IT Networking
Wi-Fi & Systems Overview
1. Network Basics
• LAN, WAN, OSI Model: Key concepts.
• IP Addressing: IPv4/IPv6, subnetting.
• DNS & MAC Addresses: Networking essentials.
2. Wi-Fi Systems
• Wi-Fi Standards: 802.11 a/b/g/n/ac/ax.
• Frequencies: 2.4GHz, 5GHz, 6GHz.
• Security: WPA3, encryption, and best practices.
• Performance: Signal strength and coverage.
3. Devices
• Routers/Switches: Configuration and management.
• Firewalls: Network protection.
• Access Points & Extenders: Wireless optimization.
4. Management & Security
• DHCP, VLANs, QoS: Network efficiency.
• Monitoring Tools: Wireshark, PRTG.
• Threat Prevention: Encryption, IDS, firewalls.
5. Troubleshooting
• Common Issues: Slow speeds, interference.
• Diagnostics Tools: Ping, traceroute, nslookup.