Quota in demo & Plesk versions

[LucianN]

Hello,

I've test Plesk demo version from https://plesk10-full.demo.parallels.com:8443/ and I've search a lot of time to find where can I set quota for an additional ftp account. Nothing is there. After searches over internet I found that that feature may be disabled. Well... not really a good experience with your panel

Another thing is that I didn't find information about some licensing for Plesk. At some webhosting companies I can buy Plesk 30, Plesk 100 and Unlimited. After some searches I fount that 30 and 100 are domains, BUT, how about sub-domains?
For example for Plesk 30, there are:
1. 30 domains and sub-domains
2. 30 domains and unlimited sub-domains
3. 30 domains and some limits for sub-domains

Which number is correct?

Thanks!