单项选择题 ArouterisconnectedtoanHDLCcircuitviaaT1physicalinterface.TheSLAforthislinkonlyallowsforasustainedrateof768kb/s.Burstsareallowedforupto30secondsatuptolinerate，withawindowTcof125ms.WhatshouldtheBcandBesettingbewhenusinggenerictrafficshaping？（）

单项选择题 Refer to the exhibit. You are asked to enable redirection for a network optimization engine that willbe connected directly to your company CPE. What is the correct configuration to enable redirection for traffic optimization？（）

问答题 whattypeofroutecanbeadvertisedtoOSPFtotallystubbyarea？