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Pass Your MuleSoft MCIA-Level-1-Maintenance: MuleSoft Certified

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    MuleSoft MCIA-Level-1-Maintenance (MuleSoft Certified Integration Architect - Level 1 MAINTENANCE) Certification Exam is an industry-recognized certification that validates the skills and expertise of integration architects in maintaining MuleSoft solutions. The certification exam measures the candidate's proficiency in managing, monitoring, and troubleshooting MuleSoft applications, including performance tuning, error handling, and security enhancements. By passing this certification exam, candidates can demonstrate their ability to maintain and optimize MuleSoft solutions to meet business requirements effectively.

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    MuleSoft Certified Integration Architect - Level 1 MAINTENANCE Sample Questions (Q54-Q59):

    NEW QUESTION # 54
    The implementation of a Process API must change. What is a valid approach that minimizes the impact of this change on API clients?

    • A. Update the RAML definition of the current Process API and notify API client developers by sending them links to the updated RAML definition
    • B. 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
    • 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 # 55
    In one of the critical payment related mule application, transaction is being used . As an enhancement to implementation , scatter gather route is introduced which is also the part of transaction group. Scatter gather route has 4 routes.
    What will be the behavior of the Mule application in case of error occurs in 4th route of the scatter-gather router and transaction needs to be rolled back?

    • A. Scatter Gather router cannot be part of transaction
    • B. All routes will be rolled back
    • C. Only errored route will be rolled back

    Answer: B

    Explanation:
    Explanation
    *Scatter Gather: When running within a transaction, Scatter Gather does not execute in parallel. This means that the second route is executed after the first one is processed, the third after the second one, etc. In case of error, all routes will be rolled back


    NEW QUESTION # 56
    A banking company is developing a new set of APIs for its online business. One of the critical API's is a master lookup API which is a system API. This master lookup API uses persistent object store. This API will be used by all other APIs to provide master lookup data.

    Master lookup API is deployed on two cloudhub workers of 0.1 vCore each because there is a lot of master data to be cached. Master lookup data is stored as a key value pair. The cache gets refreshed if they key is not found in the cache.
    Doing performance testing it was observed that the Master lookup API has a higher response time due to database queries execution to fetch the master lookup data.
    Due to this performance issue, go-live of the online business is on hold which could cause potential financial loss to Bank.
    As an integration architect, which of the below option you would suggest to resolve performance issue?

    • A. Implement HTTP caching policy for all GET endpoints for master lookup API
    • B. Implement HTTP caching policy for all GET endpoints for the master lookup API and implement locking to synchronize access to object store
    • C. Add an additional Cloudhub worker to provide additional capacity
    • D. Upgrade vCore size from 0.1 vCore to 0,2 vCore

    Answer: B


    NEW QUESTION # 57
    An organization has several APIs that accept JSON data over HTTP POST. The APIs are all publicly available and are associated with several mobile applications and web applications. The organization does NOT want to use any authentication or compliance policies for these APIs, but at the same time, is worried that some bad actor could send payloads that could somehow compromise the applications or servers running the API implementations. What out-of-the-box Anypoint Platform policy can address exposure to this threat?

    • A. Apply a JSON threat protection policy to all APIs to detect potential threat vectors
    • B. Shut out bad actors by using HTTPS mutual authentication for all API invocations
    • C. Apply an IP blacklist policy to all APIs; the blacklist will Include all bad actors
    • D. Apply a Header injection and removal policy that detects the malicious data before it is used

    Answer: A

    Explanation:
    Explanation
    We need to note few things about the scenario which will help us in reaching the correct solution.
    Point 1 : The APIs are all publicly available and are associated with several mobile applications and web applications. This means Apply an IP blacklist policy is not viable option. as blacklisting IPs is limited to partial web traffic. It can't be useful for traffic from mobile application Point 2 : The organization does NOT want to use any authentication or compliance policies for these APIs.
    This means we can not apply HTTPS mutual authentication scheme.
    Header injection or removal will not help the purpose.
    By its nature, JSON is vulnerable to JavaScript injection. When you parse the JSON object, the malicious code inflicts its damages. An inordinate increase in the size and depth of the JSON payload can indicate injection.
    Applying the JSON threat protection policy can limit the size of your JSON payload and thwart recursive additions to the JSON hierarchy.
    Hence correct answer is Apply a JSON threat protection policy to all APIs to detect potential threat vectors


    NEW QUESTION # 58
    The AnyAirline organization's passenger reservations center is designing an integration solution that combines invocations of three different System APIs (bookFlight, bookHotel, and bookCar) in a business transaction.
    Each System API makes calls to a single database.
    The entire business transaction must be rolled back when at least one of the APIs fails.
    What is the most idiomatic (used for its intended purpose) way to integrate these APIs in near real-time that provides the best balance of consistency, performance, and reliability?

    • A. Implement local transactions within each API implementation
      Configure each API implementation to also participate in the same eXtended Architecture (XA) transaction Implement caching in each API implementation to improve performance
    • B. Implement local transactions in each API implementation
      Coordinate between the API implementations using a Saga pattern
      Apply various compensating actions depending on where a failure occurs
    • C. Implement eXtended Architecture (XA) transactions between the API implementations Coordinate between the API implementations using a Saga pattern Implement caching in each API implementation to improve performance
    • D. Implement an eXtended Architecture (XA) transaction manager in a Mule application using a Saga pattern Connect each API implementation with the Mule application using XA transactions Apply various compensating actions depending on where a failure occurs

    Answer: B


    NEW QUESTION # 59
    ......

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