Implement Azure Functions AZ-204 Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A company runs an Azure Function that sends a weekly summary email every Monday at 9:00 AM local time (UTC+2). The function uses a timer trigger. Which cron expression should the developer use to run the function at the correct time?

   • A0 0 7 * * 0
   • B0 0 7 * * 1
   • C0 0 9 * * 0
   • D0 0 9 * * 1
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2. 12foundation · medium

   In an Azure Functions app, where do you store a connection string that should be accessible to all functions in the app without hard-coding it in the code?

   • AIn the function's local.settings.json file
   • BIn the application settings of the function app
   • CIn the Azure Key Vault only
   • DIn the function's code as a constant
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4. 13expert · medium

   A developer is designing an Azure Function that processes messages from a Service Bus queue. The function reads a document from Cosmos DB, applies business logic, and writes the result to a different Cosmos DB container. The function must be idempotent and handle duplicate messages without creating duplicate records. What should the developer implement?

   • ADisable duplicate detection on the Service Bus queue.
   • BUse a Cosmos DB trigger to process the output container.
   • CUse the Service Bus message ID as the document ID in the output container.
   • DUse a random GUID for the document ID in the output container.
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5. 14application · medium

   A company uses Azure Cosmos DB to store IoT sensor data. They need an Azure Function that runs whenever a new document is inserted into a specific container, and then reads the document and sends a notification to an external API. Which trigger and binding should the developer use?

   • AHTTP trigger and Cosmos DB input binding.
   • BCosmos DB trigger and HTTP output binding.
   • CBlob trigger and Cosmos DB output binding.
   • DTimer trigger and Cosmos DB input binding.
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6. 15application · medium

   A developer is writing an Azure Function that is triggered by a new message in a Service Bus queue. The function needs to read a document from Azure Cosmos DB based on the message content and then update the document. Which bindings should the developer use?

   • AQueue trigger and Cosmos DB input binding.
   • BService Bus trigger and Blob output binding.
   • CService Bus trigger, Cosmos DB input binding, and Cosmos DB output binding.
   • DHTTP trigger and Cosmos DB output binding.
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