A. Anypoint Visualizer
- B. Runtime Manager
- C. API Manager
- D. API Notebook
Answer: A
Explanation:
Correct answer is Anypoint Visualizer
MuleSoft Doc Ref : https://docs.mulesoft.com/visualizer/
Anypoint Visualizer provides a real-time, graphical representation of the APIs, and Mule applications that are running and discoverable. It also displays third-party systems that are invoked by a Mule API, proxy, or application within your application network. The data displayed in the graph is dynamically updated and does not require prior configuration. Additionally, the data displayed is secure, as only users with the proper permissions can view the application network graph.
NEW QUESTION 50
Refer to the exhibit.
What Database expression transforms the input to the output?
A)
B)
C)
D)
- A. Option B
- B. Option A
- C. Option C
- D. Option D
Answer: C
NEW QUESTION 51
Refer to the exhibit.
How many private flows does APIKIT generate from the RAML specification?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 52
Refer to the exhibit.
How should be the where clause written for the configured input parameters in such a way that it achieves below SQL query?
- A. WHERE city := city AND state := state
- B. WHERE city = attributes.city AND state = attributes.state
- C. WHERE city = :city AND state = :state
- D. WHERE city := ${city} AND state := ${state}
Answer: C
Explanation:
Correct syntax to use where clause is WHERE city = :city AND state = :state
NEW QUESTION 53
A Mule project contains a MySQL Database dependency. The project is 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?
A)
B)
C)
D)
- A. Option A
- B. Option C
- C. Option B
- D. Option D
Answer: C
NEW QUESTION 54
A Utility.dwl file is located in a Mule project at src/main/resources/modules. The Utility.dwl hie defines a function named pascalize that reformats strings to pascal case.
What is the correct DataWeave to call the pascalize function in a Transform Message component?
A)
B)
C)
D)
- A. Option A
- B. Option C
- C. Option B
- D. Option D
Answer: C
NEW QUESTION 55
A company has an API to manage purchase orders, with each record identified by a unique purchase order ID. The API was built with RAML according to MuleSoft best practices.
What URI should a web client use to request order P05555?
- A. /orders/P05555
- B. /orders?order=P05555
- C. /orders/order=P05555
- D. /orders/{P05555}
Answer: A
NEW QUESTION 56
Refer to the exhibits.
A web client submits a request to the HTTP Listener and the HTTP Request throws an error.
What payload and status code are returned to the web client?
Refer to the exhibits. A web client submits a request to the HTTP Listener and the HTTP Request throws an error.
What payload and status code are returned to the web client?
- A. Error response body: error, description Default error response status code: 500
- B. Response body: "Error" Default response status code: 200
- C. Response body: "Success - End" Default response status code: 200
- D. Response body: "Success - Begin* Default response status code: 200
Answer: B
NEW QUESTION 57
Refer to the exhibits.
A JSON payload is set in the Set Payload transformer.
What is logged by the Logger?
- A. "String"
- B. "JSON"
- C. "Array"
- D. "Object"
Answer: C
NEW QUESTION 58
Refer to the exhibits.
The web client sends a POST request to the ACME Order API with an XML payload. An error is returned.
What should be changed in the request so that a success response code is returned to the web client?
- A. Set a response header with the name Content-Type to a value of applkation/xml
- B. Set a request header with the name Content-Type to a value of application/xml
- C. Set a response header with the name Content-Type to a value of application/octet-stream
- D. Set a request header with the name Content-Type to a value of applicatron/octet-stream
Answer: B
Explanation:
The HTTP 415 Unsupported Media Type client error response code indicates that the server refuses to accept the request because the payload format is in an unsupported format. The format problem might be due to the request's indicated Content-Type or Content-Encoding , or as a result of inspecting the data directly. As per RAML input is expected in application/xml.
Hence correct answer is Set a request header with the name Content-Type to a
NEW QUESTION 59
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