多项选择题
A.configuring EIGRP stubs
B.configuring a second EIGRP AS and redistributing
C.configuring summary addresses
D.configuring an offset-list
E.configuring a prefix-list
F.configuring unicast neighbors
单项选择题 HowdoesanIPv6routerdealwithapacketthatislargerthantheoutgoinginterfaceMTU？（）
单项选择题 WhatistheCiscoIOScommandtoturnonexplicitnullforwardingbyLDP？（）
单项选择题 YouuseOSPFasyournetworkroutingprotocol.YouusethecommandshowiprouteandyouseeseveralroutesdescribedasO，OIA，OE1，andOE2.Whatroutesareinyourarea？（）