不能表示条件“两个整型变量A和B之一为0，但不能同时为0”的布尔表达式有()。

单项选择题A network technician is installing a small wireless network. A requirement is that individual users must authenticate using usernames and passwords.Which of the following technologies would support users authenticating with encrypted usernames and passwords?（）A.WPA TLSB.WPA PEAPC.64-bit WEPD.128-bit WEP

单项选择题历史文化名镇、名村保护规划由()审批。