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MuleSoft MCIA-Level-1-Maintenance Exam Syllabus Topics:

Topic	Details
Topic 1	Describe the fundamental features of the Salesforce connector Correctly apply methods for validating data in Mule applications
Topic 2	Designing integration solutions to meet performance requirements Design Mule applications using available streaming features in Mule
Topic 3	Designing architecture using integration paradigms Create high-level integration architectures using web APIs and HTTP
Topic 4	Design Mule applications using core routers available to all Mule applications Design Mule applications using common features of core connectors
Topic 5	Design secure access to the Anypoint Platform control plane and APIs Recognize the audit logging capabilities of Anypoint Platform
Topic 6	Designing integration solutions to meet reliability requirements Design Mule applications and integration solutions to meet performance and capacity goals
Topic 7	Create high-level integration architectures using event-driven APIs and message brokers Create high-level integration architectures using API-led Connectivity
Topic 8	Select deployment options of the Anypoint Platform control plane and runtime plane Initiating integration solutions on Anypoint Platform

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MuleSoft Certified Integration Architect - Level 1 MAINTENANCE Sample Questions (Q88-Q93):

NEW QUESTION # 88
An auto mobile company want to share inventory updates with dealers Dl and D2 asynchronously and concurrently via queues Q1 and Q2. Dealer Dl must consume the message from the queue Q1 and dealer D2 to must consume a message from the queue Q2.
Dealer D1 has implemented a retry mechanism to reprocess the transaction in case of any errors while processing the inventers updates. Dealer D2 has not implemented any retry mechanism.
How should the dealers acknowledge the message to avoid message loss and minimize impact on the current implementation?

• A. Dealer D1 and dealer D2 must use AUTO acknowledgement and acknowledge the message after successful processing
• B. Dealer D1 can use AUTO acknowledgement and dealer D2 must use manual acknowledgement and acknowledge the message after successful processing
• C. Dealer D1 can use auto acknowledgement and dealer D2 can use IMMEDIATE acknowledgement and acknowledge the message of successful processing
• D. Dealer D1 must use auto acknowledgement and dealer D2 can use manual acknowledgement and acknowledge the message after successful processing

Answer: B
NEW QUESTION # 89
An organization has an HTTPS-enabled Mule application named Orders API that receives requests from another Mule application named Process Orders.
The communication between these two Mule applications must be secured by TLS mutual authentication (two-way TLS).
At a minimum, what must be stored in each truststore and keystore of these two Mule applications to properly support two-way TLS between the two Mule applications while properly protecting each Mule application's keys?

• A. Orders API truststore: The Process Orders public key
  Orders API keystore: The Orders API private key and public key
  Process Orders truststore: The Orders API public key
  Process Orders keystore: The Process Orders private key and public key
• B. Orders API truststore: The Process Orders public key
  Orders API keystore: The Orders API private key
  Process Orders truststore: The Orders API public key
  Process Orders keystore: The Process Orders private key
• C. Orders API truststore: The Orders API private key and public key
  Process Orders keystore: The Process Orders private key public key
• D. Orders API truststore: The Orders API public key
  Process Orders keystore: The Process Orders private key and public key

Answer: A
NEW QUESTION # 90
The implementation of a Process API must change. What is a valid approach that minimizes the impact of this change on API clients?

• A. Implement the Process API changes in a new API implementation, and have the old API implementation return an HTTP status code 301 - Moved Permanently to inform API clients they should be calling the new API implementation
• B. Update the RAML definition of the current Process API and notify API client developers by sending them links to the updated RAML definition
• C. Postpone changes until API consumers acknowledge they are ready to migrate to a new Process API or API version
• D. Implement required changes to the Process API implementation so that whenever possible, the Process API's RAML definition remains unchanged

Answer: D Explanation:
Explanation
* Option B shouldn't be used unless extremely needed, if RAML is changed, client needs to accommodate changes. Question is about minimizing impact on Client. So this is not a valid choice.
* Option C isn't valid as Business can't stop for consumers acknowledgment.
* Option D again needs Client to accommodate changes and isn't viable option.
* Best choice is A where RAML definition isn't changed and underlined functionality is changed without any dependency on client and without impacting client.
NEW QUESTION # 91
An API implementation is being designed that must invoke an Order API which is known to repeatedly experience downtime. For this reason a fallback API is to be called when the Order API is unavailable. What approach to designing invocation of the fallback API provides the best resilience?

• A. Create a separate entry for the order API in API manager and then invoke this API as a fallback API if the primary Order API is unavailable
• B. Redirect client requests through an HTTP 303 temporary redirect status code to the fallback API whenever the Order API is unavailable
• C. Search Anypoint Exchange for a suitable existing fallback API and them implement invocations to their fallback API in addition to the Order API
• D. Set an option in the HTTP Requester component that invokes the order API to instead invoke a fallback API whenever an HTTP 4XX or 5XX response status code is received from Order API

Answer: B Explanation:
Explanation
* Resilience testing is a type of software testing that observes how applications act under stress. It's meant to ensure the product's ability to perform in chaotic conditions without a loss of core functions or data; it ensures a quick recovery after unforeseen, uncontrollable events.
* In case an API invocation fails - even after a certain number of retries - it might be adequate to invoke a different API as a fallback. A fallback API, by definition, will never be ideal for the purpose of the API client, otherwise it would be the primary API.
* Here are some examples for fallback APIs:
- An old, deprecated version of the same API.
- An alternative endpoint of the same API and version (e.g. API in another CloudHub region).
- An API doing more than required, and therefore not as performant as the primary API.
- An API doing less than required and therefore forcing the API Client to offer a degraded service, which is still better than no service at all.
* API clients implemented as Mule applications offer the 'Until Successful Scope and Exception' strategies at their disposal, which together allow configuring fallback actions such as a fallback API invocation.
* All HTTP response status codes within the 3xx category are considered redirection messages. These codes indicate to the user agent (i.e. your web browser) that an additional action is required in order to complete the request and access the desired resource Diagram Description automatically generated

Hence correct answer is Redirect client requests through an HTTP 303 temporary redirect status code to the fallback API whenever the Order API is unavailable
NEW QUESTION # 92
Customer has deployed mule applications to different customer hosted mule run times. Mule applications are managed from Anypoint platform.
What needs to be configured to monitor these Mule applications from Anypoint monitoring and what sends monitoring data to Anypoint monitoring?

• A. By default, Anypoint monitoring agent will be installed on each Mule run time Anypoint Monitoring agent automatically sends monitoring data from the Mule applications to Anypoint monitoring
• B. Anypoint monitoring agent on each mule runtime
  Anypoint monitoring agent sends monitoring data from the mule applications to Anypoint monitoring
• C. Enable monitoring of individual applications from runtime manager application settings Runtime manager agent sends monitoring data from the mule applications to Anypoint monitoring
• D. Install runtime manager agent on each mule runtime
  Runtime manager agent since monitoring data from the mule applications to Anypoint monitoring

Answer: B
NEW QUESTION # 93
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