Do I need to install Agent before I can use App Manager?

Do I need to install Agent before I can use App Manager?

helo ... i was told that OpManager does not require any agents and be able to discover the network by itself whereby Application Manager need to install an agent on the managed server before it can monitor the services (running in the managed server). Isnt that OpManager is superior in the sense that it faciliatate the installation and ease the load on the server?

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