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MuleSoft MuleSoft Certified Platform Architect - Level 1 Exam
MuleSoft Certified Platform Architect - Level 1 (Page 5 )

Updated On: 11-Jan-2026
Page 4 of 20
PDF with 95 Questions

Which of the below, when used together, makes the IT Operational Model effective?

  1. Create reusable assets, Do marketing on the created assets across organization, Arrange time to time LOB reviews to ensure assets are being consumed or not
  2. Create reusable assets, Make them discoverable so that LOB teams can self-serve and browse the APIs, Get active feedback and usage metrics
  3. Create resuable assets, make them discoverable so that LOB teams can self-serve and browse the APIs

Answer(s): C

Explanation:

Correct Answer: Create reusable assets, Make them discoverable so that LOB teams can self-serve and browse the APIs, Get active feedback and usage metrics.
*****************************************



A REST API is being designed to implement a Mule application.
What standard interface definition language can be used to define REST APIs?

  1. Web Service Definition Language(WSDL)
  2. OpenAPI Specification (OAS)
  3. YAML
  4. AsyncAPI Specification

Answer(s): B



What Mule application can have API policies applied by
Anypoint Platform to the endpoint exposed by that Mule application?

A) A Mule application that accepts requests over HTTP/1.x

B) A Mule application that accepts JSON requests over TCP but is NOT required to provide a response

C) A Mute application that accepts JSON requests over WebSocket

D) A Mule application that accepts gRPC requests over HTTP/2

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A

Explanation:

Correct Answer: Option A
*****************************************
>> Anypoint API Manager and API policies are applicable to all types of HTTP/1.x APIs.
>> They are not applicable to WebSocket APIs, HTTP/2 APIs and gRPC APIs


Reference:

https://docs.mulesoft.com/api-manager/2.x/using-policies



An API implementation is updated. When must the RAML definition of the API also be updated?

  1. When the API implementation changes the structure of the request or response messages
  2. When the API implementation changes from interacting with a legacy backend system deployed on-premises to a modern, cloud-based (SaaS) system
  3. When the API implementation is migrated from an older to a newer version of the Mule runtime
  4. When the API implementation is optimized to improve its average response time

Answer(s): A

Explanation:

Correct Answer: When the API implementation changes the structure of the request or response messages
*****************************************
>> RAML definition usually needs to be touched only when there are changes in the request/response schemas or in any traits on API.
>> It need not be modified for any internal changes in API implementation like performance tuning,
backend system migrations etc..



What is most likely NOT a characteristic of an integration test for a REST API implementation?

  1. The test needs all source and/or target systems configured and accessible
  2. The test runs immediately after the Mule application has been compiled and packaged
  3. The test is triggered by an external HTTP request
  4. The test prepares a known request payload and validates the response payload

Answer(s): B

Explanation:

Correct Answer: The test runs immediately after the Mule application has been compiled and packaged
*****************************************
>> Integration tests are the last layer of tests we need to add to be fully covered.
>> These tests actually run against Mule running with your full configuration in place and are tested from external source as they work in PROD.
>> These tests exercise the application as a whole with actual transports enabled. So, external systems are affected when these tests run.
So, these tests do NOT run immediately after the Mule application has been compiled and packaged. FYI... Unit Tests are the one that run immediately after the Mule application has been compiled and packaged.


Reference:

https://docs.mulesoft.com/mule-runtime/3.9/testing-strategies#integration-testing



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