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  • MCD-Level-2: MuleSoft Certified Developer - Level 2 (Mule 4)

MuleSoft MCD-Level-2 Exam

Certification Provider: MuleSoft
Exam Name: MuleSoft Certified Developer - Level 2 (Mule 4)
Number of questions in our database: 60
Exam Version: May. 06, 2024
MCD-Level-2 Exam Official Topics:
  • Topic 1: Expose production-ready Anypoint Platform-managed APIs from Mule applications: It discusses specific API-related artifacts, out-of-the-box (OOTB) API policies, HTTP callbacks (webhooks), and performing API auto-discovery. Moreover, the topic focuses on using API policies to implement server-side caching of API invocations.
  • Topic 2: Implement maintainable and modular Mule applications and their Maven builds: This topic measures your knowledge related to implementing Maven-based automated deployment to Mule runtimes, implementing unit tests with the MUnit framework and tooling, and using the Mule SDK or XML SDK to implement custom message. It also covers sub-topics of executing MUnit tests with Maven and building custom API policies.
  • Topic 3: Implement monitorable Mule applications: It focuses on healthcheck endpoints, effective logging, log levels, Mule applications, and Mule runtimes. Additionally, the topic discusses how to implement message correlation, including persistence and propagation of correlation IDs over HTTP.
  • Topic 4: Implement performant and reliable Mule applications: It discusses implementation of ObjectStore persistence for all Mule deployment options, fault-tolerant, fault-tolerant invocations of HTTP-based APIs, compensating transactions, and client-side caching. The topic also tests knowledge related to using scatter-gather, validating messages and assertions.
  • Topic 5: Secure data at rest and in transit: The topic measures knowledge of implementing secure, environment-dependent properties management, TLS mutual authentication, and API invocations. Questions about keys and certificates also appear in this topic.
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Free MuleSoft MCD-Level-2 Exam Actual Questions

The questions for MCD-Level-2 were last updated On May. 06, 2024

Question #1

The Center for Enablement team published a common application as a reusable module to the central Nexus repository.

How can the common application be included in all API implementations?

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Correct Answer: D

To include a common application as a reusable module in all API implementations, the developer should add a Maven dependency in the POM file with jar as <classifier>. This way, the developer can reuse Mule code from another application by packaging it as a JAR file and adding it as a dependency in the POM file of the API implementation. The classifier element specifies that it is a JAR file. Reference: https://docs.mulesoft.com/mule-runtime/4.3/mmp-concept#add-a-maven-dependency-to-the-pom-file


Question #2

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?

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Correct Answer: C

To allow more than one major version of the same API to be exposed by the implementation, the developer should modify the baseUri property in the RAML file to include a variable that indicates the version number. The baseUri property defines the base URL of the API and can include variables that are replaced with actual values when mocking or deploying the API. By using a variable for the version number, the developer can expose different versions of the API using different base URLs and avoid conflicts or confusion. Reference: https://docs.mulesoft.com/api-designer/design-modify-raml-specs#baseuri https://docs.mulesoft.com/api-manager/2.x/api-versioning


Question #3

Which command is used to convert a JKS keystore to PKCS12?

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Correct Answer: B

To convert a JKS keystore to PKCS12, the developer needs to use the keytool-importkeystore command with the following options: -srckeystore keystore.jks -srcstoretype JKS -destkeystore keystore.p12 -deststoretype PKCS12. This command imports all entries from a source JKS keystore (keystore.jks) into a destination PKCS12 keystore (keystore.p12). Reference: https://docs.oracle.com/en/java/javase/11/tools/keytool.html#GUID-5990A2E4-78E3-47B7-AE75-6D1826259549


Question #5

A Mule application for processing orders must log the order ID for every log message output.

What is a best practice to enrich every log message with the order ID?

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Correct Answer: D

To enrich every log message with the order ID, the developer should use the Tracing module to set logging variables with a Mapped Diagnostic Context (MDC). The Tracing module allows adding custom key-value pairs to log messages using MDC variables. The developer can use Set Logging Variables operation to set the order ID as an MDC variable and then use it in any logger processor within the same thread or event. Reference: https://docs.mulesoft.com/tracing-module/1.0/tracing-module-reference#set-logging-variables


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