correct answer

On exam 6/7/21, given answer correct

C is right

You need to create three rules to monitor three states where as single action group is enough. You can re-use the same action group in multiple alerts. https://docs.microsoft.com/en-us/azure/azure-monitor/platform/alerts-action-rules C is the answer

disagree, minimum number of rules is one. We can define all 3 conditions in a single rule

correct answer, see more: https://docs.microsoft.com/en-us/azure/azure-monitor/alerts/action-groups

Logically, all three 3 status for virtual machine should be configured in a single rule but answer stated 3 separate rules (1 for each status). Surprised, if Azure rules are so basic and doesn't unify Boolean OR kind of rules! in my view, ans should be one rule one AG.

Milti-resource alerts is possible since there is no mention or region https://azure.microsoft.com/en-us/blog/monitor-at-scale-in-azure-monitor-with-multi-resource-metric-alerts/

Ans is wrong, you can set multiple condition in a single alert rule. Correct answer is B, one rule and one action group.

correct answer. Creating a resource-specific log alert: When you create your activity log alert, you select Activity Log for the signal type. You'll then see all the available alerts for the resource you select. The following screenshot shows all the administrative alerts for Azure VMs. In this example, an alert is triggered when a VM is powered off. https://docs.microsoft.com/en-us/learn/modules/incident-response-with-alerting-on-azure/6-activity-log-alerts

Given answer is correct.