Microsoft Certified: Azure Developer Associate Azure Functions and Serverless Computing 2

Question 1

Which Azure Functions trigger fires a function on a schedule defined by a CRON expression?

Accepted Answer

Timer trigger

Answer

The Timer trigger executes a function at intervals or on specific times defined by a NCRONTAB expression.

Question 2

In `host.json`, which setting controls the maximum number of concurrent function executions per instance?

Accepted Answer

maxConcurrentCalls

Answer

`maxConcurrentCalls` in `host.json` under the `queues` or `serviceBus` extension limits how many function invocations run in parallel per host.

Question 3

What is the purpose of the `local.settings.json` file in Azure Functions development?

Accepted Answer

Stores connection strings and app settings for local development only

Answer

`local.settings.json` holds app settings and connection strings used only during local development and should never be committed to source control.

Question 4

Which output binding allows an Azure Function to write messages directly to an Azure Service Bus queue?

Accepted Answer

[ServiceBus] output binding

Answer

The `[ServiceBus]` output binding lets a function send messages to a Service Bus queue or topic without SDK code.

Question 5

What Durable Functions feature enables long-running workflows to pause and wait for an external event?

Accepted Answer

waitForExternalEvent

Answer

`waitForExternalEvent` suspends an orchestration and resumes it when a named external event is raised via the client API.

Microsoft Certified: Azure Developer Associate Practice Test