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Difficulty: MediumAzure Monitor Alerts and Action Groups

An administrator is designing a monitoring and alerting solution in Azure. The administrator configures an Azure Monitor metric alert rule that evaluates a metric every 11 minute and associates it with an Azure Monitor action group. The action group contains both an SMS receiver and an Email receiver to notify an engineer.

During an incident, the alert triggers and resolves repeatedly, firing exactly once every minute for a total duration of 11 hour (6060 minutes).

Which two of the following statements accurately describe the notification delivery behavior during this 11-hour period?

  1. The engineer will receive a maximum of 1212 SMS notifications due to the rate limit of one SMS every 55 minutes.Answer
  2. The engineer will receive all 6060 email notifications because the volume is below the rate limit of 100100 emails per hour.Answer
  3. C
    The engineer will receive all 6060 SMS notifications because rate limits are automatically bypassed for critical alerts.
  4. D
    The engineer will receive a maximum of 1010 email notifications due to a rate limit of one email every 66 minutes.

Answer

The correct statements are that the engineer will receive a maximum of 1212 SMS notifications due to the rate limit of one SMS every 55 minutes, and they will receive all 6060 email notifications because the email volume is below the limit of 100100 emails per hour.
The correct options identify that SMS notifications are restricted by a rate limit of one SMS every 55 minutes, leading to a maximum of 1212 delivered messages in an hour. Additionally, the email limit is 100100 per hour, meaning all 6060 emails will be successfully delivered.

Step-by-Step Solution

1
Analyze the rate limit for SMS notifications in Azure Monitor Action Groups.
SMS notifications are limited to a maximum of 11 SMS message every 55 minutes.
This is a hard rate limit imposed by Azure Monitor to prevent excessive messaging costs and spamming.
2
Calculate the maximum number of SMS notifications delivered in a 6060-minute period.
At a limit of 11 SMS per 55 minutes, the maximum delivered is 1212 SMS messages (60/5=1260 / 5 = 12).
Any additional SMS notifications triggered within the 55-minute window are dropped by the rate limiter.
3
Analyze the rate limit for email notifications and compare it with the alert frequency.
Email notifications are limited to 100100 emails per hour. Since 6060 alerts are fired in 6060 minutes, all 6060 email notifications will be delivered.
6060 emails per hour is well within the 100100 emails per hour limit.

Key Concept

Azure Monitor Action Group Rate Limits
Estimated Time:1m 30s
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Topics

Azure Monitor Alerts and Action Groups

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