单项选择题
A.head-end router
B.branch-point router
C.midpoint router
D.leaf-point router
E.tail-end router
多项选择题 WhichthreestatementsaboutBGPconfederationandroutereflectorsaretrue?()
多项选择题 WhichtwostatementsaboutNTPversion4aretrue?()
多项选择题 Process-levelredundancyisimplementedbyasystemmanagerprocessthatcreatesthestandbyprocess.Whattwofunctionsareprovidedbythesystem-levelprocesscalledQnetSymlinkManager(QSM)?()