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单选题
A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. The WLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why the WLAN card is performing at that speed?()
A

The WLAN card is 802.11g.

B

The WLAN card is 802.11b.

C

The WLAN card is 802.11n.

D

The WLAN card is 802.11a.


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