Wireless Network
Types of Wireless Networks
- WLAN (Wireless Local Area Network) — Wi-Fi
- WPAN (Wireless Personal Area Network) — Bluetooth, Zigbee
- WMAN (Wireless Metropolitan Area Network) — WiMAX
- WWAN (Wireless Wide Area Network) — Cellular networks (3G, 4G, 5G)
Wireless Network Topologies
- Infrastructure mode (using Access Points)
- Ad hoc mode (peer-to-peer)
- Mesh networks
Wireless Communication Fundamentals
- Radio frequency spectrum and bands (2.4 GHz, 5 GHz, 6 GHz)
- Channels and interference
- Signal propagation and range
- SSID and BSSID
Wi-Fi Standards
- IEEE 802.11 family overview (a/b/g/n/ac/ax)
- Speed, frequency, and range differences
- Wi-Fi generations explained (Wi-Fi 4, 5, 6, 6E)
Wireless Network Components
- Wireless Access Points (APs)
- Wireless routers
- Wireless clients (laptops, smartphones, IoT devices)
- Antennas and repeaters/extenders
- Wireless controllers (for enterprise networks)
Wireless Network Setup and Configuration
- SSID and network naming
- Channel selection and management
- Frequency band selection (2.4 GHz vs 5 GHz)
Configuring wireless security settings
Wireless Security
- WEP, WPA, WPA2, WPA3 encryption standards
- Authentication methods (PSK, Enterprise mode with RADIUS)
- MAC filtering
- Guest networks and network segmentation
- Common wireless threats (eavesdropping, rogue APs, jamming)
Wireless Network Performance Optimization
- Signal strength and coverage optimization
- Minimizing interference
- Band steering and load balancing
- QoS (Quality of Service) for wireless
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