Learn Networking step by step
Learn the core foundations of networking including TCP/IP model, OSI model, frames vs packets, and addressing concepts.
1.2 Bandwidth vs ThroughputUnderstand network performance concepts like bandwidth, throughput, latency, delay, and tools like Speed Test and iPerf.
1.3 Network Types & TopologiesExplore LAN, WAN, MAN, CAN, PAN, WLAN and learn physical and logical network topologies.
1.4 Cloud vs On-Premises ServicesCompare public, private, and hybrid cloud models, SaaS, PaaS, IaaS, and modern remote/hybrid work environments.
1.5 Network Applications & ProtocolsLearn how TCP vs UDP works and understand key protocols like FTP, HTTP, DHCP, DNS, ICMP, and NTP.
Understand private and public IP addressing, address classes, and how NAT enables internal networks to access the internet.
2.2 IPv4 Addressing & SubnettingLearn subnet concepts including CIDR (slash notation), subnet masks, broadcast domains, and how subnet calculators work.
2.3 IPv6 AddressingExplore IPv6 address structure, address types, and prefix formats designed to replace IPv4.
Learn about cable types such as fiber, copper, and twisted pair, along with common connectors like RJ-45, RJ-11, coax, and fiber connectors.
3.2 Network TechnologiesUnderstand wired and wireless networking technologies including Wi-Fi bands (2.4GHz, 5GHz, 6GHz), cellular networks, and interference sources.
3.3 Endpoint DevicesExplore common endpoint devices such as IoT devices, computers, mobile devices, IP phones, printers, and servers.
3.4 Network Connectivity Setup & ChecksLearn how to configure and verify network connectivity across Windows, Linux, macOS, Android, and iOS using networking utilities and wireless settings.
Learn how to interpret Cisco device LED indicators, including link light colors and blinking versus solid states.
4.2 Cabling Using Network DiagramsUnderstand network cabling using diagrams, including patch cables, switches, routers, small topologies, and power or rack layouts.
4.3 Network Device PortsExplore common network ports such as console, serial, Ethernet, fiber, SFPs, USB ports, and Power over Ethernet (PoE).
4.4 Routing FundamentalsLearn routing basics including default gateways, Layer 2 vs Layer 3 devices, and how local and remote networks communicate.
4.5 Switching FundamentalsUnderstand switching concepts such as MAC address tables, MAC filtering, and VLAN fundamentals.
Learn structured troubleshooting approaches including ticketing systems, documentation, information gathering, and issue prioritization.
5.2 Packet CaptureUnderstand packet capture concepts using Wireshark, including capturing traffic and saving or opening .pcap files.
5.3 Diagnostic CommandsLearn essential diagnostic commands such as ping, ipconfig, ifconfig, tracert, traceroute, nslookup, and firewall behavior analysis.
5.4 Device Access & Data CollectionExplore methods to access devices using RDP, SSH, Telnet, VPN, console connections, network management systems, cloud-managed networks, and scripts.
5.5 Cisco Device Show CommandsLearn essential Cisco IOS show commands, privilege levels, and command help features for effective network diagnostics.
Learn how firewalls filter network traffic using port and protocol rules, and understand permit versus deny security policies.
6.2 Core Security ConceptsUnderstand CIA triad, AAA, multi-factor authentication, encryption, certificates, password policies, identity stores, and common cyber threats.
6.3 Wireless Security ConfigurationLearn wireless security standards including WPA, WPA2, and WPA3, personal vs enterprise security, and home router best practices.