Free Jan-2024 MCIA-Level-1-Maintenance Certification Sample Questions certification Exam
Certification Topics of MCIA-Level-1-Maintenance Exam PDF Recently Updated Questions
MuleSoft MCIA-Level-1-Maintenance certification is a valuable asset for professionals who work with MuleSoft solutions. It demonstrates that the candidate has the knowledge and skills required to maintain and optimize MuleSoft solutions for their clients. MuleSoft Certified Integration Architect - Level 1 MAINTENANCE certification can help professionals advance their careers and increase their earning potential.
NEW QUESTION # 70
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 writes to both database systems as fast as possible
- B. An XA transaction synchronizes the database systems with the least amount of Mule configuration or coding
- C. An XA transaction handles the largest number of requests in the shortest time
- D. An XA transaction automatically rolls back operations against both database systems if any operation falls
Answer: C
NEW QUESTION # 71
A company is building an application network and has deployed four Mule APIs: one experience API, one process API, and two system APIs. The logs from all the APIs are aggregated in an external log aggregation tool. The company wants to trace messages that are exchanged between multiple API implementations. What is the most idiomatic (based on its intended use) identifier that should be used to implement Mule event tracing across the multiple API implementations?
- A. Client's IP address
- B. Mule event ID
- C. DataWeave UUID
- D. Mule correlation ID
Answer: D
Explanation:
Explanation
Correct answer is Mule correlation ID By design, Correlation Ids cannot be changed within a flow in Mule 4 applications and can be set only at source. This ID is part of the Event Context and is generated as soon as the message is received by the application. When a HTTP Request is received, the request is inspected for
"X-Correlation-Id" header. If "X-Correlation-Id" header is present, HTTP connector uses this as the Correlation Id. If "X-Correlation-Id" header is NOT present, a Correlation Id is randomly generated. For Incoming HTTP Requests: In order to set a custom Correlation Id, the client invoking the HTTP request must set "X-Correlation-Id" header. This will ensure that the Mule Flow uses this Correlation Id. For Outgoing HTTP Requests: You can also propagate the existing Correlation Id to downstream APIs. By default, all outgoing HTTP Requests send "X-Correlation-Id" header. However, you can choose to set a different value to
"X-Correlation-Id" header or set "Send Correlation Id" to NEVER.
NEW QUESTION # 72
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 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
- 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 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 - 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 # 73
A leading e-commerce giant will use Mulesoft API's on runtime fabric (RTF) to process customer orders.
Some customer's sensitive information such as credit card information is also there as a part of a API payload.
What approach minimizes the risk of matching sensitive data to the original and can convert back to the original value whenever and wherever required?
- A. Used both masking and tokenization
- B. Apply a field level encryption policy in the API Gateway
- C. manager to detokenize the masking format to return the original value
- D. Apply masking to hide the sensitive information and then use API
- E. create a tokenization format and apply a tokenization policy to the API Gateway
Answer: D
NEW QUESTION # 74
As an enterprise architect, what are the two reasons for which you would use a canonical data model in the new integration project using Mulesoft Anypoint platform ( choose two answers )
- A. To incorporate industry standard data formats
- B. To have consistent data structure aligned in processes
- C. To isolate areas within a bounded context
- D. There are multiple canonical definitions of each data type
- E. Because the model isolates the back and systems and support mule applications from change
Answer: B,C
NEW QUESTION # 75
A company is implementing a new Mule application that supports a set of critical functions driven by a rest API enabled, claims payment rules engine hosted on oracle ERP. As designed the mule application requires many data transformation operations as it performs its batch processing logic.
The company wants to leverage and reuse as many of its existing java-based capabilities (classes, objects, data model etc.) as possible What approach should be considered when implementing required data mappings and transformations between Mule application and Oracle ERP in the new Mule application?
