What is a prerequisite for creating a user that has a Partner Community license?

The Salesforce Administrator at Ursa Major Solar is trying to create a partner user for their Partner Community that was built using Salesforce Experience Builder. However, the admin is not able to create it from the contact record.
What could be two reason causing this issue?
Choose 2 answers

Cloud Kicks has noticed its new Experience Cloud site is taking a long time to load.
Which tool should the system administrator use to troubleshoot the problem?

Cloud Kicks (CK) wants potential customers to use self-registration to sign up and gain access to its new site. CK uses Person Accounts for its customers.
How should the CK system administrator configure self-registration?

Dreamscape Flowers needs to create a digital experience that meets the following requirements:
* It allows for collaboration between customer and partner users.
* Self-service for customer users is available.
* Partner users create or resolve cases for their customers and need to see case data on a dashboard.
* Partner users do not manage Leads, Opportunities, or Campaigns.
Which license type should a Salesforce Admin use for these partner users?