Exam MCD-Level-1 Duration & MCD-Level-1 Answers Real Questions

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MuleSoft MCD-Level-1 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: MuleSoft Fundamentals & Anypoint Platform	10%	- Anypoint Platform architecture and components - API-led connectivity concepts - API lifecycle management
Topic 2: Testing, Debugging & Deployment	15%	- Debugging in Anypoint Studio - Application deployment to CloudHub - Deployment best practices
Topic 3: DataWeave Transformations	20%	- Data format conversion - DataWeave syntax and expressions - Payload and attribute manipulation
Topic 4: API Design & Implementation	15%	- RESTful interface implementation - APIkit usage - RAML-based API definition
Topic 5: Mule Application Development	25%	- Properties and configuration - Connectors and transports - Flow construction and components
Topic 6: Error Handling & Logging	15%	- Custom error handlers - Logging and monitoring - Default error handling

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MuleSoft Certified Developer - Level 1 (Mule 4) Sample Questions (Q51-Q56):

NEW QUESTION # 51
A web client submits a request to http://localhost:8081?accountType=personal. The query parameter is captured using a Set Variable transformer to a variable named accountType.
What is the correct DataWeave expression to log accountType?

A. Account Type: #[vars.accountType]
B. Account Type: # [attributes.accountType]
C. Account Type: #[message.inboundProperties.accountType]
D. Account Type: #[flowVars.accountType]

Answer: A

Explanation:
vars: Keyword for accessing a variable, for example, through a DataWeave expression in a Mule component, such as the Logger, or from an Input or Output parameter of an operation. If the name of your variable is myVar, you can access it like this: vars.myVar Hence correct answer is Account Type: #[vars.accountType]

NEW QUESTION # 52
Refer to the exhibit. The input array of strings is passed to the batch job, which does NOT do any filtering or aggregating. What payload is logged by the Logger component?

A. [ "Apptel", "Bananal", 2 ]
B. [ "Apple", "Banana" ]
C. Summary report of processed records
D. [ "Apptel2", "Bananal2" ]

Answer: C

NEW QUESTION # 53
Refer to the exhibits.

Each route in the Scatter-Gather sets the payload to the number shown in the label. What response is returned to a web client request to the HTTP Listener?
A)

B)

C)

D)

A. Option B
B. Option D
C. Option A
D. Option C

Answer: B

NEW QUESTION # 54
Refer to the exhibit.

What data is expected by the POST /accounts endpoint?
A)

B)

C)

D)

A. Option B
B. Option D
C. Option A
D. Option C

Answer: B

NEW QUESTION # 55
What is output of Dataweave flatten function?

A. Map
B. Array
(Correct)
C. LInkedHashMap
D. Object

Answer: B

Explanation:
Correct answer is Array.
Flatten turns a set of subarrays (such as [ [1,2,3], [4,5,[6]], [], [null] ]) into a single, flattened array (such as [ 1, 2, 3, 4, 5, [6], null ]).
This example defines three arrays of numbers, creates another array containing those three arrays, and then uses the flatten function to convert the array of arrays into a single array with all values.
Source
%dw 2.0
output application/json
var array1 = [1,2,3]
var array2 = [4,5,6]
var array3 = [7,8,9]
var arrayOfArrays = [array1, array2, array3]
---
flatten(arrayOfArrays)
Output
[ 1,2,3,4,5,6,7,8,9 ]

NEW QUESTION # 56
......

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