Network+ Training Course Index: Professor Messer’s Success Bundle: Professor Messer’s Course Notes: Discount exam vouchers: - - - - - We rely on IP as the fundamental protocol on today’s networks. In this video, you’ll learn about the fundamentals of IP, TCP, UDP, and ICMP. - - - - - Subscribe to get the latest videos: Calendar of live events: Frequently Asked Questions: FOLLOW PROFESSOR MESSER: Professor Messer website: Twitter: Facebook: Instagram: LinkedIn: