what is TCP/IP and OSI? // FREE CCNA // EP 3
16:50
REAL LIFE example!! (TCP/IP and OSI layers) // FREE CCNA // EP 4
18:45
what is an IP Address? // You SUCK at Subnetting // EP 1
23:22
What is a SWITCH? // FREE CCNA // Day 1
24:22
What is DNS? (and how it makes the Internet work)
6:02
Layer 2 vs Layer 3 Switches
18:44
Network Basics - What is a network? // FREE CCNA 200-301 course
31:52
OSI Model Deep Dive
12:27