Test anything that replies on a ping (ICMP). This little stay on top application is a handy tool for the helpdesk verifying that computers and other equipment are connected and online.
With QR Designer, it is easy to make a form. QR is an alternative to the html web form. You can email a form or put it up on your web site, even with the simplest hosting plan. You see, a QR Form is a file and it does not need a server to work.
Check if your devices are online. Asset Monitor continuously pings critical devices. This ensures that you at anytime can see if printers, routers and servers are online.