Exam Code: MCD-Level-2
Exam Name: MuleSoft Certified Developer - Level 2 (Mule 4)
Certification Provider: MuleSoft
Corresponding Certification: MuleSoft Certified Developer
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MuleSoft MCD-Level-2 Exam Syllabus Topics:

SectionWeightObjectives
Security, Performance & DevOps25%- Authentication, authorization and TLS
- Performance tuning and resource management
- CI/CD pipelines and DevOps practices
- DataWeave optimization and transformation efficiency
Exposing Production-Ready APIs25%- API autodiscovery and proxy configuration
- API versioning and lifecycle management
- Applying and managing API policies
- Deployment to CloudHub and customer-hosted runtimes
Monitoring, Logging & Error Handling25%- Using Anypoint Monitoring and dashboards
- Error handling strategies and exception management
- Implementing health checks and custom logging
- Secure property storage and data masking
Building Maintainable & Modular Applications25%- Modularization and reusability patterns
- Unit testing with MUnit
- Application packaging and configuration
- Maven project structure and dependency management

MuleSoft Certified Developer - Level 2 (Mule 4) Sample Questions:

1. A company has been using CI/CD. Its developers use Maven to handle build and deployment activities.
What is the correct sequence of activities that takes place during the Maven build and deployment?

A) Validation, initialize, compile, test, package, install verify, deploy
B) Validate, initialize, compile, test package, verify, install, deploy
C) Validate, initialize, compile, package, test, install, verify, verify, deploy
D) Initialize, validate, compute, test, package, verify, install, deploy


2. Which pattern should be used to invoke multiple HTTP APIs in parallel and roll back failed requests in sequence?

A) A Parallel for Each scope with each HTTP request wrapped in a Try scope
B) A database as a transactional outbox and an Until Successful router to retry any requests
C) Scatter-Gather as central Saga orchestrator for all API request with compensating actions for failing routes
D) VM queues as a reliability pattern with error handlers to roll back any requests


3. A healthcare portal needs to validate the token that it sends to a Mule API. The developer plans to implement a custom policy using the HTTP Policy Transform Extension to match the token received in the header from the heathcare portal.
Which files does the developer need to create in order to package the custom policy?

A) JSON properties file, YAML configuration file
B) Deployable ZIP file, YAML configuration file
C) JSON properties file, XML template file
D) XML template file, YAML configuration file


4. 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) 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.
C) 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.
D) Configure retrying until a MULERETRY_EXHAUSTED error is raised or the API responds back with a successful response.


5. 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 always succeed regardless of the CA
B) The HTTP Request operation will succeed if the CA'S certificate is present in the JRE's default keystore
C) The HTTP Request operation will succeed if the CA's certificate is present in the JRE's default truststore.
D) The HTTP Request operation will always fail regardless of the CA


Solutions:

Question # 1
Answer: B
Question # 2
Answer: C
Question # 3
Answer: D
Question # 4
Answer: C
Question # 5
Answer: C

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