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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement Performant and Reliable Mule Applications | 27% | - Optimize reliability and performance
|
| Topic 2: Secure Data at Rest and in Transit | 20% | - Implement security best practices
|
| Topic 3: Implement Monitorable Mule Applications | 15% | - Implement monitoring and logging
|
| Topic 4: Implement Maintainable and Modular Mule Applications and Their Maven Builds | 25% | - Implement modular Mule application structures
|
| Topic 5: Expose Production-Ready Anypoint Platform Managed APIs | 13% | - Manage APIs with Anypoint Platform
|
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NEW QUESTION # 15
A developer has created the first version of an API designed for business partners to work with commodity prices.
What should the developer do to allow more than one major version of the same API to be exposed by the implementation?
Answer: A
Explanation:
Major API versions should be distinguishable at the API's external URI rather than being encoded independently into every resource operation or into internal Mule flow names. MuleSoft recommends including the consumer-facing API version in the application URL, for example /v1/..., so clients can explicitly select the major API contract they intend to consume.
RAML supports this cleanly through the baseUri. A version variable can be included in the base URI, for example baseUri: https://api.example.com/v{version}, with the corresponding version or base URI parameter defined in the specification. This keeps the versioning concern at the API contract and endpoint-addressing level.
Changing every operation would unnecessarily duplicate version information. Modifying generated APIkit flow names affects Mule implementation internals but does not provide distinct public API addresses.
Similarly, manually changing generated HTTP listeners after scaffolding makes the implementation diverge from the API specification and weakens API-led lifecycle management.
MuleSoft's versioning guidance explicitly recommends exposing the major version in the API URL and using simple major identifiers such as v1, v2, and so forth.
Reference topics: API Versioning; RAML baseUri; Base URI Parameters; Major API Versions.
Official documentation: https://docs.mulesoft.com/exchange/to-change-raml-version
NEW QUESTION # 16
A Mule application exposes an API for creating payments. An Operations team wants to ensure that the Payments API is up and running at all times in production.
Which approach should be used to test that the Payments API is working in production?
Answer: B
Explanation:
A production health endpoint should verify the same network path and HTTP infrastructure that clients depend on. Reusing the API's existing HTTP Listener configuration and port ensures that the health check validates whether the application's actual inbound listener is operational. Mule HTTP Listener configurations define the host, port, protocol, TLS configuration, and potentially a common base path; multiple listener sources can use the same configuration while exposing different paths.
A separate listener and port could report healthy even when the primary API listener is unavailable or incorrectly configured, producing a misleading health signal. Sending health information outward to another system is telemetry rather than an endpoint-level availability test. Likewise, exercising a payment API with genuine customer payment data is inappropriate because monitoring should be non-destructive and should not create business transactions.
Therefore, a lightweight endpoint such as /health using the same listener configuration provides a representative indication that the application can receive traffic through its normal production interface without invoking payment-processing behavior.
Reference topics: Mule HTTP Listener configuration; production health checks; API availability monitoring; non-invasive operational endpoints.
Official documentation: https://docs.mulesoft.com/http-connector/latest/http-listener-ref
NEW QUESTION # 17
The flow is invoicing a target API. The API's protocol is HTTPS. The TLS configuration in the HTTP Request Configuration global element is set to None. A web client submits a request to http:localhost:8081/vehicles.
If the certificate of the target API is signed by a certificate authority (CA), what is true about the HTTP Request operation when the flow executes?
Answer: C
Explanation:
The HTTP Request operation will use the default truststore of the JRE to validate the certificate of the target API. If the CA's certificate is present in the truststore, the operation will succeed. Otherwise, it will fail with a handshake exception. Reference: https://docs.mulesoft.com/mule-runtime/4.3/tls-configuration#tls-default
NEW QUESTION # 18
A Mule API receives a JSON payload and updates the target system with the payload. The developer uses JSON schemas to ensure the data is valid.
How can the data be validated before posting to the target system?
Answer: C
Explanation:
MuleSoft provides the JSON Module specifically for operations such as JSON validation. The application should include the JSON Module as a Mule dependency and place its Validate schema operation before the connector or operation that posts the data to the target system.
The Validate schema operation receives the JSON document and evaluates it against the configured JSON Schema. When validation succeeds, processing continues to the next processor. If the payload does not conform, Mule raises JSON:SCHEMA_NOT_HONOURED, allowing the flow's error-handling strategy to reject or transform the invalid request before the target system is modified.
MuleSoft also documents that modules/connectors added manually to an application are declared in pom.xml as dependencies with the mule-plugin classifier; the JSON Module follows this standard pattern.
DataWeave conditional validation would unnecessarily reimplement schema semantics and would not automatically interpret a JSON Schema. API Manager does not provide the application-level JSON Module operation described by this requirement, and import json-module is not a valid mechanism for invoking the Mule JSON Module from DataWeave.
Reference topics: JSON Module; Validate Schema; JSON Schema; JSON:SCHEMA_NOT_HONOURED; Maven module dependency.
Official documentation: https://docs.mulesoft.com/json-module/latest/json-schema-validation Official documentation: https://docs.mulesoft.com/json-module/latest/json-xml-maven
NEW QUESTION # 19
Refer to the exhibit.
A developer generates the base scaffolding for an API in Anypoint Studio.
Which HTTP status code is returned while testing using the API Kit console if no values are entered in client-secret?
Answer: B
Explanation:
Based on the code snippet and schema.json file below, when testing using the API Kit console if no values are entered in client-secret, HTTP status code 403 (FORBIDDEN) is returned. This is because client-secret is defined as a required header parameter in schema.json file, which means that it must be present in every request. If no values are entered in client-secret, then it is equivalent to omitting this header parameter, which violates the schema and causes APIKit Router to return HTTP status code 403. Reference: https://docs.mulesoft.com/apikit/4.x/apikit-4-headers
NEW QUESTION # 20
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