单项选择题
A. reverse path of the RRO B. least cost to the ingress router C. shortest path to the egress router D. reverse path of the path vector TLV
WhichthreestatementsaboutLabel-SwitchedPaths（LSPs）aretr...
多项选择题Which three statements about Label-Switched Paths （LSPs） are true？ （）
A. LSPs are bidirectional. B. LSPs are unidirectional. C. LSPs can be signaled by CAC. D. LSPs can be configured explicitly. E. LSPs can be configured dynamically.
WhichofthefollowingattributesallowsaVRFtoacceptVPNroute...
单项选择题Which of the following attributes allows a VRF to accept VPN routes from another VRF？ （）
A. route list B. route origin C. route target D. toute distinguisher
WhichattributecanbeassociatedwithanLDP-signaledLSP？（）A....
单项选择题Which attribute can be associated with an LDP-signaled LSP？（）
A. link coloring B. bandwidth reservation C. forwarding equivalence class D. transit label-switch router’s IP address
