1 of 2 power units in a switch fails. Auto detected by monitoring, owned by Operations - otherwise invisible to the test of the IT team and business. Event-> Alert -> Incident. Low priority but still an incident. May need a week to get replacement power unit. I want to be sure that Service Desk are ...

I'm having a ton of difficulty with ITIL, I'm finding it mind numbing and I can't seem to retain the content, does anyone have any good study sources? I've searched all over online and can't seem to find a resource.