Pre Security module 5, Extending Your Network — port forwarding, stateful vs stateless firewalls, VPNs and VPN protocols, routers, layer 2 vs layer 3 switches, and VLANs.
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Full class notes for TryHackMe Pre Security (2026 path) module 5, Extending Your Network: port forwarding, stateful and stateless firewalls, VPNs, routers, switches and VLANs.
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Professor Messer A+ 220-1201 objective 2.4 — broadcast domains, LANs, VLANs and inter-VLAN routing, VPN concentrators, client-to-site vs site-to-site VPN.
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