You need to ensure that authentication events are triggered and processed according to the authentication events policy.
What should you do?
A . Ensure that signout events have a subject prefix. Create an Azure Event Grid subscription that uses the subjectBeginsWith filter.
B . Create a new Azure Event Grid topic and add a subscription for the events.
C . Create a new Azure Event Grid subscription for all authentication that delivers messages to an Azure Event Hub. Use the subscription to process signout events.
D . Create separate Azure Event Grid topics and subscriptions for sign-in and sign-out events.
Answer: A
Explanation:
Scenario: Authentication events are used to monitor users signing in and signing out. All authentication events must be processed by Policy service. Sign outs must be processed as quickly as possible.
References: https://docs.microsoft.com/en-us/azure/event-grid/subscription-creation-schema