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Salesforce Salesforce-MuleSoft-Developer-I Prüfungsplan:

Thema	Einzelheiten
Thema 1	Routing Events: It focuses on using the Choice router for conditional logic and the Scatter-Gather router to multicast events. This topic also involves validating data by using the Validation module.
Thema 2	Using Connectors: It focuses on retrieving data from REST services using HTTP Request or REST Connector. Moreover, the topic covers using a Web Service Consumer connector for SOAP web services and the Transform Message component.
Thema 3	Deploying and Managing APIs and Integrations: It includes packaging Mule applications for deployment and deploying them to CloudHub. This topic also involves using CloudHub properties, creating and deploying API proxies, connecting an API implementation to API Manager, and applying policies to secure an API.
Thema 4	Designing APIs: Designing APIs involves describing the lifecycle of the modern API and using RAML to define various aspects of an API. It includes identifying when to use query parameters vs URI parameters, and defining API parameters.
Thema 5	Debugging and Troubleshooting Mule Applications: Using breakpoints to inspect a Mule event during runtime, installing missing Maven dependencies, and reading and deciphering Mule log error messages are sub-topics of this topic.
Thema 6	Accessing and Modifying Mule Events: It describes the Mule event data structure. Moreover, the topic focuses on usage of transformers and enriching Mule events.
Thema 7	Processing Records: Processing records includes methods for processing individual records in a collection and explaining how Mule events are processed by the For Each scope. It also involves using the Batch Job with Batch Steps and a Batch Aggregator.
Thema 8	Structuring Mule Applications: Structuring Mule applications covers parameterizing an application and defining and reusing global configurations. It includes breaking an application into multiple flows using private flows, subflows, and the Flow Reference component.
Thema 9	Handling Errors: Handling errors includes describing default error handling in Mule applications and defining custom global default error handlers. It involves comparing On Error Continue and On Error Propagate scopes, creating error handlers for a flow, using the Try scope, and mapping errors to custom application errors.

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Salesforce Certified MuleSoft Developer (Mule-Dev-201) Salesforce-MuleSoft-Developer-I Prüfungsfragen mit Lösungen (Q217-Q222):

217. Frage
Refer to the exhibit.

What is a valid expression for the Choice router's when expression to route events to the documenticShipping flow?

A. #[ if(payload == "US") ]
B. #[ payload == 'US' J
C. 0#[ payload = 'US' ]
D. #[ if(payload ='US') J

Antwort: B

Begründung:
Choice Router
The Choice router dynamically routes messages through a flow according to a set of DataWeave expressions that evaluate message content. Each expression is associated with a different routingoption. The effect is to add conditional processing to a flow, similar to an if/then/else code block in most programming languages.
Only one of the routes in the Choice router executes, meaning that the first expression that evaluates to true triggers thatroute's execution and the others are not checked. If none of the expressions are true, then the default route executes.
Properties of <when>
PropertyDescription
Expression (expression)
Expression in DataWeave language to evaluate input.If the expressionevaluates to true, this routing option is used:
* <whenexpression="#[vars.language == 'Spanish']">
Mulesoft Doc Ref : https://docs.mulesoft.com/mule-runtime/4.3/choice-router-concept With respect to above information , Option 1 is the correct syntax as others are incorrect because of below reasons
* Single = is not the correct syntax to validate the condition. It should be ==
* If keyword is not required in when condition.

218. Frage
What isthe purpose of the api:router element in APIkit?

A. Creates native connectors using a 3rd party Java library
B. Validatesresponses returned from API requests and routes them back to the caller
C. Serves as an API implementation
D. Validates requests against RAML API specifications and routes them to API implementations

Antwort: D

Begründung:
The APIkit Router is a key message processor that validates requests against the provided definition, enriches messages (for example by adding default values to the messages) and routes requests to a particular flow.
Also, the Router raises errors messages if errors occurs while routing, validating or processing the user request.

219. Frage
A Scatter-Gather processes three separate HTTP requests. Each request returns a Mule event with a JSON payload. What is the final output of the Scatter-Gather?

A. An Array of the three JSON payload Objects
B. An Object containing all three JSON payload Objects
C. An Array of the three Mule event Objects
D. An Object containing all three Mule event Objects

Antwort: D

Begründung:
Correct answer is An Object containing all three Mule event Objects
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.
Sample output is as below

MuleSoft Documentation reference : https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept

220. Frage
What is the default port used by Mule application debugger configuration in Anypoint Studio?

A. 0
B. 1
C. 2
D. 3

Antwort: A

Begründung:
By default, Debugger listens for incoming TCP connections on localhost port 6666 You can change this in a project's run configuration.
MuleSoft Doc Ref : https://docs.mulesoft.com/studio/7.5/visual-debugger-concept

221. Frage
Refer to the exhibits.

Mule application has an HTTP request configuration where host name is hardcoded. Organization is looking to move host and port values to configuration file. What valid expression can be used to so that HTTP configuration can pick the value from configuration file?

A. #[training.host]
B. ${http.host}
C. #{training.host}
D. ${training.host}

Antwort: D

Begründung:
Correct answer is ${training.host}

222. Frage
......

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