Mulesoft MCIA-Level 1 MuleSoft Certified Integration Architect – Level 1 Online Training
Mulesoft MCIA-Level 1 Online Training
The questions for MCIA-Level 1 were last updated at Jan 28,2025.
- Exam Code: MCIA-Level 1
- Exam Name: MuleSoft Certified Integration Architect - Level 1
- Certification Provider: Mulesoft
- Latest update: Jan 28,2025
What API policy would LEAST likely be applied to a Process API?
- A . Custom circuit breaker
- B . Client ID enforcement
- C . Rate limiting
- D . JSON threat protection
D
Explanation:
Key to this question lies in the fact that Process API are not meant to be accessed directly by clients. Lets analyze options one by one. Client ID enforcement: This is applied at process API level generally to ensure that identity of API clients is always known and available for API-based analytics Rate Limiting: This policy is applied on Process Level API to secure API’s against degradation of service that can happen in case load received is more than it can handle Custom circuit breaker: This is also quite useful feature on process level API’s as it saves the API client the wasted time and effort of invoking a failing API. JSON threat protection: This policy is not required at Process API and rather implemented as Experience API’s. This policy is used to safeguard application from malicious attacks by injecting malicious code in JSON object. As ideally Process API’s are never called from external world, this policy is never used on Process API’s Hence correct answer is JSON threat protection MuleSoft Documentation
Reference: https://docs.mulesoft.com/api-manager/2.x/policy-mule3-json-threat
An IT integration tram followed an API-led connectivity approach to implement an order-fulfillment business process. It created an order processing AP that coordinates stateful interactions with a variety of microservices that validate, create, and fulfill new product orders
Which interaction composition pattern did the integration architect who designed this order processing AP| use?
- A . Orchestration
- B . Streaming
- C . Aggregation
- D . Multicasting
According to MuteSoft, which principle is common to both Service Oriented Architecture (SOA) and API-led connectivity approaches?
- A . Service centralization
- B . Service statefulness
- C . Service reusability
- D . Service interdependence
What is an advantage that Anypoint Platform offers by providing universal API management and Integration-Platform-as-a-Service (iPaaS) capabilities in a unified platform?
- A . Ability to use a single iPaaS to manage and integrate all API gateways
- B . Ability to use a single connector to manage and integrate all APis
- C . Ability to use a single control plane for both full-lifecycle AP] management and integration
- D . Ability to use a single iPaaS to manage all API developer portals
C
Explanation:
Anypoint Platform offers universal API management and Integration-Platform-as-a-Service (iPaaS) capabilities in a unified platform, meaning that it provides a single control plane to manage both full-lifecycle API management and integration. This allows organizations to easily manage their APIs and integrations, as well as deploy APIs and integrations quickly and efficiently. According to the MuleSoft Certified Integration Architect – Level 1 Course Book, “Anypoint Platform provides a unified platform for managing, deploying, and monitoring both API and integration solutions, allowing organizations to quickly and easily build and manage their APIs and integrations.”
What Is a recommended practice when designing an integration Mule 4 application that reads a large XML payload as a stream?
- A . The payload should be dealt with as a repeatable XML stream, which must only be traversed (iterated-over) once and CANNOT be accessed randomly from DataWeave expressions and scripts
- B . The payload should be dealt with as an XML stream, without converting it to a single Java object (POJO)
- C . The payload size should NOT exceed the maximum available heap memory of the Mute runtime on which the Mule application executes
- D . The payload must be cached using a Cache scope If It Is to be sent to multiple backend systems
C
Explanation:
If the size of the stream exceeds the maximum, a STREAM_MAXIMUM_SIZE_EXCEEDED error is raised.
An organization has various integrations implemented as Mule applications. Some of these Mule applications are deployed to custom hosted Mule runtimes (on-premises) while others execute in the MuleSoft-hosted runtime plane (CloudHub). To perform the Integra functionality, these Mule applications connect to various backend systems, with multiple applications typically needing to access the backend systems.
How can the organization most effectively avoid creating duplicates in each Mule application of the credentials required to access the backend systems?
