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MuleSoft MCD-Level-1 Question Explanations - MCD-Level-1 Latest Exam Duration

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MuleSoft MCD-Level-1 Question Explanations - MCD-Level-1 Latest Exam Duration

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MuleSoft Certified Developer - Level 1 (Mule 4) Sample Questions (Q164-Q169):NEW QUESTION # 164
Refer to the exhibits.

The input array of strings is processed by the batch job that processes, filters, and aggregates the values. What is the last message logged by the Logger component after the batch job completes processing?
  • A. [ ["A", "C", "D" ], ["E"] ]
  • B. [''E'']
  • C. [ "A", "C, "D", "E" ]
  • D. [''D", "E"]
Answer: B
Explanation:
Logs would look like:
INFO 2021-06-09 19:14:56,039 [[MuleRuntime].uber.06: [validationtest].batch-job-validationtestBatch_Job-work-manager @6de10f3e] [processor: validationtestFlow/processors/1/route/0/route/0/aggregator/processors/0; event: bfb751e1-9939-11eb-9f69-02053763653a] org.mule.runtime.core.internal.processor.LoggerMessageProcessor:
[
""A"",
""C"",
""D""
]
--
INFO 2021-06-09 19:15:02,486 [[MuleRuntime].uber.06: [validationtest].batch-job-validationtestBatch_Job-work-manager @6de10f3e] [processor: validationtestFlow/processors/1/route/0/route/0/aggregator/processors/0; event: bfb751e1-9939-11eb-9f69-02053763653a] org.mule.runtime.core.internal.processor.LoggerMessageProcessor: [
""E""
]
Batch aggregator value is 3. Hence in first time it will print ["A", "C", "D"] and in next iteration it will print [ "E" ]
-------------------------------------------------------------------------------------------------------------------------------------------------- Correct answer is [ "E" ]

NEW QUESTION # 165
Refer to the exhibit.

What DataWeave expression transforms the conductorlds array to the XML output?
A)

B)

C)

D)

  • A. Option B
  • B. Option D
  • C. Option C
  • D. Option A
Answer: C

NEW QUESTION # 166
Refer to the exhibits.

The Set Payload transformer's value is set to {'year': '2020'}.
What message value should be added to the Logger component to output the message 'The year is 2020', without hardcoding 2020?
  • A. '#[The year is " + paytoad.year]'
  • B. '#[The year is $(pay load .year)]*
  • C. #["The year is "++ payload.year].
  • D. The year is #[payload.year]'
Answer: C

NEW QUESTION # 167
A function named newProdCode needs to be defined that accepts two input parameters, an integer value for itemID and a string value for productCategory, and returns a new product code.
What is the correct DataWeave code to define the newProdCode function?
  • A. fun newProdCode(itemID: Number, productCategory: String) = "C-" ++ productCategory ++ (itemID as String)
  • B. var newProdCode(itemID: Number, productCategory: String) ->
    "C-" ++ productCategory ++ (itemID as String)
  • C. function newProdCode(itemID: Number, productCategory: String) =
    "C-" ++ productCategory ++ (itemID as String)
  • D. fun newProdCode{itemID: Number, productCategory: String) -> "C-" ++ productCategory ++ (itemID as String)
Answer: A

NEW QUESTION # 168
What happens to the attributes of a Mule event in a flow after an outbound HTTP Request is made?
  • A. New attributes may be added from the HTTP response headers, but no headers are ever removed
  • B. Previous attributes are passed unchanged
  • C. Attributes do not change
  • D. Attributes are replaced with new attributes from the HTTP Request response (which might be null)
Answer: D
Explanation:
Attributes are replaced with new attributes from the HTTP Request response.
Attributes include everything apart from Payload/body. For ex: Headers, query parameters, URI parameters.
So, when outbound HTTP request is made, new attributes need to pass the outbound HTTP request and old attributes are replaced.
I have created below diagram to make it easy for you to understand:


NEW QUESTION # 169
......
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