Communication protocol, CAI stands for ___________(a) Common air interchange(b) Control air interchange(c) Common air interface(d) Control air interchangeThis question was addressed to me in an online interview.Question is from Wireless and Fixed Telephone Networks in portion Wireless Networking of Wireless/Mobile

Communication protocol, CAI stands for ___________(a) Common air inter

1.	Communication protocol, CAI stands for ___________(a) Common air interchange(b) Control air interchange(c) Common air interface(d) Control air interchangeThis question was addressed to me in an online interview.Question is from Wireless and Fixed Telephone Networks in portion Wireless Networking of Wireless/Mobile
Answer» The CORRECT OPTION is (c) Common air interface The best I can explain: To connect mobile subscribers to the base stations, radio links are ESTABLISHED using a carefully defined communication protocol called common air interface (CAI) which in essence is a PRECISELY defined handshake communication protocol.

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