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Why wireless networks need to be encrypted?
They openly broadcast data.
How is data encrypted for wireless networks?
Scrambling data into cypher text using a master key created from SSID of the network and the password. Data is decrypted by server using same master key so the key is not transmitted.
What are common protocols for wireless encryption?
WEP, WPA, and WPA2
What is a handshake protocol?
Protocol used to ensure the receiver has a valid master key before transmission begins.