CCNA1

CCNA1：网路基础、TCP/IP、OSI、IPv4、子网划分、数据封装

文章目录CCNA1：网络基础、TCP/IP、OSI、IPv4、子网划分、数据封装一、TCP/IP协议栈、OSI七层参考模型：1、OSI七层参考模型：2、TCP/IP四层参考模型：3、比较：4、数据传输过程
Slash · Young·2023-08-18 11:28

CCNA1 V6.0第九章考试答案

1.哪两个特性与UDP会话相关联？（选择两个。）目标设备以最小延迟接收流量。*跟踪传输的数据段。目标设备重新组合消息并将其传递给应用程序。收到的数据未被确认。*重传未确认的数据包。2.如果部分FTP消息未传送到目的地，会发生什么？邮件丢失，因为FTP不使用可靠的传递方法。FTP源主机将查询发送到目标主机。丢失的FTP消息部分将被重新发送。*重新发送整个FTP消息。3.主机设备需要通过网络发送大型视
一川晚照人闲立·2020-08-11 13:43

集线器、路由器、交换机、网关的作用与区别

由于本人一直以来对集线器，路由器，交换机，网关这几个东西的作用有点模糊，本周读了一部分《CCNA1网络基础》，加上在网上搜搜学学，整理了一下。
wenhuifu·2013-01-06 21:55

CCNA1

路由器（router）(一)软件1.        网络操作系统IOS2.        配置文件running-config(活动复印件)，startup-config(备份原本)(二)硬件1.        RAM 随机存储器 功能运行IOS和running-config2.        ROM (只读存储器) 功能存储“微代码”3.        FIASH闪存存储IOS4.       
jiangxinlong521·2010-03-29 21:14

CCNA1

路由器（router）(一)软件1.        网络操作系统IOS2.        配置文件running-config(活动复印件)，startup-config(备份原本)(二)硬件1.        RAM 随机存储器 功能运行IOS和running-config2.        ROM (只读存储器) 功能存储“微代码”3.        FIASH闪存存储IOS4.       
jiangxinlong521·2010-03-29 21:14

OSI的理解

在CCNA1的教程，我看到了。使用OSI术语有助于网络专业人员把握不同网络模
apl330·2009-04-22 21:26

OSI的理解

在CCNA1的教程，我看到了。使用OSI术语有助于网络专业人员把握不同网络模型间的重要会话，使用一套通用的术语，
apl330·2009-04-22 21:26

CCNA1 - Final Exam Answers (04/18/2008 10:30)

1、Whichphysicalnetworktopologyiseasytomonitorandtroubleshoot,easytoaddnewdevicestoasthenetworkexpands,butsubjecttocompletefailurewhenacentralhuborswitchceasestowork?busstarringmesh2、Atechnicianistesti
weiqijun·2008-04-18 17:47

CCNA1 - Final Exam Answers (04/18/2008 10:30)

1、Whichphysicalnetworktopologyiseasytomonitorandtroubleshoot,easytoaddnewdevicestoasthenetworkexpands,butsubjecttocompletefailurewhenacentralhuborswitchceasestowork?busstarringmesh 2、Atechnicianistest
weiqijun·2008-04-18 17:47

CCNA1 - Skills Review Exam Answers (04/16/2008 22:30)

1、Acableinstallationcompanyhasaprojectthatrequires350faceplates,butthecompanyhasonly212onhand.Howmanyfaceplatesneedtobeordered?1481401381341242、WhichcommandcanbeusedtodisplaythecurrentIPaddressandsubn
weiqijun·2008-04-17 08:00

CCNA1 - Practice Final Answers (04/17/2008 10:10)

1、Convertthebinarynumber10111010intoitshexadecimalequivalent.Selectthecorrectanswerfromthelistbelow. 8590BAA1B31C 2、ConverttheHexadecimalnumberA2intoitsBase10equivalent.Selectthecorrectanswerfromtheli
weiqijun·2008-04-16 13:58

CCNA1 - Module 11 Exam Answers (2008-4-13-PM-21:40)

1.WhichportnumbersarecommonlyassignedforFTPuse?(Choosetwo.)•19•20•21•222.Whichapplicationlayerprotocolallowsnetworkdevicestoexchangemanagementinformation?•SMTP•SNMP•FTP•TFTP•EIGRP3.FTPprovidesareliabl
weiqijun·2008-04-09 19:37

