多项选择题 ThecoreofanetworkhasfourroutersconnectedinasquaredesignwithGigabitEthernetlinksusing/30subnets.Thenetworkisusedtocarryvoicetrafficandotherapplications.Convergencetimeistakingmorethanexpected.WhichthreeactionswouldyoutaketoimproveOSPFconvergencetime？（）
问答题 whatistheNAToverloading？
问答题 what does three entries of the diagram mean？ 给一张show ip bgp如下