Buy It from Pearson Education (InformIT)
This product is intended for use in instructor-led classroom environments only. It is not intended for sale to anyone who is not enrolled in a class that has adopted this software, as the answers to the ungraded labs are only available through an instructor. If you are not a student enrolled in a class using this software, you should purchase the standard edition of this product, CCNA 640-802 Network Simulator, 2/e, ISBN: 1587204444 .Other products from Pearson Education (InformIT)