drwxr-xr-xeth/Infrastructure & Networking
internet layer=IP Addressing, Subnetting, IPv4/IPv6 Routing, Inter-VLAN Routing, ROAS, SVI
link layer=VLANs, 802.1Q Trunking, STP, VTP, DTP
security=Wireshark, Packet Analysis, PuTTY, SSH, RDP
simulation=Cisco Packet Tracer — topology design & config prototyping
