Why Packet Tracer: It’s a free, lightweight Cisco simulation tool that supports most CCNA topics, enabling hands-on practice anytime on standard hardware. Hands-on learning: Labs cover VLANs, routing, ...

Virtual LAN (VLAN) technology, which is defined under the IEEE 802.1q specifications, has allowed enterprise to extend the reach of their corporate networks across the WAN. VLANs enable a LAN to be ...