This article will go into detail on how to generate certificate signing request on Alpha 5 Application Server.
Most of the requested information will general company information (usually for your corporate headquarters, as opposed to your current location or the location of the server where you are working), but remember that your country code is a 2-Digit Code, not the entire country name.
Your common name is the fully-qualified domain name that your certificate will be issued to (e.g., www.example.com or mail.example.com).
Once you have that certificate back (this process can take anywhere from 5 minutes to several hours), you can proceed to the next step.