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?（）AThe WLAN card is 802.11g.BThe WLAN card is 802.11b.CThe WLAN card is 802.11n.DThe WLAN card is 802.11a.
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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