单项选择题
Is an open standard promotes interoperability among the wireless client adapters and dial-in servers from different vendors.（）
A.WEP B.HTTP C.SSID D.EAP
多项选择题 Internet Protocol videoconferencing (IP/VC) provides which two business benefits? （）
单项选择题 How does a switch respond when it receives a message?（）
多项选择题 Which three benefits are provided by the implementation of cisco c-series servers into A virtualized data center environment? （）
