试题详情单项选择题Which of the following wireless networking standards can operate at two different frequenciessimultaneously?（）A、802.11aB、802.11bC、802.11gD、802.11n正确答案：D答案解析：关注下方微信公众号，在线模考后查看热门试题Which of An administratWhen installing a neWhich of Which of When running&#Which of Which of A customer, Bob, nee An administratWhich of the followiAn administrator is A technician needs tWhich of Which of A technician droppedWhich of the followiA technician is instWhich of Which of the followi
