Wireless Networking

• What is the purpose of Wi-Fi?

  It is a wireless networking technology that provides high-speed internet and network connections
• What is needed to connect to a wireless network?

  • ISP
  • Modem and wireless router
  • Device with a NIC
• What is a station?

  A computer with a NIC
• How do stations communicate?

  They share a radio frequency channel
• What does a WAP require to function?

  Connection to router, which requires a connection to the modem
• What does SSID stand for?

  Service Set Identifier
• What does SSID do?

  It identifies each network by a unique name
• How can you secure a wireless network?

  1. Use WPA or WPA2
  2. MAC address whitelisting
• What protocol is used for collision avoidance in wireless networks?

  CSMA/CA or CSMA/CA using RTS/CTS