Fundamentals | Notion
What Is a Network?
Topologies
Router VS Switch
Public vs Private IP
Subnetting
Virtual LAN (VLAN)
OSI Model
TCP/IP Model
TCP (The Three-Way Handshake)
User Datagram Protocol (UDP)
Encapsulation and Decapsulation
VPN
Firewall
Routing
NAT
Segmentation
IPv4 vs IPv6
Broadcast vs Unicast vs Multicast
Proxy
Network Devices