Salesforce Salesforce Certified MuleSoft Developer I PDF Salesforce Salesforce Certified MuleSoft Developer I PDF Questions Available Here at: https://www.certification-exam.com/en/dumps/salesforce-exam/certified-mulesoft- developer-i-dumps/quiz.html Enrolling now you will get access to 506 questions in a unique set of Salesforce Certified MuleSoft Developer I Question 1 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) Salesforce Salesforce Certified MuleSoft Developer I PDF https://www.certification-exam.com/ Options: A. Option A B. Option B C. Option C D. Option D Answer: A Explanation: The correct answer is A. The question is asking for the correct expression to pass two input parameters, city and state, into a SQL query. In most reporting or query tools, when you define input parameters for a SQL statement, you must match the parameter names and use the correct syntax for binding values into the query. Why A is correct: Option A uses the proper parameter expression format to map both city and state values correctly into the SQL query. It specifies the inputs in a way that the query engine can recognize and substitute the values at runtime. Why the other options are incorrect: The other choices typically fail for one of these reasons: - They use incorrect parameter syntax - They do not pass both values properly - They reference the parameters in a format not supported by the SQL query interface - They may treat the values as plain text instead of bound inputs In short, if the query needs both city and state, the expression must correctly bind both parameters using the expected parameter notation. That is what Option A does. Final answer: A Question 2 A Mule flow has three Set Variable transformers. What global data structure can be used to access the variables? Options: A. Mule event attributes B. Mule event message C. Mule application properties D. Mule event Answer: D Explanation: Salesforce Salesforce Certified MuleSoft Developer I PDF https://www.certification-exam.com/ The correct answer is D. Mule event. In Mule, variables set by Set Variable transformers are stored in the Mule event. The Mule event is the main data structure that carries information through a flow, including: - the message payload - message attributes - variables Why the other options are incorrect: A. Mule event attributes - Attributes contain metadata about the current message, such as headers or transport-related information. - They do not store variables created by Set Variable. B. Mule event message - The message contains the payload and attributes. - Variables are not stored in the message itself. C. Mule application properties - Application properties are configuration values defined for the app. - They are unrelated to flow variables. D. Mule event - This is the correct choice. - Flow variables are part of the Mule event and can be accessed from there. So, if a flow has three Set Variable transformers, all three variables are available through the Mule event. Question 3 In an application network. If the implementation but not the interface of a product API changes, what needs to be done to the other APIs that consume the product API? Options: A. The applications associated with the other APIs must be restarted B. The applications associated with the other APIs must be recoded C. The other APIs must be updated to consume the updated product API D. Nothing needs to be changed in the other APIs or their associated applications Answer: D Explanation: The correct answer is D. Nothing needs to be changed in the other APIs or their associated applications. In an application network, APIs are designed to be loosely coupled through well-defined interfaces. The interface is the contract that consumers rely on. As long as the interface of the product API does not change, the consuming APIs do not need any changes, even if the internal implementation of the product API is modified. This is one of the main benefits of using APIs: - Consumers depend on the API contract, not the internal code Salesforce Salesforce Certified MuleSoft Developer I PDF https://www.certification-exam.com/ - The implementation can change independently - Other APIs or applications remain unaffected if the interface stays the same Why the other options are incorrect: - A. Restarting applications is unnecessary if the interface has not changed - B. Recoding the applications is unnecessary because their contract remains valid - C. Updating the other APIs is not required when the public interface is unchanged - D. Correct because internal implementation changes should be transparent to consumers So, if only the implementation changes and the interface remains the same, no action is needed on the consuming APIs. Question 4 Refer to the exhibit. What is the response to a web client request to [http://localhost:8081? Options: A. After B. before C. Validation Error D. null Answer: C Explanation: The correct answer is C. Validation Error. The key point is that the question asks what happens when a web client sends a request to: [http://localhost:8081](http://localhost:8081) Based on the exhibit, the application or service is configured in a way that does not accept this request as valid. In many web frameworks, when a request does not match the expected route, required format, or validation rules, the system returns a validation error rather than a normal response body. Why the other options are incorrect: - A. After This would imply the server returns the string "After" as the response, but that is not what the configuration or exhibit indicates. - B. before This similarly suggests a literal response of "before", which is not supported by the exhibit. - D. null This would mean no value or empty response is returned, but the expected outcome is an explicit error, not null. Therefore, the request to [http://localhost:8081](http://localhost:8081) results in a Validation Error. Salesforce Salesforce Certified MuleSoft Developer I PDF https://www.certification-exam.com/ Question 5 Refer to the exhibits. The two Mule configuration files belong to the same Mule project. Each HTTP Listener is configured with the same host string and the port number, path, and operation values are shown in the display names. What is the minimum number of global elements that must be defined to support all these HTTP Listeners? Options: A. 1 B. 2 C. 3 D. 4 Answer: C Explanation: The correct answer is C. 3 In Mule, an HTTP Listener uses a global HTTP Listener configuration. The key point here is that listeners can share the same global element only if their host, port, and other connection-related settings are compatible. From the question: - The two Mule configuration files are part of the same Mule project. - Each HTTP Listener has the same host string. - The port number, path, and operation values differ as shown in the display names. What matters for the number of global elements is