20411C Preparation dpapkinMarch 31, 2014 David Papkin Category No Comments Preparing for 20411C next week. Checklabs for errors david mark papkin, David Papkin, davidpapkin ← Day 5 Cisco CCNA ML Nas Recommendations → Leave a Reply Cancel replyYour email address will not be published.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.