多项选择题
Assume two routers on the same subnet， R1 and R2， both configured for HSRP. R1 has a priority of 120.Which of the following HSRP interface configurations will always result in the R2 becoming the primary？（）
A.standby 1 priority 110 B.standby 1 priority 120 C.standby 1 priority 130 D.standby 1 priority 110 preempt E.standby 1 priority 120 preempt F.standby 1 priority 130 preempt
多项选择题 IftheOSPFprotocolisusedtoconnectcustomeredge（CE）routerstoserviceprovideredge（PE）routersintheVPNbackbone，whichtwooptionsbestdescribetheuseofSHAMlinks？（）
单项选择题 WhatistrueregardingAutonomousSystems（AS）？（）
单项选择题 WhichcommandwilldisplaytheMPLSlabelbindingforIPprefix1.1.1.0ontherouter？（）
