单项选择题
A.Prune links that are bidirectional.
B.Eliminate paths with insufficient MTU
C.Eliminate paths of more than 15 hops.
D.Prune links that do not contain the included administrative group.
多项选择题 WhatarethreeRSVPmessages？（）
单项选择题 WhatistheoptimizetimeronanRSVP-signaledLabel-SwitchedPath（LSP）？（）
单项选择题 Given the following LSP configuration， which statement is true？（） label-switched-pathlsp-xyz { to 10.2000.1.1； primarypath1； secondarypath2； secondarypath3； no-cspf； } pathpath1 { 10.200.10.1 strict； } pathpath2 { 10.200.20.1 strict； } pathpath3 { 10.200.30.1loose }