Let’s Test Your Networking Basics | 5 Must-Know CCNA Topics #CCNA #NetworkingBasics #Cisco

Ajouté : 2026-05-06

[00:00:00]Let's test your networking basics. Five topics. Five. VLAN basics. Segmentation at layer 2. Same switch, different networks. Four, inter VLAN routing.

[00:00:14]VLANs can't talk unless router or L3 switch is involved. Three, portfast and BPDU guard. Speed plus safety enable on access ports, not between switches. Two, OSPF basics link state protocol builds topology map uses SPF algorithm. One BGP basics internet routing protocol path vector not shortest path policybased routing