The question is asking for a detailed explanation of how you build professional relationships and the strategies you have used to effectively promote yourself and your products in the past. It is specifically inquiring about your experiences and achievements in sales, which implies that you should provide examples of successful sales tactics, networking methods, and marketing efforts that have led to positive outcomes. This could include discussing specific techniques you have employed, such as attending industry events, leveraging social media, building a strong personal brand, or any other methods that have contributed to your success in marketing and sales.