Mulesoft MCPA-Level-1 Exam Questions

151 Questions


Updation Date : 29-Jan-2026



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Which of the following sequence is correct?


A.

API Client implementes logic to call an API >> API Consumer requests access to API >>
API Implementation routes the request to >> API


B.

API Consumer requests access to API >> API Client implementes logic to call an API >>
API routes the request to >> API Implementation


C.

API Consumer implementes logic to call an API >> API Client requests access to API >>
API Implementation routes the request to >> API


D.

API Client implementes logic to call an API >> API Consumer requests access to API >>
API routes the request to >> API Implementation





B.
  

API Consumer requests access to API >> API Client implementes logic to call an API >>
API routes the request to >> API Implementation



Explanation: Explanation
Correct Answer: API Consumer requests access to API >> API Client implementes logic to
call an API >> API routes the request to >> API Implementation
*****************************************
>> API consumer does not implement any logic to invoke APIs. It is just a role. So, the
option stating "API Consumer implementes logic to call an API" is INVALID.
>> API Implementation does not route any requests. It is a final piece of logic where
functionality of target systems is exposed. So, the requests should be routed to the API
implementation by some other entity. So, the options stating "API Implementation routes
the request to >> API" is INVALID
>> The statements in one of the options are correct but sequence is wrong. The sequence
is given as "API Client implementes logic to call an API >> API Consumer requests access
to API >> API routes the request to >> API Implementation". Here, the statements in the
options are VALID but sequence is WRONG.
>> Right option and sequence is the one where API consumer first requests access to API
on Anypoint Exchange and obtains client credentials. API client then writes logic to call an
API by using the access client credentials requested by API consumer and the requests will
be routed to API implementation via the API which is managed by API Manager

A Rate Limiting policy is applied to an API implementation to protect the back-end system. Recently, there have been surges in demand that cause some API client POST requests to the API implementation to be rejected with policy-related errors, causing delays and complications to the API clients. How should the API policies that are applied to the API implementation be changed to reduce the frequency of errors returned to API clients, while still protecting the back-end system?


A. Keep the Rate Limiting policy and add 9 Client ID Enforcement policy


B. Remove the Rate Limiting policy and add an HTTP Caching policy


C. Remove the Rate Limiting policy and add a Spike Control policy


D. Keep the Rate Limiting policy and add an SLA-based Spike Control policy





D.
  Keep the Rate Limiting policy and add an SLA-based Spike Control policy

Explanation:
When managing high traffic to an API, especially with POST requests, it is crucial to ensure the API’s policies both protect the back-end systems and provide a smooth client experience. Here’s the approach to reducing errors:
Rate Limiting Policy: This policy enforces a limit on the number of requests within a defined time period. However, rate limiting alone may cause clients to hit limits during demand surges, leading to errors.

  • Adding an SLA-based Spike Control Policy:
  • Why Option D is Correct:
  • Explanation of Incorrect Options:

What is true about where an API policy is defined in Anypoint Platform and how it is then applied to API instances?


A.

The API policy Is defined In Runtime Manager as part of the API deployment to a Mule
runtime, and then ONLY applied to the specific API Instance


B.

The API policy Is defined In API Manager for a specific API Instance, and then ONLY
applied to the specific API instance


C.

The API policy Is defined in API Manager and then automatically applied to ALL API instances


D.

The API policy is defined in API Manager, and then applied to ALL API instances in the
specified environment





B.
  

The API policy Is defined In API Manager for a specific API Instance, and then ONLY
applied to the specific API instance



Explanation: Explanation
Correct Answer: The API policy is defined in API Manager for a specific API instance, and
then ONLY applied to the specific API instance.
*****************************************
>> Once our API specifications are ready and published to Exchange, we need to visit API
Manager and register an API instance for each API.
>> API Manager is the place where management of API aspects takes place like
addressing NFRs by enforcing policies on them.
>> We can create multiple instances for a same API and manage them differently for
different purposes.
>> One instance can have a set of API policies applied and another instance of same API
can have different set of policies applied for some other purpose.
>> These APIs and their instances are defined PER environment basis. So, one need to
manage them seperately in each environment.
>> We can ensure that same configuration of API instances (SLAs, Policies etc..) gets
promoted when promoting to higher environments using platform feature. But this is
optional only. Still one can change them per environment basis if they have to.
>> Runtime Manager is the place to manage API Implementations and their Mule Runtimes
but NOT APIs itself. Though API policies gets executed in Mule Runtimes, We CANNOT
enforce API policies in Runtime Manager. We would need to do that via API Manager only
for a cherry picked instance in an environment.
So, based on these facts, right statement in the given choices is - "The API policy is
defined in API Manager for a specific API instance, and then ONLY applied to the specific
API instance".
Reference: https://docs.mulesoft.com/api-manager/2.x/latest-overview-concept

