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VCE
802.11b supports () channels in the United States, where one channel does not overlap?
A. 14;3
B. 11;3
C. 11;6
D. 14; 6
What are the mandatory standards for wireless LAN security in China?
A. WiFi
B. WAPI
C. WLAN
D. WiMAX
The Barker code is an 11-bit sequence (for example, 10110111000), which has advantages in wireless transmission, which can effectively reduce interference, but reduces efficiency.
A. True
B. False