Wireless Networks:

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Wireless networks allow devices to connect to the internet and communicate without physical cables, using radio waves or infrared signals. Key components include:

  1. Access Points (APs): These devices transmit and receive data between wireless devices and the wired network, acting as a bridge.

  2. Wireless Standards: Protocols like Wi-Fi (IEEE 802.11) define how devices communicate over the network. Common standards include 802.11a/b/g/n/ac/ax, with varying speeds and ranges.

  3. Network Security: Protecting wireless networks is crucial. Common security protocols include WEP, WPA, and WPA2/WPA3, which encrypt data to prevent unauthorized access.

  4. Frequency Bands: Wireless networks typically operate on 2.4 GHz and 5 GHz bands. The 2.4 GHz band has a longer range but lower speeds, while the 5 GHz band offers higher speeds but shorter range.

  5. Mesh Networks: These systems use multiple access points to extend coverage and improve reliability, allowing devices to connect seamlessly as they move through the area.

  6. Interference and Range: Factors like walls, electronic devices, and distance can affect signal strength and quality, requiring careful planning of network layout.

Wireless networks are widely used in homes, businesses, and public spaces, enabling flexibility and mobility for users.


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