Teaching 20411C Day 1. dpapkinApril 7, 2014 Computers, Education No Comments Today taught DNS, AD concepts. RODC, AD Recycle Bin, AD Maintenance david mark papkin, David Papkin, davidpapkin ← Taught 20411C Day 1 Teaching 20411C Day 2. → Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.