CorelDRAW中复制对象的方法有（）

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.

howanattackerwouldcollectinformationwithVLANhopingthroughswitchspoofing.Youshouldtellherthattheattackingstation...（）

A....usesVTPtocollectVLANinformationthatissentoutandthentagsitselfwiththedomaininformationinordertocapturethedata.

B....willgenerateframeswithtwo802.1QheaderstocausetheswitchtoforwardtheframestoaVLANthatwouldbeinaccessibletotheattackerthroughlegitimatemeans.

C....usesDTPtonegotiatetrunkingwithaswitchportandcapturesalltrafficthatisallowedonthetrunk.

D....tagsitselfwithallusableVLANstocapturedatathatispassedthroughtheswitch，regardlessoftheVLANtowhichthedatabelongs.

E.Noneoftheotheralternativesapply

A.ARPspoofingattacksareattemptstoredirecttraffictoanattackinghostbyencapsulatingafalse802.1QheaderonaframeandcausingtraffictobedeliveredtothewrongVLAN.

B.ARPspoofingattacksareattemptstoredirecttraffictoanattackinghostbysendinganARPmessagewithaforgedidentitytoatransmittinghost.

C.MACaddressfloodingisanattempttoforceaswitchtosendallinformationouteveryportbyoverloadingtheMACaddresstable.

D.ARPspoofingattacksareattemptstoredirecttraffictoanattackinghostbysendinganARPpacketthatcontainstheforgedaddressofthenexthoprouter.

E.MACaddressfloodingisanattempttoredirecttraffictoasingleportbyassociatingthatportwithallMACaddressesintheVLAN.

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.

A. EIA/TIA

B. Q.932

C. Q.933A

D. IEEE

E. Cisco

F. Annex D

A.DHCPspoofingandSPANcannotbeusedonthesameportofaswitch.

B.TopreventaDHCPspoofing，theDHCPservermustcreateastaticARPentrythatcannotbeupdatedbyadynamicARPpacket.

C.TopreventaDHCPspoofing，theswitchmusthaveDHCPserverservicesdisabledandastaticentrypointingtowardstheDHCPserver.

D.DHCPspoofingcanbepreventedbyplacingallunusedportsinanunusedVLAN.

E.Noneoftheotheralternativesapply.

A. Show interface lmi

B. Show frame-relay lmi

C. Show interface frame-relay

D. Debug frame-relay interface.

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.

A.Thetrafficwillbeforwardedtotherouterprocessorforfurtherprocessing.

B.Thetrafficwillbedropped.

C.ThetrafficwillbeforwardedtotheTCAMforfurtherprocessing.

D.Thetrafficwillbeforwardedwithoutfurtherprocessing.

A. All the routes are in the passive mode because R1 is in the query process for those routes.

B. R1 is in AS 200.

C. R1 will load balance between three pat hs to reach the 192.168.1.48/28 prefix because all three paths have the same advertised distance (AD) of 40512000.

D. 40512000 is the advertised distance (AD) via 192.168.1.66 to reach the 192.168.1.48/28 prefix.

E. All the routes are in the passive mod e because these routes are in the hold- down state.

F. The best path for R1 to reach the 192.168.1.48/28 prefix is via 192.168.1.66.