A. debug eigrp packets
B. show ip eigrp traffic
C. debug ip eigrp
D. show ip eigrp interfaces
第2题
A. When summarization is configured, the router will also create a route to null 0.
B. The summary route remains in the route table, even if there are no more specific routes to the network.
C. Summarization is configured on a per- interface level.
D. The maximum metric for the specific routes is used as the metric for the summary route.
E. Automatic summarization across major network boundaries is enabled by default.
第3题
howanattackerwouldcollectinformationwithVLANhopingthroughswitchspoofing.Youshouldtellherthattheattackingstation...()
A....usesVTPtocollectVLANinformationthatissentoutandthentagsitselfwiththedomaininformationinordertocapturethedata.
B....willgenerateframeswithtwo802.1QheaderstocausetheswitchtoforwardtheframestoaVLANthatwouldbeinaccessibletotheattackerthroughlegitimatemeans.
C....usesDTPtonegotiatetrunkingwithaswitchportandcapturesalltrafficthatisallowedonthetrunk.
D....tagsitselfwithallusableVLANstocapturedatathatispassedthroughtheswitch,regardlessoftheVLANtowhichthedatabelongs.
E.Noneoftheotheralternativesapply
第4题
A.ARPspoofingattacksareattemptstoredirecttraffictoanattackinghostbyencapsulatingafalse802.1QheaderonaframeandcausingtraffictobedeliveredtothewrongVLAN.
B.ARPspoofingattacksareattemptstoredirecttraffictoanattackinghostbysendinganARPmessagewithaforgedidentitytoatransmittinghost.
C.MACaddressfloodingisanattempttoforceaswitchtosendallinformationouteveryportbyoverloadingtheMACaddresstable.
D.ARPspoofingattacksareattemptstoredirecttraffictoanattackinghostbysendinganARPpacketthatcontainstheforgedaddressofthenexthoprouter.
E.MACaddressfloodingisanattempttoredirecttraffictoasingleportbyassociatingthatportwithallMACaddressesintheVLAN.
第5题
A. An EIGRP route will go active if there are no successors or feasible successors in the EIGRP topology table.
B. An EIGRP route will go passive if there are no successors in the EIGRP topology table.
C. DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state.
D. A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to.
E. The stuck in active state is caused when the wait for the query replies have timed out.
F. EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.
第6题
A. EIA/TIA
B. Q.932
C. Q.933A
D. IEEE
E. Cisco
F. Annex D
第7题
A.DHCPspoofingandSPANcannotbeusedonthesameportofaswitch.
B.TopreventaDHCPspoofing,theDHCPservermustcreateastaticARPentrythatcannotbeupdatedbyadynamicARPpacket.
C.TopreventaDHCPspoofing,theswitchmusthaveDHCPserverservicesdisabledandastaticentrypointingtowardstheDHCPserver.
D.DHCPspoofingcanbepreventedbyplacingallunusedportsinanunusedVLAN.
E.Noneoftheotheralternativesapply.
第8题
A. Show interface lmi
B. Show frame-relay lmi
C. Show interface frame-relay
D. Debug frame-relay interface.
第9题
A. A hub router prevents routes from being advertised to the remote router.
B. Only remote routers are configured as stubs.
C. Stub routers are not queried for routes.
D. Spoke routers connected to hub routers answer the route queries for the stub router.
E. A stub router should have only EIGRP hub routers as neighbors.
F. EIGRP stub routing should be used on hub routers only.
第10题
A.Thetrafficwillbeforwardedtotherouterprocessorforfurtherprocessing.
B.Thetrafficwillbedropped.
C.ThetrafficwillbeforwardedtotheTCAMforfurtherprocessing.
D.Thetrafficwillbeforwardedwithoutfurtherprocessing.
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