Implement Data Integration Concepts and Solutions MB-500 Practice Questions (Page 6)

Questions 26–30

1. 26application · medium

   A retail company needs to export sales orders from Dynamics 365 Finance and Operations to a government portal that requires a fixed-width text file with a specific record layout. The export must run monthly and be triggered from a batch job. What should you configure?

   • AA SysOperation framework class that generates the fixed-width file and schedules it with the batch framework
   • BA data entity export to a CSV file, then use a custom service to convert it to fixed-width
   • CAn Electronic Reporting (ER) format that defines the fixed-width layout, with a data source that queries the sales order tables, and run it from a batch job
   • DAn OData batch request that retrieves sales orders and writes them to a fixed-width file using a console app
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2. 27expert · hard

   A company exposes a custom service operation that accepts a purchase order and returns a confirmation number. The operation is called by an external system that sometimes sends duplicate requests. The company needs to ensure that duplicate requests do not create duplicate purchase orders. What should you do?

   • AImplement idempotency by checking for an existing purchase order with the same external reference before creating a new one
   • BReturn the same confirmation number for every request without creating a purchase order
   • CUse a Batch OData request to combine duplicate requests into one
   • DCreate a new purchase order for every request and let the external system handle duplicates
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4. 28application · medium

   A company needs to update 500 customer records in Dynamics 365 Finance and Operations using the OData API. The updates are independent of each other. To minimize the number of HTTP requests, what should you do?

   • AUse Electronic Reporting to export the records, modify them, and import them back
   • BSend 500 separate PATCH requests
   • CSend a single batch OData request containing all 500 PATCH operations
   • DUse a custom service that loops through the records and updates them one by one
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5. 29application · medium

   A company wants to expose a method that returns the current inventory balance for a given item and warehouse. The method must be callable by an external mobile app using JSON over HTTPS. What should you create?

   • AA custom service operation that is exposed as an OData action, and call it from the mobile app using a POST request
   • BA data entity that the mobile app queries directly using OData GET
   • CA batch OData request that the mobile app sends to retrieve the balance
   • DA SOAP web service that the mobile app calls with an XML envelope
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6. 30application · medium

   A company's Dynamics 365 Finance and Operations environment needs to retrieve currency exchange rates from an external REST service that returns JSON. The service requires an API key in the request header. The developer must implement this in a custom service. What should the developer do?

   • AUse the HttpClient class in X++ to send a GET request with the API key in the header, parse the JSON response, and update the exchange rate table
   • BCreate a SOAP reference to the REST service and call it using the SOAP protocol
   • CUse an OData data entity to directly read the external REST service
   • DUse the Batch OData API to send a GET request to the external service
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