单选题Which of the following data network would you implement if you wanted a wireless network that had a relatively high data rate, but was limited to very short distances?（）ABroadband personal comm. Service (PCS)BBroadband circuitCInfraredDSpread spectrumECable
单选题
Which of the following data network would you implement if you wanted a wireless network that had a relatively high data rate, but was limited to very short distances?（）
A
Broadband personal comm. Service (PCS)
B
Broadband circuit
C
Infrared
D
Spread spectrum
E
Cable
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