- A. Create a new metadata RAML classes in Mule from the appropriate Java objects and then perform transformations via Dataweave
- B. From the mule application, transform via theXSLT model
- C. Transform by calling any suitable Java class from Dataweave
- D. Invoke any of the appropriate Java methods directly, create metadata RAML classes and then perform required transformations via Dataweave
Answer: C
NEW QUESTION # 76
A mule application designed to fulfil two requirements
a) Processing files are synchronously from an FTPS server to a back-end database using VM intermediary queues for load balancing VM events b) Processing a medium rate of records from a source to a target system using batch job scope Considering the processing reliability requirements for FTPS files, how should VM queues be configured for processing files as well as for the batch job scope if the application is deployed to Cloudhub workers?
- A. Use VM connector persistent queues for FTPS file processing Disable VM queue for the batch job scope
- B. Use Cloud hub persistent queues for FTPS files processing
There is no need to configure VM queues for the batch jobs scope as it uses by default the worker's disc for VM queueing - C. Use Cloud hub persistent VM queue for FTPS file processing
There is no need to configure VM queues for the batch jobs scope as it uses by default the worker's JVM memory for VM queueing - D. Use Cloud hub persistent VM queues for FTPS file processing
Disable VM queue for the batch job scope
Answer: D
NEW QUESTION # 77
An organization is building a test suite for their applications using m-unit. The integration architect has recommended using test recorder in studio to record the processing flows and then configure unit tests based on the capture events What are the two considerations that must be kept in mind while using test recorder (Choose two answers)
- A. Mocking values resulting from parallel processes are possible and will not affect the execution of the processes that follow in the test
- B. Recorder supports smoking a message before or inside a ForEach processor
- C. A recorded flow execution ends successfully but the result does
not reach its destination because the application is killed - D. The recorder support loops where the structure of the data been tested changes inside the iteration
- E. Tests for flows cannot be created with Mule errors raised inside
the flow or already existing in the incoming event
Answer: C,E
NEW QUESTION # 78
An organization has implemented the cluster with two customer hosted Mule runtimes is hosting an application.
This application has a flow with a JMS listener configured to consume messages from a queue destination. As an integration architect can you advise which JMS listener configuration must be used to receive messages in all the nodes of the cluster?
- A. Use the parameter primaryNodeOnly= "false" on the JMS listener
- B. Use the parameter primaryNodeOnly= "true" on the JMS listener
- C. Use the parameter primaryNodeOnly= "true" on the JMS listener with a non*shared subscription
- D. Use the parameter primaryNodeOnly= "false" on the JMS listener with a shared subscription
Answer: A
NEW QUESTION # 79
A finance giant is planning to migrate all its Mule applications to Runtime fabric (RTF). Currently all Mule applications are deployed cloud hub using automated CI/CD scripts.
As an integration architect, which of the below step would you suggest to ensure that the applications from cloudhub are migrated properly to Runtime Fabric (RTF) with an assumption that organization is keen on keeping the same deployment strategy.
- A. runtimeFabric profile should be added mule configuration files in the mule applications and CI/CD script should be modified as per the RTF configurations
- B. runtimeFabric dependency should be added as a mule plug-in to POM.xml file and CI/CD script should be modified as per the RTF configurations
- C. No changes need to be made to POM.xml file and CI/CD script should be modified as per the RTF configurations
- D. runtimeFabric deployment should be added to POM.xml file in all
the mule applications and CI/CD script should be modified as per the RTF configurations
Answer: D
NEW QUESTION # 80
A company is planning to migrate its deployment environment from on-premises cluster to a Runtime Fabric (RTF) cluster. It also has a requirement to enable Mule applications deployed to a Mule runtime instance to store and share data across application replicas and restarts.
How can these requirements be met?
- A. Anypoint object store V2 to share data between replicas in the RTF cluster
- B. Configure Persistence Gateway in any of the servers using Mule Object Store
- C. Install the object store pod on one of the cluster nodes
- D. Configure Persistent Gateway at the RTF
Answer: D
NEW QUESTION # 81
An organization is designing a Mule application to periodically poll an SFTP location for new files containing sales order records and then process those sales orders. Each sales order must be processed exactly once.
