Learn how to set up alerts in Azure Log Analytics for Windows Server 2012 R2 and Windows Server 2016 with dimensions support, minimal alert generation time, and notification precision. Explore the right signal type for efficient alert configuration.
Table of Contents
Question
You have an Azure subscription named Sub1 that contains an Azure Log Analytics workspace named LAW1.
You have 100 on-premises servers that run Windows Server 2012 R2 and Windows Server 2016. The servers connect to LAW1. LAW1 is configured to collect security-related performance counters from the connected servers.
You need to configure alerts based on the data collected by LAW1. The solution must meet the following requirements:
- Alert rules must support dimensions.
- The time it takes to generate an alert must be minimized.
- Alert notifications must be generated only once when the alert is generated and once when the alert is resolved.
Which signal type should you use when you create the alert rules?
A. Log
B. Log (Saved Query)
C. Metric
D. Activity Log
Answer
C. Metric
Explanation
Metric alerts in Azure Monitor provide a way to get notified when one of your metrics cross a threshold. Metric alerts work on a range of multi-dimensional platform metrics, custom metrics, Application Insights standard and custom metrics.
Note: Signals are emitted by the target resource and can be of several types. Metric, Activity log, Application Insights, and Log.
Reference
- Azure > Azure Monitor > Create, view, and manage metric alerts using Azure Monitor
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