Network+ Training Course Index: Professor Messer’s Course Notes: Discount exam vouchers: - - - - - My seven-second subnetting method is a shortcut that puts the emphasis on speed and requires effectively no math. In this video, you’ll learn the seven-second subnetting method and how it can be used to quickly answer subnetting questions on your exam. - - - - - Subscribe to get the latest videos: Calendar of live events: Frequently Asked Questions: FOLLOW PROFESSOR MESSER: Professor Messer website: Twitter: Facebook: Instagram: LinkedIn: