C: Case routing can be configured by configuring Service Cloud's omni-channel routing feature to route cases to support teams based on the tier level of the customer submitting the case and the availability of agents supporting each tier level. This can help accomplish the goal by ensuring that cases are assigned to the most qualified and available agents based on predefined criteria and rules. D. Tier levels must be calculated regularly and attributed to Contact records in Service Cloud so that the tier level can be leveraged by Service Cloud's omni-channel routing feature and synchronized back to B2C Commerce and Marketing Cloud. This can help accomplish the goal by maintaining consistent and updated customer data across different systems and platforms. References:
* https://help.salesforce.com/s/articleView?id=sf.service_presence_omnichannel_routing.htm&type=5
* https://help.salesforce.com/s/articleView?id=sf.mc_co_implement_marketing_cloud_connect.
htm&type=5
* https://help.salesforce.com/s/articleView?id=sf.b2c_commerce_integration.htm&type=5