CCNA路由Chapter_2

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1、1窗体顶端Whichaddresscanbeusedtosummarizenetworks172.16.0.0/24thru172.16.7.0/24?172.16.0.0/21172.16.1.0/22172.16.0.0255.255.255.248172.16.0.0255.255.252.0窗体底端2窗体顶端Whathappenstoastaticrouteentryinaroutingtablewhentheoutgoinginterfaceisnotavailable?Therouteisremovedfromthetable.Th

2、erouterpollsneighborsforareplacementroute.Therouteremainsinthetablebecauseitwasdefinedasstatic.Therouterredirectsthestaticroutetocompensateforthelossofthenexthopdevice.窗体底端3窗体顶端Refertotheexhibit.WhichstaticrouteshouldbeconfiguredonRouter1sothathostAwillbeabletoreachhostBonth

3、e172.16.0.0network?iproute192.168.0.0172.16.0.0255.255.0.0iproute172.16.0.0255.255.0.0192.168.0.1iproute172.16.0.0255.255.0.0S0/0/1iproute172.16.0.0255.255.0.0S0/0/0窗体底端4窗体顶端Refertotheexhibit.WhichsetofcommandswillconfigurestaticroutesthatwillallowtheWinterParkandtheAltamont

4、erouterstodeliverpacketsfromeachLANanddirectallothertraffictotheInternet?WinterPark(config)#iproute0.0.0.00.0.0.0192.168.146.1Altamonte(config)#iproute10.0.234.0255.255.255.0192.168.146.2Altamonte(config)#iproute0.0.0.00.0.0.0s0/1WinterPark(config)#iproute0.0.0.00.0.0.0192.1

5、68.146.1Altamonte(config)#iproute10.0.234.0255.255.255.0192.168.146.2Altamonte(config)#iproute198.18.222.0255.255.255.255s0/1WinterPark(config)#iproute172.191.67.0255.255.255.0192.168.146.1WinterPark(config)#iproute0.0.0.00.0.0.0192.168.146.1Altamonte(config)#iproute10.0.234

6、.0255.255.255.0192.168.146.2WinterPark(config)#iproute172.191.67.0255.255.255.0192.168.146.1Altamonte(config)#iproute10.0.234.0255.255.255.0192.168.146.2Altamonte(config)#iproute0.0.0.00.0.0.0s0/0窗体底端5窗体顶端Refertotheexhibit.Whatisthesignificanceofthe/8intheroutetothe10.0.0.0n

7、etwork?Itindicatesthatthereare8hopsbetweenthisrouterandthe10.0.0.0network.Itrepresentsthetime,inmilliseconds,ittakesforapingtoreplywhensenttothe10.0.0.0network.Itindicatesthatthereare8subnetsinthedestinationnetworktowhichtheroutercanforwardpackets.Itindicatesthenumberofconse

8、cutivebits,fromtheleft,inthedestinationIPaddressofapacketthatmustmatch10.0.