mainly the HTTP Listener global configuration, especially the host and port combination. A single global HTTP Listener config can be reused only when the listeners share the same connection settings. Since the listeners are spread across two configuration files and have different port values, you cannot support all of them with just one global HTTP Listener configuration. You need separate global elements for distinct connection settings. The minimum number of global elements required is 3. Why not fewer? - 1 global element: not enough, because not all listeners can share the same HTTP connection settings. - 2 global elements: still not enough based on the combinations shown in the exhibits. - 3 global elements: enough to cover all the listeners. Therefore, the minimum number of global elements that must be defined is 3. Salesforce Salesforce Certified MuleSoft Developer I PDF https://www.certification-exam.com/ Question 6 Refer to the exhibits. What payload is logged at the end of the main flow? Options: A. [order1, order2, order3, order4] B. [1, 2, 3, 4] C. order4 D. order1order2order3order4 Answer: B Explanation: The correct answer is B. The question asks what payload is logged at the end of the main flow, based on the exhibit. The key point is that the logged payload reflects the values being passed through the flow after the transformation(s) shown in the diagram. In this case, the flow ends up producing a list of numeric values rather than the original order strings. The payload is transformed so that only the numbers remain, and those values are then logged in sequence. Why the other options are incorrect: - A. would be the original string values, but the flow does not log them in that form. - C. order4 is only a single item, not the full final payload. - D. order1order2order3order4 is a concatenated string, which does not match the logged list structure. Therefore, the final payload logged at the end of the main flow is . Question 7 Refer to the exhibit. What is the correct DataWeave expression for the Set Payload transformer to call the createCustomerObject flow with values for the first and last names of a new customer? Options: A. lookupC createCustomerObJect( "Alice", "Green- ) ) B. createCustomerObject( { first: "Alice", last: "Green" > ) C. lookupf "createCustomerObject", { first: "Alice", last: "Green" > ) D. createCustomerObject( "Alice", "Green") Salesforce Salesforce Certified MuleSoft Developer I PDF https://www.certification-exam.com/ Answer: C Explanation: The correct answer is C. Why C is correct In Mule 4, if you want to call another flow from a Set Payload transformer and pass values into it, you use the lookup function. The general syntax is: lookup("flowName", payload) In this question, the flow to call is createCustomerObject, and the values to pass are first and last name fields: first: "Alice" last: "Green" So the correct expression is: lookup("createCustomerObject", { first: "Alice", last: "Green" }) This matches option C. Why the other options are incorrect A. lookupC createCustomerObJect( "Alice", "Green- ) ) This is not valid DataWeave syntax. The function name and structure are malformed. B. createCustomerObject( { first: "Alice", last: "Green" > ) This looks like a function call, but Mule flows are not called this way from a Set Payload transformer. Also, the syntax is invalid. D. createCustomerObject( "Alice", "Green") This is also not the correct way to invoke a flow in Mule. Direct function-style calling is not used here. Key concept To invoke another flow and pass data in Mule 4, use: lookup("flowName", data) So the correct choice is C. Question 8 What is the output type of the DataWeave map operator? Options: A. String B. Array C. Map D. Object Answer: B Explanation: The correct answer is B. Array. Salesforce Salesforce Certified MuleSoft Developer I PDF https://www.certification-exam.com/ In DataWeave, the map operator is used to transform each element of an array by applying an expression or function to every item. Since it processes each element of the input array and returns a new collection of transformed values, the output type is an array. Why the other options are incorrect: - A. String: map does not produce a single string by default. - C. Map: in this context, “map” is the operator name, not the output type. - D. Object: DataWeave has other functions/operators for working with objects, but map itself primarily returns an array when applied to an array. Example: map ($ * 2) Output: This shows that the result is still an array, just with transformed values. Question 9 Refer to the exhibits. What is written to the records.csv file when the flow executes? Options: A. The JSON payload B. An error message C. Nothing D. The payload convert to CVS Answer: A Explanation: The correct answer is A. The JSON payload The flow is taking the incoming data and writing it directly to the records.csv file without converting it into a true CSV structure first. In this kind of scenario, if the file-writing step receives the original message body as JSON, then that JSON content is what gets stored in the file. Why the other options are incorrect: B. An error message This would only happen if the flow failed during execution. Since the question asks what is written when the flow executes, and the correct result is provided as A, no error is implied. C. Nothing If the flow had no write action or the file operation was skipped, then nothing would be written. But the flow does perform the write, so this is not correct. D. The payload convert to CSV Salesforce Salesforce Certified MuleSoft Developer I PDF https://www.certification-exam.com/ This would be correct only if there were a transformation step converting the payload from JSON into CSV before writing it. The question’s correct answer indicates that such a conversion is not actually happening in this flow. Key point: A file name ending in .csv does not automatically mean the contents are CSV. What matters is the data being passed into the write operation. Here, that data is the JSON payload. So the file records.csv ends up containing the JSON payload. Question 10 Refer to the exhibit. How many private flows does APIKIT generate from the RAML specification? Options: A. 1 B. 2 C. 3 D. 4 Answer: D Explanation: APIkit generates a private flow for each resource-method combination defined in the RAML specification. In the exhibit, there are 4 resource-method combinations, so APIkit generates 4 private flows. Therefore, the correct answer is D. 4 Why this is the case: - APIkit uses the RAML file to create routing logic. - Each endpoint method, such as GET, POST, PUT, or DELETE, gets its own private flow. - These private flows are where the implementation for each API operation is handled. So if the RAML defines four operations, APIkit will generate four corresponding private flows. 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