I've been supporting CUCM 10.5 for almost 2 years, and am looking to get my CICD certification (I need it so I can be promoted). I do great with the CUCM parts of the study guide, but I've never had my hands on a CME. I also struggle with the Cisco IOS commands, as I only do voice and am not allowed to log into routers/switches. I paid for a certification prep course, but their labs didn't work right, and I feel like I wasted time and money.
Is there a CME sandbox "out there" somewhere that costs less than buying the hardware?