Microsoft Azure Administrator Associate AZ 104 Practice test 3

Explanation:
Box 1: 60
One alert per minute will trigger one email per minute.
Box 2: 12
No more than 1 SMS every 5 minutes can be send, which equals 12 per hour.
Note: Rate limiting is a suspension of notifications that occurs when too many are sent to a particular phone number, email address or device. Rate limiting ensures that alerts are manageable and actionable.
The rate limit thresholds are:
➬ SMS: No more than 1 SMS every 5 minutes.
➬ Voice: No more than 1 Voice call every 5 minutes.
➬ Email: No more than 100 emails in an hour.
➬ Other actions are not rate limited.
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/alerts-rate-limiting