Which four actions does the REST API for Service Requests (SRs) allow?

Which two steps are needed to create a new business object in Digital Customer Service?

Your customer asked you to modify the default severity value for new service requests.
Which three steps should you follow to make the change?

You created two assignment rules for service requests using the Use Score option. For some service requests both rules return a result with the same total points.
What will be the expected result in the assignment of a queue for these service requests?

You have been instructed to implement the "My Knowledge" page for your customer's Engagement Cloud site.
Which is the correct first action in configuring "My Knowledge"?