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Salesforce Certified MuleSoft Developer II Free Sample Questions

Description

Covers API versioning, policies and auto-discovery, Maven builds and MUnit testing, health checks and message correlation, ObjectStore persistence and fault-tolerant messaging, and TLS.

4 free sample questions34 in the full practice test Other version: Mule-Dev-301(180)

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certified-mulesoft-developer-ii Sample Questions

  1. Question 1

    Intermediate

    Designing and implementing Mule applications ยท Selecting appropriate caching strategies to improve performance

    A Mule API is designed to retrieve product catalog information. The backend system that holds this data is slow, and the data only changes once every 24 hours during a nightly batch update. The API is deployed to three CloudHub workers and receives a high volume of requests for the same product data repeatedly. The primary goals are to dramatically improve API response time and reduce the load on the legacy backend. Which caching strategy should be implemented to meet these requirements effectively?

    graph TD subgraph CloudHub VPC LB[Load Balancer] --> W1[Worker 1] LB --> W2[Worker 2] LB --> W3[Worker 3] end subgraph Backend LegacyDB[(Legacy DB)] end W1 -->|Cache Miss| LegacyDB W2 -->|Cache Miss| LegacyDB W3 -->|Cache Miss| LegacyDB W1 SharedCache[(Shared Cache)] W2 SharedCache W3 SharedCache Client((Client)) --> LB

    Answer and explanation

    Correct answer: B

    Object Store v2 provides a distributed, shared cache that is accessible by all workers in a CloudHub deployment. By configuring the Cache scope to use a persistent Object Store, a product's data will be fetched from the backend only once. Subsequent requests for that same product, regardless of which worker receives the request, will be served from the shared cache, meeting all requirements for performance improvement and load reduction.

  2. Question 2

    Intermediate

    A system API that communicates to an underlying MySQL database is deployed to CloudHub. The DevOps team requires a readiness endpoint to monitor all system APIs.Which strategy should be used to implement this endpoint? A.Create a dedicated endpoint that responds with the API status onlyB.Create a dedicated endpoint that responds with the API status and health of the serverC.Create a dedicated endpoint that responds with the API status and reachability of the underlying systemsD.Use an existing resource endpoint of the API

    Answer and explanation

    Correct answer: C

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