CCNA ENetwork Chapter 11.docx

CCNA ENetwork Chapter 11.docx

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CCNAENetworkChapter11

ENetwork Chapter 11 - CCNA Exploration:

 Network

（2009-05-1012:

35:

51）

转载

标签：

it

分类：

CCNA.CISCO.ANSWERS

Postedby SpaceonSunday, May10,2009

1

Refertotheexhibit.WhatcommandwillplacetherouterintothecorrectmodetoconfigureanappropriateinterfacetoconnecttoaLAN?

UBAMA#configureterminal

UBAMA（config）#linevty04

UBAMA（config）#lineconsole0

UBAMA（config）#interfaceSerial0/0/0

**UBAMA（config）#interfaceFastEthernet0/1

2

InaCiscorouter,whendochangesmadetotherunning-configurationtakeeffect?

afterasystemrestart

asthecommandsareentered

whenloggingoffthesystem

**whentheconfigurationissavedtothestartup-configuration

3

Refertotheexhibit.Atechnicianappliestheconfigurationintheexhibittoacleanrouter.Toverifytheconfiguration,thetechnicianissuestheshowrunning-configcommandintheCLIsessionwiththerouter.Whatlinesshouldthetechnicianexpecttoseeintherouteroutputfromtheshowrunning-configcommand?

enablepasswordclass

lineconsole0

passwordccna

enablesecretcisco

enablepasswordclass

lineconsole0

passwordccna

enablesecret5$1$v0/3$QyQWmJyT7zCa/yaBRasJm0

enablepasswordclass

lineconsole0

passwordccna

enablesecretcisco

enablepassword714141E0A1F17

lineconsole0

password7020507550A

**enablesecret5$1$v0/3$QyQWmJyT7zCa/yaBRasJm0

enablepassword714141E0A1F17

lineconsole0

password7020507550A

4

Whennetworkservicesfail,whichportismostoftenusedtoaccessarouterformanagementpurposes?

AUX

Ethernet

**Console

Telnet

SSH

5

Refertotheexhibit.AnetworkadministratoronHostAhasproblemsaccessingtheFTPserver.LayerthreeconnectivitytestingwassuccessfulfromHostAtotheS1interfaceofRouterB.WhichsetofcommandswillallowthenetworkadministratortotelnettoRouterBandrundebugcommands?

RouterB（config）#enablesecretclass

RouterB（config）#linevty04

RouterB（config-if）#login

RouterB（config）#enablesecretclass

RouterB（config）#linevty02

RouterB（config-vty）#passwordcisco

RouterB（config-vty）#login

**RouterB（config）#enablesecretclass

RouterB（config）#linevty0

RouterB（config-line）#passwordcisco

RouterB（config-line）#login

RouterB（config）#enablesecretclass

RouterB（config）#lineaux0

RouterB（config-line）#passwordcisco

RouterB（config-line）#login

RouterB（config）#enablesecretclass

RouterB（config）#lineaux0

RouterB（config-vty）#passwordcisco

RouterB（config-vty）#login

6

Usersinthenetworkareexperiencingslowresponsetimewhendoingfiletransferstoaremoteserver.Whatcommandcouldbeissuedtodetermineiftherouterhasexperiencedanyinputoroutputerrors?

showrunning-config

showstartup-config

**showinterfaces

showiproute

showversion

showmemory

7

Refertotheexhibit.WhichnamescorrectlyidentifytheCLImoderepresentedbythepromptforSwitch-East4#?

（Choosetwo.）

lineconfigurationmode

userexecutivemode

**globalconfigurationmode

privilegedexecutivemode

interfaceconfigurationmode

**enablemode

8

WhatcommandisusedtochangethedefaultrouternametoFontana?

Router#nameFontana

Router#hostnameFontana

Router（config）#nameFontana

**Router（config）#hostnameFontana

9

Theserialconnectionshowninthegraphicneedstobeconfigured.WhichconfigurationcommandsmustbemadeontheSydneyroutertoestablishconnectivitywiththeMelbournesite?

（Choosethree.）

**Sydney（config-if）#ipaddress201.100.53.2255.255.255.0

**Sydney（config-if）#noshutdown

Sydney（config-if）#ipaddress201.100.53.1255.255.255.224

**Sydney（config-if）#clockrate56000

Sydney（config-if）#iphostMelbourne201.100.53.2

10

Refertotheexhibit.TheoutputisshownfortheshowiproutecommandexecutedonRouterA.WhatdoestheIPaddress192.168.2.2represent?

Gatewayforthe192.168.1.0network

Gatewayforthe192.168.3.0network

IPassignedtotheserialportonRouterA

**IPassignedtotheserialportonRouterB

11

Refertotheexhibit.Whatadditionalcommandisrequiredtoallowremoteaccesstothisswitch?

NA-SW1（config-if）#noshutdown

NA-SW1（config）#enablepasswordpassword

**NA-SW1（config）#ipdefault-gatewayaddress

NA-SW1（config-if）#descriptiondescription

12

Immediatelyafteraroutercompletesitsbootsequence,thenetworkadministratorwantstochecktheroutersconfiguration.FromprivilegedEXECmode,whichofthefollowingcommandscantheadministratoruseforthispurpose?

（Choosetwo.）

showflash

showNVRAM

**showstartup-config

**showrunning-config

showversion

13

WhichthreetermscorrectlydefinetheformsofhelpavailablewithintheCiscoIOS?

（Choosethree.）

hotkeys

**context-check

context-sensitive

**structuredcheck

commandoverride

**commandsyntaxcheck

14

Refertotheexhibit.AstudentisresponsiblefortheIPaddressing,configurationandconnectivitytestingofthenetworkshowninthegraphic.ApingfromhostBtohostCresultsinadestinationunreachablebutapingfromhostBtohostAwassuccessful.WhattworeasonscouldaccountforthisfailurebasedonthegraphicandpartialrouteroutputfortheDallasrouter?

（Choosetwo.）

ThehostAisturnedoff.

TheFa0/0interfaceonDallasisshutdown.

TheLANcableisdisconnectedfromhostB.

**TheS0/0/1IPaddressofDallasisimproperlyconfigured.

**TheFa0/0interfaceonDallasisinadifferentsubnetthanhostB.

TheclockrateismissingontheseriallinkbetweenDallasandNYC.

15

WhichcombinationofkeyswouldbeusedattheCLIprompttointerruptapingortracerouteprocess?

**Ctrl-C

Ctrl-P

Ctrl-R

Ctrl-Shift-6

Ctrl-Z

16

TheconnectionbetweenroutersBandChasbeensuccessfullytested.However,afterrebootingrouterC,theadministratornoticedtheresponsetimebetweennetworks10.10.3.0and10.10.4.0isslower.Pingbetweenthetworoutersissuccessful.AtracerouteindicatesthreehopsfromrouterBtorouterC.Whatelsecanbedonetotroubleshoottheproblem?

PingrouterBS0/1connectionfromrouterC.

TracetheconnectionbetweenrouterBtorouterCS0/1.

IssueashowiproutecommandinrouterBtoverifyroutingisenabled.

**IssueashowinterfacescommandonrouterC.

17

InaCiscodevice,whereistheIOSfilestoredpriortosystemstartup?

RAM

ROM

**Flash

NVRAM

19

AnetworkadministratorneedstokeeptheuserID,password,andsessioncontentsprivatewhenestablishingremoteCLIconnectivitywitharoutertomanageit.Whichaccessmethodshouldbechosen?

Telnet

Console

AUX

**SSH