单项选择题
Is an open standard promotes interoperability among the wireless client adapters and dial-inservers 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 Avirtualized data center environment? （）
