2007年一季度，对所在行业总体运行状况保持乐观的态度的企业家有（)人。A．9348B．9843C．9384D．9438

A.EIGRPadvertisesthebestroutestoitsneighbor

B.EIGRPuses"cost"todeterminebestpath

C.EIGRPallowsunequalcostloadbalancing

D.OSPFrequiresneighboradjacenciesbeforeupdatesaresent

E.EIGRPadvertisesallroutestoitsneighbor

F.OSPFallowsunequalcostloadbalancing

A.Predictablesecurityvulnerabilities

B.Economiesofscale

C.Improvedexpenditureforecasts

D.Increaseddowntime

E.Predictableequipmentobsolescence

F.Consumptionoffewerresources

A.WithIGMPvl，queriesaresenttoaspecificgroup

B.HostsissuingIGMPvlrequestswillbecorrectlyinterpretedbyIGMPv2hostsduetobackwardcompatibility

C.AnIGMPv2routerwillignoreIGMPv2leavemessageswhenIGMFVlhostsarepresent

D.WithIGMFV2，aleavemessageissupported

E.AnIGMPv2hostwillsendanIGMFVlreportonanIGMFVlrouter

F.AnIGMPv2routercanonlyallowIGMPv2hoststoexecuteajoinrequest

A.Layer1status

B.Outputqueuedrops

C.InterfaceCPUutilization

D.Cabletypeconnectedtointerface

E.Layer2status

F.Inputqueuedrops

A.showcryptomapipsecsa

B.showcryptomap

C.showcryptoengineconnectionsactive

D.showipseccryptomap

E.showcryptomapsa

F.showipseccryptomapsa

A.FastswitchingreducesaroutersCPUutilization，comparedtoprocessswitching

B.Allpacketsofaflow，exceptforthefirstpacket，usetheinformationinthefastcache

C.Itcanbeenabledwiththeinterfacecommandiproute-cache

D.Fastswitchingusesafastcachemaintainedinarouter’scontrolplane

E.Thefastcachecontainsinformationabouthowtrafficfromdifferentdataflowsshouldbeforwarded

F.Eventhoughthefastswitchingisenabled，thefirstpacketofaflowisstillprocessswitched

A.configurearchiverunning-config

B.configurereplace

C.copyarchiverunningconfig

D.copystartup-configrunning-config

E.copytftprunning-config

F.configuretftprunning-config

A.OnlywhenthereisaduplicateIPaddresscausedbyacombinationofstaticanddynamicIPaddressallocations

B.Oneachrouterthatexistsbetweentheclientandtheserver

C.Onlywhenarouterseparatestheclientfromtheserver

D.OnlyiftheDHCPseverissuesaDHCPNAKtotheinitialrequest

E.Onlywhentheclientisonthesamesubnetastheserver

F.OnlywhentheDHCPpoolisoutofIPaddresses

A.ThecommandwillinitiateaprobewithadestinationIPaddressof10.1.1.1

B.ThecommandisusedontheIPSLAresponderandtheIPSLAsource

C.Thecommandwillallowonlysourceaddress10.1.1.1tosourceprobes

D.ThecommandwillinitiateaprobewithadestinationTelnetport

E.Thecommandisusedtomaketherouteraresponder

F.Thecommandwillinitiateaprobewithasourceportof23

A.DHCPREQUEST，DHCPOFFER，DHCPDISCOVER，DHCPACK

B.DHCPDISCOVER，DHCPOFER，DHCPREQUEST，DHCPACK

C.DHCPOFFER，DHCPACK，DHCPREQUEST，DHCPDISCOVER

D.DHCPDISCOVER，DHCPREQUEST，DHCPOFFER，DHCPACK

E.DHCPREQUE5T，DHCPDISCOVER，DHCPOFFER，DHCPACK

F.DHCPDISCOVER，DHCPACK，DHCPREQUEST，DHCPOFFER