To support this requirement, the Mule application must identify and filter duplicate sales orders on the basis of a unique ID contained in each sales order record and then only send the new sales orders to the downstream system.
What is the most idiomatic (used for its intended purpose) Anypoint connector, validator, or scope that can be configured in the Mule application to filter duplicate sales orders on the basis of the unique ID field contained in each sales order record?
- A. Configure a Database connector to filter and store each record by the order ID
- B. Configure a watermark In an On New or Updated File event source to filter unique records by the order ID
- C. Configure a Cache scope to filter and store each record from the received file by the order ID
- D. Configure an Idempotent Message Validator component to filter each record by the order ID
Answer: D
NEW QUESTION # 82
A company is using Mulesoft to develop API's and deploy them to Cloudhub and on premises targets.
Recently it has decided to enable Runtime Fabric deployment option as well and infrastructure is set up for this option.
What can be used to deploy Runtime Fabric?
- A. Mule maven plug-in
- B. Directly uploading ajar file from the Runtime manager
- C. Anypoint platform REST API's
- D. AnypointCLI
Answer: A
NEW QUESTION # 83
An organization has decided on a cloud migration strategy to minimize the organization's own IT resources.
Currently the organization has all of its new applications running on its own premises and uses an on-premises load balancer that exposes all APIs under the base URL (https://api.rutujar.com).
As part of migration strategy, the organization is planning to migrate all of its new applications and load balancer CloudHub.
What is the most straightforward and cost-effective approach to Mule application deployment and load balancing that preserves the public URL's?
- A. For each migrated Mule application, deploy an API proxy application to Cloudhub with all traffic to the mule applications routed through a Cloud Hub Dedicated load balancer (DLB) Update a CNAME record for base URL ( https://api.rutujar.com) in the organization's DNS server to point to the A record of the CloudHub dedicated load balancer Apply mapping rules in DLB to map each API proxy application who is responding new application
- B. Deploy the Mule application to Cloudhub
Create a CNAME record for base URL( httpsr://api.rutujar.com) in the Cloudhub shared load balancer that points to the A record of theon-premises load balancer Apply mapping rules in SLB to map URLto their corresponding Mule applications - C. Deploy the Mule application to Cloudhub
Update a CNAME record for base URL ( https://api.rutujar.com) in the organization's DNS server to point to the A record of the CloudHub shared load balancer Apply mapping rules in SLB to map URLto their corresponding Mule applications - D. Deploy the Mule application to Cloudhub
Update a CNAME record for base URL ( https://api.rutujar.com) in the organization's DNS server to point to the A record of the Cloudhub dedicated load balancer Apply mapping rules in DLB to map URLto their corresponding Mule applications
Answer: D
NEW QUESTION # 84
An organization has just developed a Mule application that implements a REST API. The mule application will be deployed to a cluster of customer hosted Mule runtimes.
What additional infrastructure component must the customer provide in order to distribute inbound API requests across the Mule runtimes of the cluster?
- A. A message broker
- B. An HTTP Load Balancer
- C. An Object Store
- D. A database
Answer: B
Explanation:
Explanation
Correct answer is An HTTP Load Balancer.
Key thing to note here is that we are deploying application to customer hosted Mule runtime. This means we will need load balancer to route the requests to different instances of the cluster.
Rest all options are distractors and their requirement depends on project use case.
NEW QUESTION # 85
An insurance company is implementing a MuleSoft API to get inventory details from the two vendors. Due to network issues, the invocations to vendor applications are getting timed-out intermittently. But the transactions are successful upon reprocessing What is the most performant way of implementing this requirement?
