Question # 1 A mule application is deployed to a Single Cloudhub worker and the public URL appears in Runtime Manager as the APP URL.
Requests are sent by external web clients over the public internet to the mule application App url. Each of these requests routed to the HTTPS Listener event source of the running Mule application.
Later, the DevOps team edits some properties of this running Mule application in Runtime Manager.
Immediately after the new property values are applied in runtime manager, how is the current Mule application deployment affected and how will future web client requests to the Mule application be handled? A. Cloudhub will redeploy the Mule application to the OLD Cloudhub worker
New web client requests will RETURN AN ERROR until the Mule application is redeployed to the OLD Cloudhub workerB. CloudHub will redeploy the Mule application to a NEW Cloudhub worker
New web client requests will RETURN AN ERROR until the NEW Cloudhub worker is availableC. Cloudhub will redeploy the Mule application to a NEW Cloudhub worker
New web client requests are ROUTED to the OLD Cloudhub worker until the NEW Cloudhub worker is available.D. Cloudhub will redeploy the mule application to the OLD Cloudhub worker
New web client requests are ROUTED to the OLD Cloudhub worker BOTH before and after the Mule application is redeployed.
Click for Answer
C. Cloudhub will redeploy the Mule application to a NEW Cloudhub worker
New web client requests are ROUTED to the OLD Cloudhub worker until the NEW Cloudhub worker is available.
Answer Description Explanation
CloudHub supports updating your applications at runtime so end users of your HTTP APIs experience zero downtime. While your application update is deploying, CloudHub keeps the old version of your application running. Your domain points to the old version of your application until the newly uploaded version is fully started. This allows you to keep servicing requests from your old application while the new version of your application is starting.
Question # 2 Which productivity advantage does Anypoint Platform have to both implement and manage an AP? A. Automatic API proxy generation B. Automatic API specification generation C. Automatic API semantic versioning D. Automatic API governance
Click for Answer
A. Automatic API proxy generation
Answer Description Explanation:
Anypoint Platform provides the productivity advantage of automatic API proxy generation. This feature enables developers to quickly create proxies for their APIs, which act as intermediaries that forward requests to the appropriate backend services. Automatic proxy generation simplifies the process of securing and managing APIs, allowing developers to enforce policies, monitor traffic, and analyze usage without having to manually configure these aspects.
References:
• API Proxies on Anypoint Platform
• Improving API Productivity with Anypoint Platform
Question # 3 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
Click for Answer
C. The payload size should NOT exceed the maximum available heap memory of the Mute runtime on which the Mule application executes
Question # 4 According to MuleSoft, which system integration term describes the method, format, and protocol used for communication between two system? A. Component B. interaction C. Message D. Interface
Click for Answer
D. Interface
Answer Description Explanation:
According to MuleSoft, the term "interface" describes the method, format, and protocol used for communication between two systems. An interface defines how systems interact, specifying the data formats (e.g., JSON, XML), protocols (e.g., HTTP, FTP), and methods (e.g., GET, POST) that are used to exchange information. Properly designed interfaces ensure compatibility and seamless communication between integrated systems.
References:
• MuleSoft Glossary of Integration Terms
• System Interfaces and APIs
Question # 5 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 non-deterministic way
B. By starting an XA transaction for each new messageC. In a deterministic wayD. The primary only in order to avoid duplicate processing
Click for Answer
A. In non-deterministic way
Question # 6 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 DataweaveB. 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
Click for Answer
C. Transform by calling any suitable Java class from Dataweave
Question # 7 An organization is migrating all its Mule applications to Runtime Fabric (RTF). None of the Mule applications use Mule domain projects.
Currently, all the Mule applications have been manually deployed to a server group among several customer hosted Mule runtimes.
Port conflicts between these Mule application deployments are currently managed by the DevOps team who carefully manage Mule application properties files.
When the Mule applications are migrated from the current customer-hosted server group to Runtime Fabric (RTF), fo the Mule applications need to be rewritten and what DevOps port configuration responsibilities change or stay the same? A. Yes, the Mule applications Must be rewritten
DevOps No Longer needs to manage port conflicts between the Mule applicationsB. Yes, the Mule applications Must be rewritten
DevOps Must Still Manage port conflicts.C. NO, The Mule applications do NOT need to be rewritten
DevOps MUST STILL manage port conflictsD. NO, the Mule applications do NO need to be rewritten
DevOps NO LONGER needs to manage port conflicts between the Mule applications.
Click for Answer
C. NO, The Mule applications do NOT need to be rewritten
DevOps MUST STILL manage port conflicts
Question # 8 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 applicationsB. 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 startupC. 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 startupD. 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
Click for Answer
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
Answer Description 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 – and potentially malicious – use by anyone with access to the Mule application
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