What one of the following is optional when creating a Catalog workflow?

From a service provider's perspective, is the following a product or an asset?
A cable modem model that the service provider sells.

If the CSM Demo Data Plugin has been installed what are two options either of which will prepare that instance to be used as part of the release path to production? (Choose two.)

What is the default value in the Channel field when a new case is opened by a customer in the Service Catalog, using the Customer Service Portal?

Entitlements specify the level of service provided to customers.