Teaching 20411C Day 1. David PapkinApril 7, 2014April 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 → Leave a Reply Cancel replyYour email address will not be published.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. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.