- A. Implement Round-Robin scope to invoke the two vendor applications on two different routes Use the Try-Catch scope to implement retry mechanism for timeout errors on each route
- B. Implement a Choice scope to invoke the two vendor applications on two different route Use the try-catch scope to implement the retry mechanism for timeout errors on each route
- C. Implement a scatter-gather scope to invoke the two vendor
applications on two different route
Use the Until-Successful scope to implement the retry mechanism
for timeout errors on each route - D. Implement a For-Each scope to invoke the two vendor applications
Use until successful scope to implement the retry mechanism for the timeout errors
Answer: C
NEW QUESTION # 86
Which Salesforce API is invoked to deploy, retrieve, create or delete customization information such as custom object definitions using a Mule Salesforce connector in a Mule application?
- A. REST API
- B. SOAP API
- C. Metadata API
- D. Bulk API
Answer: A
NEW QUESTION # 87
A manufacturing company is planning to deploy Mule applications to its own Azure Kubernetes Service infrastructure.
The organization wants to make the Mule applications more available and robust by deploying each Mule application to an isolated Mule runtime in a Docker container while managing all the Mule applications from the MuleSoft-hosted control plane.
What is the most idiomatic (used for its intended purpose) choice of runtime plane to meet these organizational requirements?
- A. Anypoint Platform Private Cloud Edition
- B. CloudHub
- C. Anypoint Runtime Fabric
- D. Anypoint Service Mesh
Answer: C
NEW QUESTION # 88
An organization needs to enable access to their customer data from both a mobile app and a web application, which each need access to common fields as well as certain unique fields. The data is available partially in a database and partially in a 3rd-party CRM system. What APIs should be created to best fit these design requirements?
- A. A Process API that contains the data required by both the web and mobile apps, allowing these applications to invoke it directly and access the data they need thereby providing the flexibility to add more fields in the future without needing API changes.
- B. A common Experience API used by both the web and mobile apps, but separate Process APIs for the web and mobile apps that interact with the database and the CRM System.
- C. Separate Experience APIs for the mobile and web app, but a common Process API that invokes separate System APIs created for the database and CRM system
- D. One set of APIs (Experience API, Process API, and System API) for the web app, and another set for the mobile app.
Answer: C
Explanation:
Explanation
Lets analyze the situation in regards to the different options available Option : A common Experience API but separate Process APIs Analysis : This solution will not work because having common experience layer will not help the purpose as mobile and web applications will have different set of requirements which cannot be fulfilled by single experience layer API Option : Common Process API Analysis : This solution will not work because creating a common process API will impose limitations in terms of flexibility to customize API;s as per the requirements of different applications. It is not a recommended approach.
Option : Separate set of API's for both the applications Analysis : This goes against the principle of Anypoint API-led connectivity approach which promotes creating reusable assets. This solution may work but this is not efficient solution and creates duplicity of code.
Hence the correct answer is: Separate Experience APIs for the mobile and web app, but a common Process API that invokes separate System APIs created for the database and CRM system A screenshot of a computer Description automatically generated with low confidence
Lets analyze the situation in regards to the different options available Option : A common Experience API but separate Process APIs Analysis : This solution will not work because having common experience layer will not help the purpose as mobile and web applications will have different set of requirements which cannot be fulfilled by single experience layer API Option : Common Process API Analysis : This solution will not work because creating a common process API will impose limitations in terms of flexibility to customize API;s as per the requirements of different applications. It is not a recommended approach.
Option : Separate set of API's for both the applications Analysis : This goes against the principle of Anypoint API-led connectivity approach which promotes creating reusable assets. This solution may work but this is not efficient solution and creates duplicity of code.
Hence the correct answer is: Separate Experience APIs for the mobile and web app, but a common Process API that invokes separate System APIs created for the database and CRM system Diagram Description automatically generated
NEW QUESTION # 89
As a part of project requirement, Java Invoke static connector in a mule 4 application needs to invoke a static method in a dependency jar file. What are two ways to add the dependency to be visible by the connectors class loader?
