• [单选题]对于路由表,下列说法中正确的是:()
  • 正确答案 :B
  • 在缺省的情况下,如果一台路由器同时运行了RIP和OSPF两种动态路由协议,则在路由表中只会显示OSPF发现的路由,因为OSPF协议的优先级更高


  • [单选题]OSPF骨干区的区域编号为()
  • 正确答案 :C
  • 0.0.0.0


  • [单选题]为了禁止网络210.93.105.0ftp到网络223.8.151.0,允许其他信息传输,则能实现该功能的选项是:()
  • 正确答案 :D
  • access-list 100 deny tcp 210.93.105.0 0.0.0.255 223.8.151.00.0.0.255 eq ftp access list 100 permit ip any any


  • [单选题]对路由器的描述,正确的是()
  • 正确答案 :C
  • 多广播域,单冲突域的设备


  • [单选题]路由器上,设置端口速率的命令是()
  • 正确答案 :B
  • bandwidth


  • [单选题]The Ezonexam corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?
  • 正确答案 :D
  • It will prevent segment 1's broadcasts from getting to segment 2.

  • 解析:解析:Explanation

  • [多选题]Ezonexam is migrating to a private IP addressing scheme. Which of the following describe the use of private IP addresses? (Choose two)
  • 正确答案 :BD
  • Addresses that cannot be routed through the public Internet.

    A scheme to conserve public addresses.

  • 解析:解析:Explanation:

  • [多选题]What are two results of entering the VESwitch(config)# vtp mode client command on a Catalyst switch in the Ezonexam LAN? (Choose two.)
  • 正确答案 :BC
  • The switch will forward VTP summary advertisements

    The switch will process VTP summary advertisements

  • 解析:解析:Explanation:Servermode:VTPservershavefullcontroloverVLANcreationandmodificationfortheirdomains.AllVTPinformationisadvertisedtootherswitchesinthedomain,whileallreceivedVTPinformationissynchronizedwiththeotherswitches.Bydefault,aswitchisinVTPservermode.NotethateachVTPdomainmusthaveatleastoneserversothatVLANscanbecreated,modified,ordeleted,andVLANinformationcanbepropagated.Clientmode:VTPclientsdonotallowtheadministratortocreate,change,ordeleteanyVLANs.Instead,theylistentoVTPadvertisementsfromotherswitchesandmodifytheirVLANconfigurationsaccordingly.Ineffect,thisisapassivelisteningmode.ReceivedVTPinformationisforwardedouttrunklinkstoneighboringswitchesinthedomain,sotheswitchalsoactsasaVTPrelay.Transparentmode:VTPtransparentswitchesdonotparticipateinVTP.Whileintransparentmode,aswitchdoesnotadvertiseitsownVLANconfiguration,andaswitchdoesnotsynchronizeitsVLANdatabasewithreceivedadvertisements.InVTPversion1,atransparent-modeswitchdoesnotevenrelayVTPinformationitreceivestootherswitches,unlessitsVTPdomainnamesandVTPversionnumbersmatchthoseoftheotherswitches.InVTPversion2,transparentswitchesdoforwardreceivedVTPadvertisementsoutoftheirtrunkports,actingasVTPrelays.ThisoccursregardlessoftheVTPdomainnamesetting.

  • [多选题]You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?
  • 正确答案 :ABCD
  • VE1(config) ip route 0.0.0.0 10.1.1.0 10.1.1.1

    VE1(config) ip default-route 10.1.1.0

    VE1(config) ip default-gateway 10.1.1.0

    VE1(config) ip route 0.0.0.0 0.0.0.0 10.1.1.1

  • 解析:解析:Explanation:Thecommand"IProute0.0.0.00.0.0.0quot;$commandisusedtoconfigureadefaultrouteonarouter.Inthiscase,adefaultroutewithanexthopIPaddressof10.1.1.1wasconfigured.IncorrectAnswers:A.Thiswillbeaninvalidroute,sincethe"10.1.1.0"valuewillspecifythenetworkmask,whichinthiscaseisinvalid.B,C.Thesecommandsareinvalid.Thecommand"ipdefault-network"couldbeused,butnot"ipdefault-route"or"ipdefault-gateway".IPdefault-gatewayisusedonswitches,notrouters.

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