Application operation and maintenance management service AOM is a three-dimensional operation and maintenance service centered on resource data and associated with logs, indicators, resources, alarms, events and other data. Which of the following descriptions about AOM services is wrong?
A. Through AOM, you can keep abreast of application resource usage, trends, alarms and other information, and monitor the health status of applications and related cloud resources in real time
B. When the host accesses the AOM, the ICAgent software must be installed first
C. Provide basic operation and maintenance services such as alarms, logs, monitoring, and indicators, as well as AI services such as normal detection and analysis
D. Realize periodic keyword statistics by creating log statistics rules, and generate indicator teaching data