- A . Create a Mule domain project that maintains the credentials as Mule domain-shared resources Deploy the Mule applications to the Mule domain, so the credentials are available to the Mule applications
- B . Store the credentials in properties files in a shared folder within the organization’s data center Have the Mule applications load properties files from this shared location at startup
- C . Segregate the credentials for each backend system into environment-specific properties files Package these properties files in each Mule application, from where they are loaded at startup
- D . Configure or create a credentials service that returns the credentials for each backend system, and that is accessible from customer-hosted and MuleSoft-hosted Mule runtimes Have the Mule applications toad the properties at startup by invoking that credentials service
D
Explanation:
* "Create a Mule domain project that maintains the credentials as Mule domain-shared resources" is wrong as domain project is not supported in Cloudhub
* We should Avoid Creating duplicates in each Mule application but below two options cause duplication of credentials – Store the credentials in properties files in a shared folder within the organization’s data center. Have the Mule applications load properties files from this shared location at startup – Segregate the credentials for each backend system into environment-specific properties files. Package these properties files in each Mule application, from where they are loaded at startup So these are also wrong choices
* Credentials service is the best approach in this scenario. Mule domain projects are not supported on CloudHub.
Also its is not recommended to have multiple copies of configuration values as this makes difficult to maintain Use the Mule Credentials Vault to encrypt data in a. properties file. (In the context of this document, we refer to the. properties file simply as the properties file.)
The properties file in Mule stores data as key-value pairs which may contain information such as usernames, first and last names, and credit card numbers. A Mule application may access this data as it processes messages, for example, to acquire login credentials for an external Web service. However, though this sensitive, private data must be stored in a properties file for Mule to access, it must also be protected against unauthorized C and potentially malicious C use by anyone with access to the Mule application
Which Mulesoft feature helps users to delegate their access without sharing sensitive credentials or giving full control of accounts to 3rd parties?
- A . Secure Scheme
- B . client id enforcement policy
- C . Connected apps
- D . Certificates
C
Explanation:
Connected Apps
The Connected Apps feature provides a framework that enables an external application to integrate with Anypoint Platform using APIs through OAuth 2.0 and OpenID Connect. Connected apps help users delegate their access without sharing sensitive credentials or giving full control of their accounts to third parties. Actions taken by connected apps are audited, and users can also revoke access at any time. Note that some products do not currently include client IDs in this release of the Connected Apps feature. The Connected Apps feature enables you to use secure authentication protocols and control an app’s access to user data. Additionally, end users can authorize the app to access their Anypoint Platform data.
Mule Ref Doc: https://docs.mulesoft.com/access-management/connected-apps-overview
A Mule application is synchronizing customer data between two different database systems.
What is the main benefit of using eXtended Architecture (XA) transactions over local transactions to synchronize these two different database systems?
- A . An XA transaction synchronizes the database systems with the least amount of Mule configuration or coding
- B . An XA transaction handles the largest number of requests in the shortest time
- C . An XA transaction automatically rolls back operations against both database systems if any operation falls
- D . An XA transaction writes to both database systems as fast as possible
B
Explanation:
Reference: https://docs.oracle.com/middleware/1213/wls/PERFM/llrtune.htm#PERFM997
A company wants its users to log in to Anypoint Platform using the company’s own internal user credentials. To achieve this, the company needs to integrate an external identity provider (IdP) with the company’s Anypoint Platform master organization, but SAML 2.0 CANNOT be used.
Besides SAML 2.0, what single-sign-on standard can the company use to integrate the IdP with their Anypoint Platform master organization?
- A . SAML 1.0
- B . OAuth 2.0
- C . Basic Authentication
- D . OpenID Connect
D
Explanation:
As the Anypoint Platform organization administrator, you can configure identity management in Anypoint Platform to set up users for single sign-on (SSO).
Configure identity management using one of the following single sign-on standards:
1) OpenID Connect: End user identity verification by an authorization server including SSO
2) SAML 2.0: Web-based authorization including cross-domain SSO
A REST API is being designed to implement a Mule application.
What standard interface definition language can be used to define REST APIs?
- A . Web Service Definition Language (WSDL)
- B . OpenAPI Specification (OAS)
- C . YAML
- D . AsyncAPI Specification
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