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CFG桩施工时桩顶标高应高于设计桩顶标高，这是因为()。

A.设计桩顶标高保留适当厚度的土层，便于施工机械行走

B.成桩时桩顶标高很难和设计桩顶标高一致，因此预留适当高度

C.由于桩顶混合料自重压力较小或受浮浆影响，靠近桩顶一段桩体强度较差

D.增加混合料表面的高度和自重，提高抵抗周围土挤压的能力

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更多“CFG桩施工时桩顶标高应高于设计桩顶标高，这是因为（)。A．…”相关的问题

第1题

Duringstartup，aWindows2000ProfessionalcomputerinyourofficeproceedsdirectlytothedesktopwithoutfirstpromptingforausernameandpasswordfirstYouneedtoenforcelogonrequirements.Whatshouldyoudo？（）

A．ChangetheNetlogonservicestartupsettingtomanual.

B．DisablethedisableCTRL+ALT+DELrequirementforlogonoptioninthelocalgrouppolicy.

C．Incontrolpanel，modifythestartupandrecoverysettingsinthesystemoption.

D．Incontrolpanel，addtheappropriateuseraccountstotheusersandpasswordssetting.

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第2题

Duringstartup,aWindows2000Professionalcomputerinyourofficeproceedsdirectlytothedesktopwithoutfirstpromptingforausernameandpasswordfirst.Youneedtoenforcelogonrequirements.Whatshouldyoudo？（）

A．ChangetheNetlogonservicestartupsettingtomanual.

B．DisabletheDisableCTRL+ALT+DELrequirementforlogonoptioninthelocalgrouppolicy.

C．InControlPanel，modifythestartupandrecoverysettingsinthesystemoption.

D．InControlPanel，addtheappropriateuseraccountstotheUsersAndPasswordssetting.

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第3题

which command is used to enable CHAP authentication whit PAP as the fallback method on a serialinterface?()

A.(config-if)#authentication ppp chap fallback ppp

B.(config-if)#authentication ppp chap pap

C.(config-if)#ppp authentication chap pap

D.(config-if)#ppp authentication chap fallback ppp

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第4题

Refertotheexhibit.ApacketwithasourceIPaddressof192.168.2.4andadestinationIPaddressof10.1.1.4arrivesattheHokesBrouter.Whatactiondoestheroutertake?()

A.forwardsthereceivedpacketouttheSerial0/0interface

B.forwardsapacketcontaininganEIGRPadvertisementouttheSerial0/1interface

C.forwardsapacketcontaininganICMPmessageouttheFastEthernet0/0interface

D.forwardsapacketcontaininganARPrequestouttheFastEthernet0/1interface

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第5题

WhataretwoadvantagesofLayer2Ethernetswitchesoverhubs?()

A.decreasingthenumberofcollisiondomains

B.filteringframesbasedonMACaddresses

C.allowingsimultaneousframetransmissions

D.increasingthesizeofbroadcastdomains

E.increasingthemaximumlengthofUTPcablingbetweendevices

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第6题

Whatdoesthe"InsideGlobal"addressrepresentintheconfigurationofNAT?()

A.thesummarizedaddressforalloftheinternalsubnettedaddresses

B.theMACaddressoftherouterusedbyinsidehoststoconnecttotheInternet

C.agloballyunique，privateIPaddressassignedtoahostontheinsidenetwork

D.aregisteredaddressthatrepresentsaninsidehosttoanoutsidenetwork

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第7题

Whatcanbedoneto securethevirtualterminalinterfacesonarouter?()

A.Administrativelyshutdowntheinterface.

B.Physicallysecuretheinterface.

C.Createanaccesslistandapplyittothevirtualterminalinterfaceswiththeaccess-groupcommand.

D.Configureavirtualterminalpasswordandloginprocess.

E.Enteranaccesslistandapplyittothevirtualterminalinterfacesusingtheaccess-classcommand.

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第8题

Which two statements apply to dynamic access lists?()

A.they offer simpler management in large internetworks.

B.you can control logging messages.

C.they allow packets to be filtered based on upper-layer session information.

D.you can set a time-based security policy.

E.they provide a level of security against spoofing.

F.they are used to authenticate individual users.

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第9题

WhichstatementaccuratelydescribesabenefitprovidedbyVTP?()

A.VTPallowsroutingbetweenVLANs.

B.VTPallowsasingleporttocarryinformationtomorethanoneVLAN

C.VTPallowsphysicallyredundantlinkswhilepreventingswitchingloops.

D.VTPallowsswitchestoshareVLANconfigurationinformation.

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第10题

Inabrute-forceattack,whatpercentageofthekeyspacemustanattackergenerallysearchthroughuntilheorshefindsthekeythatdecryptsthedata?()

A.Roughly50percent

B.Roughly66percent ActualTests.com

C.Roughly75percent

D.Roughly10percent

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