What are three valid topic types? Choose 3 answers

DreamHouse Realty (DR) recently created a site for potential buyers. DR has a rich knowledge base organized in data categories and now plans to make those Knowledge articles available to site users.
Which two steps does DR need to take in order to ensure that new articles show up in the site on an ongoing basis without manual intervention?
Choose 2 answers

Universal Containers (UC) maintains multiple customer experiences, but only one profile for No customer has access to more than one experience Which two steps should the UC admin taka to grant access to each customer?
Choose 2 answers

Cloud Kicks (CK) wants to create a public site to recruit potential volunteers. Volunteenng events are stored in a custom VolunteeringEvent object.
How can CK give guest users access to a custom object?

Universal Containers is looking to build a new self-service site. Users will post questions, read Knowledge articles, and view case reports, users will not be registering deals or participating in any other sales activity.
Which external user license meets these requirements?