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MuleSoft MCD-Level-2 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Building Maintainable & Modular Applications | 25% | - Maven project structure and dependency management - Unit testing with MUnit - Modularization and reusability patterns - Application packaging and configuration |
| Monitoring, Logging & Error Handling | 25% | - Secure property storage and data masking - Error handling strategies and exception management - Implementing health checks and custom logging - Using Anypoint Monitoring and dashboards |
| Exposing Production-Ready APIs | 25% | - API autodiscovery and proxy configuration - Deployment to CloudHub and customer-hosted runtimes - API versioning and lifecycle management - Applying and managing API policies |
| Security, Performance & DevOps | 25% | - CI/CD pipelines and DevOps practices - Performance tuning and resource management - DataWeave optimization and transformation efficiency - Authentication, authorization and TLS |
MuleSoft Certified Developer - Level 2 (Mule 4) Sample Questions:
1. Which configurations are required for HTTP Listener to enable mTLS authentication?
A) Set an appropriate reconnection strategy and use persistent connections for the listener
B) Set an appropriate keystore configuration and use persistent connections for the listener
C) Set an appropriate keystore and truststore configuration for the listener
D) Set an appropriate truststore configuration and reconnection strategy for the listener
2. A Mule implementation uses a HTTP Request within an Unit Successful scope to connect to an API.
How should a permanent error response like HTTP:UNAUTHORIZED be handle inside Until Successful to reduce latency?
A) In Until Successful configuration, set the retry count to 1 for error type HTTP: UNAUTHORIZED.
B) Configure retrying until a MULERETRY_EXHAUSTED error is raised or the API responds back with a successful response.
C) Put the HTTP Request inside a try scope in Unit Successful.
In the error handler, use On Error Propagate to catch permanent errors like HTTP UNAUTHORIZED.
D) Put the HTTP Request inside a try scope in Unit Successful.
In the error handler, use On Error Continue to catch permanent errors like HTTP UNAUTHORIZED.
3. 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?
A) The HTTP Request operation will succeed if the CA's certificate is present in the JRE's default truststore.
B) The HTTP Request operation will always succeed regardless of the CA
C) The HTTP Request operation will always fail regardless of the CA
D) The HTTP Request operation will succeed if the CA'S certificate is present in the JRE's default keystore
4. A developer has created the first version of an API designed for business partners to work commodity prices.
What should developer do to allow more than one major version of the same API to be exposed by the implementation?
A) In Design Center, open the RAML and modify baseUn to include a variable that indicates the version number
B) In Anypoint Studio, generate scaffolding from the RAML, and then modify the flow names generated by APIKit to include a variable with the major version number
C) In Anypoint Studio, generate scaffolding from the RAML, and the modify the <http:listerner> in the generated flows to include a parameter to replace the version number
D) In Design Center, open the RAML and modify each operation to include the major version number
5. A Mule application includes a subflow containing a Scatter.Gather scope. Within each log of the Scatter.Gatter. an HTTP connector calls a PUT endpoint to modify records in different upstream system. The subflow is called inside an Unit successful scope to retry if a transitory exception is raised.
A technical spike is being performed to increase reliability of the Mule application.
Which steps should be performed within the Mule flow above the ensure idempontent behavior?
A) Change the PUT requests inside the Scatter-Gather to POST requests
B) Ensure an error-handling flow performs corrective actions to roll back all changes if any leg of the Scatter-Gather fails
C) Remove the Put requests from the Scatter-Getter and perform them sequentially
D) None, the flow already exhibits idempotent behavior
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: B |

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