[单选] A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless card. The client section of the access point does not list any active WLAN clients. What is a possible reason for this?（）
A . The incorrect channel is configured on the client. B . The client's IP address is on the wrong subnet. C . The client has an incorrect pre-shared key. D . The SSID is configured incorrectly on the client.
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A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless card. The client section of the access point does not list any active WLAN clients. What is a possible reason for this?（）
