2024年軟件認(rèn)證工程師考試-思科認(rèn)證筆試歷年真題薈萃含答案

2024年軟件認(rèn)證工程師考試-思科認(rèn)證筆試歷年真題薈萃含答案（圖片大小可自由調(diào)整）第1卷一.參考題庫(共30題)1.What?is?an?ideal?Cisco?solution?to?protect?a?campus?network?and?services?from?potential?security?breaches？（）A、Cisco?Security?Device?ManagerB、Cisco?Security?AgentC、Cisco?VPN?ClientD、Cisco?Intrusion?Detection?System2.Inthe7-layerOSImodel,whichlayerswitchingwilltakeplace?（）A、LayertwoB、LayerfourC、LayeroneD、Layerthree3.FDDI網(wǎng)絡(luò)比令牌環(huán)網(wǎng)（IEEE802.5）更優(yōu)越，主要體現(xiàn)在哪些方面？4.Thecommandframe-relaymapip102broadcastwasenteredontherouter.Whichofthefollowingstatementsistrueconcerningthiscommand（）。A、ThiscommandshouldbeexecutedfromtheglobalconfigurationmodeB、TheIPaddressisthelocalrouterportusedtoforwarddataC、102istheremoteDLCIthatwillreceivetheinformationD、ThiscommandisrequiredforallFrameRelayconfigurationsE、Thebroadcastoptionallowspackets,suchasRIPupdates,tobeforwardedacrossthePVC5.When?do?you?need?to?configure?the?P1?interface？（）A、?whenever?you?have?an?upstream?proxyB、?whenever?you?intend?to?deploy?the?L4TM?in?blocking?modeC、?whenever?you?want?to?enable?the?WSA?proxyD、?whenever?you?have?a?separate?management?VLAN?orsubnetwork6.The?wireless?lan?controller?maintains?up?to?how?many?controller?crash?files？（）A、20B、5C、15D、107.Whatarethreecommonreasonswhycustomersaresayingthattheyneedtoevolvetheirdatacenter?（）A、architecturesthatisinflexibleandinefficientB、desiretousethesamevenderfordesktopandserverdeploymentsC、selectingbest-performingvendorsforeachindividualcomponentD、existingequipmenthasreachedandoflifeE、increasingoperationalcostsofmanagingdatacentersF、demandamongusersforaccesstoinformationanytime,anywhere8.什么思科IOS特性，可以查明，是造成速度慢的網(wǎng)絡(luò)性能的應(yīng)用程序？（）A、?SNMPB、?NetflowC、?WCCPD、?IP?SLA9.Spanning?Tree?Protocol?IEEE?802.1s?defines?the?ability?to?deploy?which?of?these？?（）A、one?global?STP?instance?for?all?VLANsB、one?STP?instance?for?each?VLANC、one?STP?instance?per?set?of?VLANsD、one?STP?instance?per?set?of?bridges10.Which?of?the?following?best?defines?the?Cisco?Lifecycle?Services?approach（）A、the?minimum?set?of?services?that?are?needed?to?successfully?deploy?and?manage?technology?solutionB、system?design?to?help?ensure?selection?of?the?most?appropriate?productsC、business?requirements?and?investments?as?they?pertain?to?asset?lifecycle?managementD、technology?strategies?and?related?product?lifecycles?that?are?required?to?ensure?minimal?risks?and?maximum?return?of?investment11.Which?three?approaches?can?be?used?while?migrating?from?an?IPV4?addressing?scheme?to?an?IPV6?scheme？（）A、statically?map?IPV4?address?to?IPV6?addressesB、configuration?IPv4?tunnels?between?IPV6?islandsC、use?DHCPv6?to?map?IPV4?addresses?to?IPV6?addressesD、use?proxying?and?translation?to?translate?IPV6?packets?into?IPV4?packetsE、configure?IPV6?directlyF、enable?dual-stack?routing12.BGP?Administrative?distance？13.Giventhenetworkdiagram,whichaddresswouldsuccessfullysummarizeonlythenetworksseen?（） A、/24B、/21C、/20D、/21E、Thesenetworkscannotbesummarized.14.Windows?Server?2003/2008系統(tǒng)具有強(qiáng)大的網(wǎng)絡(luò)服務(wù)功能，選用Windows?Server?2003/2008操作系統(tǒng)構(gòu)建一個(gè)中、小型局域網(wǎng)，請(qǐng)寫出系統(tǒng)構(gòu)建方案。?15.WhenisaswitchednetworkthatisrunningtheSpanningTreeProtocolconsideredtobefullyconverged?（）A、whenallswitcheshavethesameBIDastherootswitchB、whenallswitcheshavereceivedtheMACaddressofeachneighboringswitchC、wheneveryenabledswitchporthasbeenassignedauniqueidentifierD、wheneveryoperatingswitchportisineithertheblockingorforwardingstateE、whenallswitchesareineitherclient,server,ortransparentmode16.Which?commands?is?necessary?to?permit?SSH?or?Telnet?access?to?a?cisco?switch?that?is?otherwiseconfigured?for?these?vty?line?protocols？