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An organization is creating a Mule application that will be deployed to CloudHub. The Mule application has a property named dbPassword that stores a database user’s password. The organization's security standards indicate that the dbPassword property must be hidden from every Anypoint Platform user after the value is set in the Runtime Manager Properties tab. What configuration in the Mule application helps hide the dbPassword property value in Runtime Manager?
A. Use secure::dbPassword as the property placeholder name and store the cleartext (unencrypted) value in a secure properties placeholder file
B. Use secure::dbPassword as the property placeholder name and store the property encrypted value in a secure properties placeholder file
C. Add the dbPassword property to the secureProperties section of the pom.xml file
D. Add the dbPassword property to the secureProperties section of the mule-artifact.json file
Explanation:
Reference: [Reference: https://docs.mulesoft.com/runtime-manager/secure-application-properties, , , , ]
A team has completed the build and test activities for a Mule application that implements a System API for its application network. Which Anypoint Platform component should the team now use to both deploy and monitor the System AP\ implementation?
A. API Manager
B. Design Center
C. Anypoint Exchange
D. Runtime Manager
Explanation: After completing the build and test activities for a Mule application that implements a System API, the team should use Runtime Manager to both deploy and monitor the System API implementation. Runtime Manager is a component of Anypoint Platform that provides capabilities for deploying, managing, and monitoring Mule applications and APIs. It allows teams to manage applications and APIs across various environments, ensuring they operate correctly and efficiently. References: Anypoint Runtime Manager Deploying and Managing Applications with Runtime Manager
An API client is implemented as a Mule application that includes an HTTP Request operation using a default configuration. The HTTP Request operation invokes an external API that follows standard HTTP status code conventions, which causes the HTTP Request operation to return a 4xx status code. What is a possible cause of this status code response?
A. An error occurred inside the external API implementation when processing the HTTP request that was received from the outbound HTTP Request operation of the Mule application
B. The external API reported that the API implementation has moved to a different external endpoint
C. The HTTP response cannot be interpreted by the HTTP Request operation of the Mule application after it was received from the external API
D. The external API reported an error with the HTTP request that was received from the outbound HTTP Request operation of the Mule application
Explanation
Correct choice is: "The external API reported an error with the HTTP request that was received from the outbound HTTP Request operation of the Mule application"
Understanding HTTP 4XX Client Error Response Codes : A 4XX Error is an error that arises in cases where there is a problem with the user’s request, and not with the server.
Such cases usually arise when a user’s access to a webpage is restricted, the user misspells the URL, or when a webpage is nonexistent or removed from the public’s view.
In short, it is an error that occurs because of a mismatch between what a user is trying to access, and its availability to the user — either because the user does not have the right to access it, or because what the user is trying to access simply does not exist. Some of the examples of 4XX errors are
400 Bad Request The server could not understand the request due to invalid syntax. 401 Unauthorized Although the HTTP standard specifies "unauthorized", semantically this response means "unauthenticated". That is, the client must authenticate itself to get the requested response. 403 Forbidden The client does not have access rights to the content; that is, it is unauthorized, so the server is refusing to give the requested resource. Unlike 401, the client's identity is known to the server. 404 Not Found The server can not find the requested resource. In the browser, this means the URL is not recognized. In an API, this can also mean that the endpoint is valid but the resource itself does not exist. Servers may also send this response instead of 403 to hide the existence of a resource from an unauthorized client. This response code is probably the most famous one due to its frequent occurrence on the web. 405 Method Not Allowed The request method is known by the server but has been disabled and cannot be used. For example, an API may forbid DELETE-ing a resource. The two mandatory methods, GET and HEAD, must never be disabled and should not return this error code. 406 Not Acceptable This response is sent when the web server, after performing server-driven content negotiation, doesn't find any content that conforms to the criteria given by the user agent. The external API reported that the API implementation has moved to a different external endpoint cannot be the correct answer as in this situation 301 Moved Permanently The URL of the requested resource has been changed permanently. The new URL is given in the response. ----------------------------------------------------------------------------------------------------------------------------------------------- In Lay man's term the scenario would be: API CLIENT —> MuleSoft API - HTTP request “Hey, API.. process this” —> External API API CLIENT <– MuleSoft API - http response "I'm sorry Client.. something is wrong with that request" <– (4XX) External API
An IT integration delivery team begins a project by gathering all of the requirements, and proceeds to execute the remaining project activities as sequential, non-repeating phases. Which IT project delivery methodology is this team following?
A. Kanban
B. Scrum
C. Waterfall
D. Agile
Explanation:
The described approach of gathering all requirements upfront and proceeding through sequential, non-repeating phases is characteristic of the Waterfall methodology. Waterfall is a linear project management approach where each phase must be completed before the next one begins, and there is typically no going back to a previous phase once it is completed. This methodology is well-suited for projects with well-defined requirements and deliverables, but it can be inflexible if changes or new requirements arise during the project.
References:
Waterfall Model
Waterfall vs. Agile: Which is the Right Development Methodology for Your Project?
The retrieveBalances flow in the Mule application is designed to use an operation in a connector to the Finance system (the Finance operation) that can only look up one account record at a time, and a operation from a different connector to the Audit system (the Audit operation) that can only insert one account record at a time. To best meet the performance-related requirements, what scope or scopes should be used and how should they be used to incorporate the Finance operation and Audit operation into the retrieveBalances flow?
A. Wrap the Finance operation in a Parallel For-Each scope. Wrap the Audit operation in a Async scope.
B. Wrap the Finance operation in a Until-Successful scope. Wrap the Audit operation in a Try-Catch scope.
C. Wrap both connector operations in a Async scope.
D. Wrap both connector operations in a For-Each scope.
Explanation:
Understanding the Operations:
Parallel For-Each Scope:
Async Scope:
Performance Optimization:
References:
MuleSoft Documentation on Scopes: Mule Scopes
MuleSoft Best Practices for Performance: Performance Best Practices
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