These are two features that a consultant should recommend to implement a customer community to provide self-service options to its B2C customers. Chatter Answers is a feature that allows customers to post questions, provide answers, and comment on other posts in the community. Chatter Answers can help customers find solutions from other customers or experts without creating a case. Cases is a feature that allows customers to create, view, and manage cases online in the community. Cases can help customers get support from agents when they cannot find answers from other sources. Verified Reference: : https://help.salesforce.com/s/articleView?id=sf.networks_chatter_answers_overview.htm&type=5 : https://help.salesforce.com/s/articleView?id=sf.networks_cases_overview.htm&type=5