多项选择题
Which three steps are used to configure IPv6 in JUNOS software？（）
A.Assign 128-bit router ID B.Enable a routing instance. C.Assign IPv6 addresses to interfaces. D.Add IPv6 family support to interfaces
单项选择题 ArouterreceivesanIPv6packetwhichis2000bytesinlength.TheMTUoftheoutgoinginterfaceis1500bytes.Whatactionwilltheroutertake？（）
单项选择题 WhichroutingtablestoresIPv6routes？（）
单项选择题 WhichroutersmustbeconfiguredwiththesameauthenticationstringwhenconfiguringOSPFauthentication？（）
