单项选择题
There are two cabling schemes to choose from when implementing a Cisco CRS-1 multishelf system：single-module cabling and multimodule cabling. What is the maximum capacity of the LCCs that aresupported in multimodule cabling？（）
A.9 LCCs B.7 LCCs C.10 LCCs D.6 LCCs E.8 LCCs
多项选择题 WhichtreeofthesearetypesofEthernetVirtueConnections（EVCs）intheMEFconcept？（）
多项选择题 WhichthreestatementsaboutMPLStrafficengineering（MPLSTE）aretrue？（）
多项选择题 WhichthreeareadvantagesofSONET？（）