CCNA1 - Module 10 Exam Answers (2008-4-13-PM-21:40)

1.Howdoesarouterdecidewherethecontentsofareceivedframeshouldbeforwarded?•bymatchingdestinationIPaddresseswithnetworksintheroutingtable•bymatchingthedestinationIPaddresswithIPaddresseslistedintheARPtab
weiqijun·2008-04-09 19:14

CCNA1 - Module 9 Exam Answers (2008-4-13-PM-21:40)

1.WhataretwofactsabouthowARPresolvesanIPaddresstoaMACaddress?(Choosetwo.)•Theoriginatinghostdynamicallyissuesanarp�CacommandtoobtainthedestinationMACaddress.•TheoriginatinghostbroadcastsanARPrequestpa
weiqijun·2008-04-09 18:28

CCNA1 - Module 8 Exam Answers(2008-4-13-PM-21:40)

1.WhatischaracteristicoftheoperationofaLayer2switch?•forwardsdatabasedonlogicaladdressing•duplicatestheelectricalsignalofeachframetoeveryport•learnstheportassignedtoahostbyexaminingthedestinationMACad
weiqijun·2008-04-09 18:51

CCNA1 - Module 7 Exam Answers (2008-4-13-PM-21:40)

1.WhichEthernetstandarddoestheIEEE802.3standardrecommendforbackboneinstallations?•10BASE-T•100BASE-T•100BASE-FX•1000BASE-LX2.WhichstatementsdescribeGigabitEthernettechnology?(Choosetwo.)•operatesat100
weiqijun·2008-04-09 18:40

CCNA1 - Module 6 Exam Answers (2008-4-13-PM-21:40)

1.Refertotheexhibit.HostAiscommunicatingwithhostF.WhathappenstoaframesentfromhostAtohostFasittravelsovertheEthernetsegments?•Theframeformatismodifiedasitpassesthrougheachswitch.•Theframeformatremainst
weiqijun·2008-04-09 18:08

CCNA1 - Module 5 Exam Answers (2008-4-8-PM-4:30)

1.Refertotheexhibit.Whatistheappropriatecabletouseateachofthenumberednetworkconnections?•1-crossover;2-straight-through;3-crossover;4-straight-through•1-straight-through;2-crossover;3-straight-through
weiqijun·2008-04-09 16:35

CCNA1 - Module 4 Exam Answers (2008-4-8-PM-4:30)

1.ToensurereliableLANcommunications,whatshouldatechnicianbelookingforwhenattachingconnectorstotheendsofUTPcable?•thatthewhite-orange/orangepairisattachedfirst•Thatthewirepairsremaintwistedasmuchasposs
weiqijun·2008-04-09 16:41

CCNA1 - Module 4 Exam Answers (2008-4-8-PM-4:30)

1.ToensurereliableLANcommunications,whatshouldatechnicianbelookingforwhenattachingconnectorstotheendsofUTPcable?•thatthewhite-orange/orangepairisattachedfirst•Thatthewirepairsremaintwistedasmuchasposs
weiqijun·2008-04-09 16:41

CCNA1 - Module 3 Exam Answers (2008-4-8-PM-4:30)

1.WhataretwoadvantagesofusingUTPcableinanetworkingenvironment?(Choosetwo.)•isstifferthanSTP•islessexpensivethanfiber•iseasiertoinstallthancoaxial•provideslongerdistancesthancoaxialprovides•islesssusce
weiqijun·2008-04-09 16:04

CCNA1 - Module 2 Exam Answers (2008-4-8-PM-4:30)

1.WhichlayeroftheOSImodelprovidesnetworkservicestoprocessesinelectronicmailandfiletransferprograms?•datalink•transport•network•application2.Whichofthefollowingaredatalinklayerencapsulationdetails?(Cho
weiqijun·2008-04-09 16:12

CCNA1 - Module 1 Exam Answers (2008-4-8-PM-4:30)

 1.SeveralcomputersinthecompanyrequirenewNICs.AtechnicianhaslocatedagoodpriceontheInternetforthepurchaseoftheseNICs.BeforetheseNICsarepurchasedandinstalled,whatdetailsmustbeverified?(Choosethree.)•the
weiqijun·2008-04-09 16:15
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