(Choose two answers)
- A. In the Java Invoke static connector configuration, configure a path and name of the dependency jar file
- B. Update mule-artefact.json to export the Java package
- C. Use Maven command to include the dependency jar file when packaging the application
- D. Add the dependency jar file to the java classpath by setting theJVM parameters
- E. Configure the dependency as a shared library in the project POM
Answer: D,E
NEW QUESTION # 90
An organization if struggling frequent plugin version upgrades and external plugin project dependencies. The team wants to minimize the impact on applications by creating best practices that will define a set of default dependencies across all new and in progress projects.
How can these best practices be achieved with the applications having the least amount of responsibility?
- A. Add all dependencies in each application's POM.xml file
- B. Create a Mule plugin project with all the dependencies and add it as a dependency in each application's POM.xml file
- C. Create a mule domain project with all the dependencies define in its POM.xml file and add each application to the domain Project
- D. Create a parent POM of all the required dependencies and reference each in each application's POM.xml file
Answer: D
NEW QUESTION # 91
What is not true about Mule Domain Project?
- A. Only available Anypoint Runtime Fabric
- B. This allows Mule applications to share resources
- C. Send events (messages) to other Mule applications using VM queues
- D. Expose multiple services within the Mule domain on the same port
Answer: A
Explanation:
Explanation
* Mule Domain Project is ONLY available for customer-hosted Mule runtimes, but not for Anypoint Runtime Fabric
* Mule domain project is available for Hybrid and Private Cloud (PCE). Rest all provide application isolation and can't support domain project.
What is Mule Domain Project?
* A Mule Domain Project is implemented to configure the resources that are shared among different projects.
These resources can be used by all the projects associated with this domain. Mule applications can be associated with only one domain, but a domain can be associated with multiple projects. Shared resources allow multiple development teams to work in parallel using the same set of reusable connectors. Defining these connectors as shared resources at the domain level allows the team to: - Expose multiple services within the domain through the same port. - Share the connection to persistent storage. - Share services between apps through a well-defined interface. - Ensure consistency between apps upon any changes because the configuration is only set in one place.
* Use domains Project to share the same host and port among multiple projects. You can declare the http connector within a domain project and associate the domain project with other projects. Doing this also allows to control thread settings, keystore configurations, time outs for all the requests made within multiple applications. You may think that one can also achieve this by duplicating the http connector configuration across all the applications. But, doing this may pose a nightmare if you have to make a change and redeploy all the applications.
* If you use connector configuration in the domain and let all the applications use the new domain instead of a default domain, you will maintain only one copy of the http connector configuration. Any changes will require only the domain to the redeployed instead of all the applications.
You can start using domains in only three steps:
1) Create a Mule Domain project
2) Create the global connector configurations which needs to be shared across the applications inside the Mule Domain project
3) Modify the value of domain in mule-deploy.properties file of the applications Graphical user interface Description automatically generated
NEW QUESTION # 92
When the mule application using VM is deployed to a customer-hosted cluster or multiple cloudhub workers, how are messages consumed by the Mule engine?
- A. in a deterministic way
- B. by starting an XA transaction for each new message
- C. in non-deterministic way
- D. the primary only in order to avoid duplicate processing
Answer: A
NEW QUESTION # 93
An organization designing a hybrid, load balanced, single cluster production environment. Due to performance service level agreement goals, it is looking into running the Mule applications in an active-active multi node cluster configuration.
What should be considered when running its Mule applications in this type of environment?
- A. An external load balancer is required to distribute incoming requests throughout the cluster nodes
- B. Although the cluster environment is fully installed configured and running, it will not process any requests until an outage condition is detected by the primary node in the cluster.
- C. All event sources, regardless of time , can be configured as the target source by the primary node in the cluster
- D. A Mule application deployed to multiple nodes runs in an isolation from the other nodes in the cluster
Answer: A
NEW QUESTION # 94
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Maintaining a MuleSoft certification is important for professionals who want to stay relevant in the industry and demonstrate their expertise to their employers and clients. By passing the MCIA-Level-1-Maintenance exam, architects can demonstrate their commitment to staying up-to-date with the latest developments in MuleSoft technology and their ability to apply this knowledge to real-world integration challenges.
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