单项选择题
A.Rl（config-if）#ipv6 default-information originate
B.Rl（config-router）#ipv6 rip 〈process-name〉 default-information only
C.Rl（config）#ipv6 route ：：/0 null 0
D.Rl（config-if）#ipv6 rip 〈process-name〉 default-information only
E.Rl（config-router）#ipv6 rip route ；：/0 originate
F.Rl（config-router）#aggregate-address ：：/0 summarize-routes
单项选择题 Whichofthefollowingcommandswouldresultinthefollowingoutput：M.M.M（）。
多项选择题 Aroutersimultaneouslyreceivesallthefollowingroutesinvariousroutingupdates.Whichofthefollowingrouteswouldendupintheroutingtable？（Chooseallthatapply.）（）
多项选择题 WhichofthefollowingdatastructuresexistonarouterfortheOSPFroutingprotocol？（）