Final answer:
The proactive customer service approach that allows customers to handle their queries via a company's website is called customer self-service, which includes tools like FAQs and chatbots. The correct option is b.
Step-by-step explanation:
A popular proactive approach and customer service, where customers are empowered to visit a company's website and handle most queries and functions that are typically managed by a call center, is called customer self-service.
This approach provides a means for customers to find answers, complete transactions, or troubleshoot issues on their own without direct interaction with company representatives. Examples of customer self-service include FAQ sections, knowledge bases, chatbots, and interactive online forms. The correct option is b.