A Mule 4 API has been deployed to CloudHub and a Basic Authentication - Simple policy has been applied to all API methods and resources. However, the API is still accessible by clients without using authentication. How is this possible?


A. The APE Router component is pointing to the incorrect Exchange version of the APT


B. The Autodiscovery element is not present, in the deployed Mule application


C. No… for client applications have been created of this API


D. One of the application’s CloudHub workers restarted





B.
  The Autodiscovery element is not present, in the deployed Mule application

Explanation:
When a Basic Authentication policy is applied to an API on CloudHub but clients can still access the API without authentication, the likely cause is a missing Autodiscovery element. Here’s how this affects API security:

  • Autodiscovery in MuleSoft:
  • Why Option B is Correct:
  • Explanation of Incorrect Options:
References:
Refer to MuleSoft documentation on Autodiscovery configuration and linking API Manager policies for additional information on setting up secure API policies.

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


A.

When the API implementation changes the structure of the request or response messages


B.

When the API implementation changes from interacting with a legacy backend system deployed on-premises to a modern, cloud-based (SaaS) system


C.

When the API implementation is migrated from an older to a newer version of the Mule runtime


D.

When the API implementation is optimized to improve its average response time





A.
  

When the API implementation changes the structure of the request or response messages



Explanation: 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

Which component monitors APIs and endpoints at scheduled intervals, receives reports about whether tests pass or fail, and displays statistics about API and endpoint performance?


A. API Analytics


B. Anypoint Monitoring dashboards


C. APT Functional Monitoring


D. Anypoint Runtime Manager alerts





C.
  APT Functional Monitoring

Explanation:

  • Understanding API Functional Monitoring:
  • Component Features:
  • Evaluating the Options:
Conclusion:
Refer to MuleSoft documentation on API Functional Monitoring for further guidance on setting up and configuring these tests in Anypoint Platform.

What are 4 important Platform Capabilities offered by Anypoint Platform?


A.

API Versioning, API Runtime Execution and Hosting, API Invocation, API Consumer Engagement


B.

API Design and Development, API Runtime Execution and Hosting, API Versioning, API
Deprecation


C.

API Design and Development, API Runtime Execution and Hosting, API Operations and
Management, API Consumer Engagement


D.

API Design and Development, API Deprecation, API Versioning, API Consumer
Engagement





C.
  

API Design and Development, API Runtime Execution and Hosting, API Operations and
Management, API Consumer Engagement



Explanation: Explanation
Correct Answer: API Design and Development, API Runtime Execution and Hosting, API
Operations and Management, API Consumer Engagement
*****************************************
>> API Design and Development - Anypoint Studio, Anypoint Design Center, Anypoint
Connectors
>> API Runtime Execution and Hosting - Mule Runtimes, CloudHub, Runtime Services
>> API Operations and Management - Anypoint API Manager, Anypoint Exchange
>> API Consumer Management - API Contracts, Public Portals, Anypoint Exchange, API
Notebooks

An IT Security Compliance Auditor is assessing which nonfunctional requirements (NFRs) are already being implemented to meet security measures.

  • The Web API has Rate-Limiting SLA
  • Basic Authentication - LDAP
  • JSON Threat Protection
  • TP Allowlist policies applied
Which two NFRs-are enforced?


A. The API invocations are coming from a known subnet range


B. Username/password supported to validate login credentials


C. Sensitive data is masked to prevent compromising critical information


D. The API is protected against XML invocation attacks


E. Performance expectations are to be allowed up to 1,000 requests per second





A.
  The API invocations are coming from a known subnet range

B.
  Username/password supported to validate login credentials


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