MCD-Level-1模擬試験最新版 & MCD-Level-1関連資料

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MuleSoft MCD-Level-1 Exam Syllabus Topics:

SectionObjectives
Topic 1: Mule Events and Data Transformation- Mule Event Concepts
  • 1. Use DataWeave expressions
  • 2. Event payloads and variables
Topic 2: Application Network Basics- C4E and application networks
  • 1. Benefits of API-led connectivity
  • 2. Role of Center for Enablement (C4E)
- Modern API concepts
  • 1. API lifecycle
  • 2. API-led connectivity principles
Topic 3: API Design and Consumption- RAML and API Designer
  • 1. Define API resources
  • 2. Use query vs URI parameters
Topic 4: Application Structure and Flows- Flow design
  • 1. Private flows and subflows
  • 2. Flow references and persistence
Topic 5: Deployment and Management- Deployment topics
  • 1. Managing APIs and integrations
  • 2. Deploying Mule applications
Topic 6: Using Connectors and Processing Records- Record processing
  • 1. Handling records
  • 2. Batch processing basics
- Connectors
  • 1. HTTP and REST connectors
  • 2. Database connector usage
Topic 7: Routing and Error Handling- Error handling
  • 1. Global error handler
  • 2. On Error Continue vs Propagate
- Event routing
  • 1. Choice router
  • 2. Scatter-Gather router

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MuleSoft Certified Developer - Level 1 (Mule 4) 認定 MCD-Level-1 試験問題 (Q42-Q47):

質問 # 42
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?

正解:A


質問 # 43
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)

正解:B

解説:
Correct answer is as below. After all processing routes have finished execution, the Scatter-Gather component creates a new Mule event that combines all resulting Mule events from each route, and then passes the new Mule event to the next component in the flow.
{
"0": {
"attributes": ...,
"payload": "100"
},
"1": {
"attributes": ...,
"payload": "200"
}
}


質問 # 44
Refer to exhibits.

What message should be added to Logger component so that logger prints "The city is Pune" (Double quote should not be part of logged message)?

正解:A

解説:
Correct answer is The city is #[payload.City]
Answer can get confused with the option #["The city is" ++ payload.City] But note that this option will not print the space between is and city name. This will print The city isPune


質問 # 45
A company has an API to manage departments, with each department identified by a unique deptld. The API was built with RAML according to MuleSoft best practices.
What is valid RAML to specify a method to update the details for a specific department?
A)

B)

C)

D)

正解:B


質問 # 46
Refer to the exhibits.


A
web client submits a request to http://localhQst:8081. What is the structure of the payload at the end of the flow?

正解:B

解説:
Scatter-Gather Router
The Scatter-Gather component is a routing event processor that processes a Mule event through different parallel processing routes that contain different event processors. Each route receives a reference to the Mule event and executes a sequence of one or more event processors. Each of these routes uses a separate thread to execute the event processors, and the resulting Mule event can be either the same Mule event without modifications or a new Mule event with its own payload, attributes, and variables. The Scatter-Gather component then combines the Mule events returned by each processing route into a new Mule event that is passed to the next event processor only after every route completes successfully.
The Scatter-Gather component executes each route in parallel, not sequentially. Parallel execution of routes can greatly increase the efficiency of your Mule application and may provide more information than sequential processing.
Mule Ref Doc : https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept


質問 # 47
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