The Training Portal is free. To run production workloads, sign up for Intel Developer Cloud.
Yes, though for training purposes you may need to access this platform through the workshop or webinar that you are attending.
Yes, you can. Make sure you are signed in to your Intel account, and then go to the Management Console.
The Training Portal for Intel Developer Cloud is focused on learning. To deploy or test a production workload, you are required to have a Premium or Enterprise account.