多项选择题
Which two WAN interfaces does the Cisco SRP 520 Series support？ （）
A. passive optical network （PON） B. serial C. Fibre Channel D. Fast Ethernet E. ADSL2+
多项选择题 WhatarethreefeaturesthatareincludedwiththepurchaseofaCiscoSA520？（）
多项选择题 Whichthreepost-salesSmartDesigndocumentsareavailabletohelpyoubetterserveyourcustomers？（）
单项选择题 WhatisthedifferencebetweenCiscoCatalyst2960LANBaseSeriesandCiscoCatalyst2960LANLiteSeries？（）
