单项选择题
In the context of MPLS Traffic engineering， TE path calculation is conducted by（）.
A.TE middle point B.TE tail end C.TE head end D.All TE nodes along the path E.Independent server
单项选择题 WhatisthedefaultSPFthrouttletimerinOSPF？（）
多项选择题 WhichthreechoicesareBGPExtendedcommunitiesusedinMPLS-VPNdeployment？（）
单项选择题 WhenconfiguringMulticastVPN（MVPN）overanMPLScore，boththeDefaultandDataMDTisconfiguredunderwhichconfigurationmode？（）
