Connecting Devices to Wireless Networks

Connecting Devices to Wireless Networks

1. Wireless Connections

   • Avoids the expense and time of laying network canbles to each computer in the building
   • The connected device can be moved around and as long as the device is within range of it
   • Laptops , tablets, computers

2. Bandwidth

   • The number of devices connected at one time and the bandwidth of the connection
     • This affects the transfer of large amounts of data over a wireless network connection
   • High bandwidth connections allow large amounts of data to be quickly transferred
   • Wireless connections can stop when your out of range or have obstacles in the way

3. Wi-Fi

   • Public wireless networks (Wi-Fi 'hotspots') allow portable devices to connect to the internet
   • They can be found in cafes, hotels, libraries and other public places
   • Wi-Fi is often used as another name for wireless network

4. Service Set Identifier (SSID)

   • Identifies each network by a unique name so that all the devices connected to it can identify the network
   • Can be set automatically
   • Network administrators can be a public SSID to broadcast to wireless devices in range of an access point.

5. WEP, WPA, WPA2,AES

6. Security of wirless networks

   • Must allow the device access to the internet services needed
   • Refuses access to any unauthorised devices to try and prevent, for example personal data being stolen
   • Blocks attempts to access the private network from unauthorised sources such as hackers