Networking Roadmap

Note: Not all questions may match a certain category on the roadmap.

Fundamentals of Networking
Concepts
IP addresses (IPv4, IPv6)
Subnetting
MAC addresses
Routing protocols (DHCP, BGP)
DNS (Domain Name System)
TCP/IP stack
OSI Model
Concepts
Seven layers of the OSI model and their functionalities ->
Network Topologies and Types
Concepts
LAN, WAN, PAN, VLAN, etc.
Mesh, Star, Bus, Ring Topologies
Transport Protocols
Concepts
TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) features
Reliable vs. unreliable transmission
Flow control
Error correction
Application Layer Protocols
Concepts
HTTP (Hypertext Transfer Protocol)
HTTPS
RESTful APIs
SMTP (Simple Mail Transfer Protocol)
FTP (File Transfer Protocol)
SSH (Secure Shell)
Network Infrastructure
Concepts
Switches, routers, gateways, and wireless access points
Basics of networking hardware
Routing and Switching
Concepts
Advanced routing protocols (OSPF, EIGRP)
Switching concepts, like STP (Spanning Tree Protocol) and VLANs configuration
Wireless Networking
Concepts
802.11 standards
Wireless security protocols
Wi-Fi configuration and optimization
Network Troubleshooting and Debugging
Concepts
Wireshark
Traceroute
Ping