
Nagios XI has a custom API feature, and we can expose custom APIs for our integration. Really, this question comes back to the person involved, the one who purchases the product and defines its need. It is to provide intelligence for understanding and analyzing the traffic and for reproducing and doing synthetics.

The actual purposes of the tool and its attendant advantages is not the dashboard. But, the dashboard is merely an extra service provided by the tool. Of course, there are certain tools which have, lets say, a nicer dashboard than others, such as Dynatrace. With this in mind, it is up to the user to have the competency and requisite knowledge of the landscape and system so that he may use it properly. This applies to every tool, be it APM, NPM or SIEM. Secondly, there must be sufficient time to learn about the format of the tool, how it is designed and how it must be used.

Firstly, a proper and wide range of the IT system is required. No tool is simple, in as much as they all require certain competency skills. This kind of question is nonsensical to me since the tool is selected based on the service it is supposed to provide.