（）A、transport?type?allB、transport?output?allC、transport?preferred?allD、transport?input?all17.計(jì)算機(jī)網(wǎng)絡(luò)按作用范圍（距離）可分為（）、（）和（）；18.Whiletryingtodiagnosearoutingprobleminthenetwork,youissueRIPdebuggingasdisplayedbelow: RtrA#debugiprip Ripprotocoldebuggingison RtrA# 1d05h:RIP:sendingv1updateto55viaFastEthernet0/0() 1d05h:RIP:buildupdateentries 1d05h:networkmetric1 1d05h:networkmetric2 1d05h:RIP:sendingv1updateto55viaSerial0/0() 1d05h:RIP:buildupdateentries 1d05h:networkmetric1 RtrA# 1d05h:RIP:receivedv1updatefromonSerial0/0 1d05h:in1hops 1d05h:192.168.0in16hops(inaccessible) Basedontheoutputoftheaboveexhibit,whichtwoofthefollowingstatementsaretrue?（）A、Apingtowillbesuccessful.B、RtrAhasthreeinterfacesthatwilltakepartintheRIPprocess.C、ThereareatleasttworoutersparticipatingintheRIPprocess.D、Apingtowillbesuccessful.19.簡(jiǎn)述調(diào)制解調(diào)器的主要功能。20.Refer?to?the?exhibit.?Based?upon?the?output?of?show?vlan?on?switch?CAT2， ?what?can?we?conclude??about?interfaces?Fa0/13?and?Fa0/14？?（） A、?that?interfaces?Fa0/13?and?Fa0/14?are?in?VLAN?1B、?that?interfaces?Fa0/13?and?Fa0/14?are?downC、?that?interfaces?Fa0/13?and?Fa0/14?are?trunk?interfacesD、?that?interfaces?Fa0/13?and?Fa0/14have?a?domain?mismatch?with?another?switchE、?that?interfaces?Fa0/13?and?Fa0/14have?a?duplex?mismatch?with?another?switch21.WhichmodeloftheCisco1800SeriesIntegratedServicesRouterisModular?（）A、1812B、1814C、1802D、1811E、184122.Which?three?protocols?should?be?explicitly?managed?by?using?a?CoPP?policy?on?an?Internet?border?router？（）A、SMTPB、ICMPC、BGPD、SSHE、RTPF、BitTorrentG、VTP23.Which?of?the?following?is?not?an?essential?prerequisite?for?AutoQoS?to?be?correctly?applied?to?aninterface？?（Choose?all?that?apply.）（）A、The?interface?must?be?configured?as?a?Multilink?PPP?interfaceB、The?correct?bandwidth?should?be?configured?on?the?interfaceC、A?QoS?policy?must?not?be?currently?attached?to?the?interfaceD、CEF?must?be?enabledE、AutoQoS?must?be?enabled?globally?before?it?can?be?enabled?on?the?interfaceF、An?IP?address?must?be?configured?on?the?interface?if?its?speed?is?equal?to?or?less?than?768?kbps24. 請(qǐng)參見圖示。一臺(tái)默認(rèn)配置的交換機(jī)連接了四臺(tái)主機(jī)。圖示為主機(jī)A的ARP表。當(dāng)主機(jī)A要向主機(jī)D發(fā)送IP數(shù)據(jù)包時(shí)會(huì)發(fā)生什么情況？（）A、主機(jī)A向主機(jī)D的MAC地址發(fā)送了一條ARP請(qǐng)求B、主機(jī)D向主機(jī)A發(fā)送了一條ARP請(qǐng)求C、主機(jī)A向交換機(jī)發(fā)出了數(shù)據(jù)包。交換機(jī)只向主機(jī)D發(fā)送了數(shù)據(jù)包，主機(jī)D隨即響應(yīng)D、主機(jī)A發(fā)出了廣播?FF://FF://FF://FF://FF://FF。連接到交換機(jī)的所有其它主機(jī)都收到了該廣播，主機(jī)D以其MAC地址作出響應(yīng)25.請(qǐng)參見圖示。管理員記錄下一臺(tái)以太網(wǎng)交換機(jī)的?CAM?表輸出，內(nèi)容如圖所示。當(dāng)該交換機(jī)收到圖中底部所示的幀時(shí)，會(huì)進(jìn)行什么操作？（）?A、丟棄該幀B、將該幀從端口?2?轉(zhuǎn)發(fā)出去C、將該幀從端口?3?轉(zhuǎn)發(fā)出去D、將該幀轉(zhuǎn)發(fā)出所有端口E、將該幀從除端口?3?以外的所有端口轉(zhuǎn)發(fā)出去F、在轉(zhuǎn)發(fā)表中將站點(diǎn)?00-00-3D-1F-11-05?添加到端口?226.Cisco自防御網(wǎng)絡(luò)策略提供（）安全服務(wù)A、威脅控制和遏止B、安全通信C、安全策略D、運(yùn)營(yíng)控制和策略管理27.In?IPCC?Express?4.0,?where?is?product?licensing?stored,?and?how?can?configured?licenses?be?viewed?（）A、stored?in?local?files,?viewed?in?CRS?License?Update?Utility??B、stored?in?LDAP,?viewed?in?CRS?Application?Administration??C、stored?in?local?files,?viewed?in?CRS?Application?Administration??D、stored?in?LDAP,?viewed?in?CRS?License?Update?Utility??28.Threeaccessportshavebeeninstalledandconfiguredtoasmalloffice.Whattermdefinesthewirelesstopology?（）A、IBSSB、BSSC、ESSD、SSID29.WhenaDHCPserverisconfigured,whichtwoIPaddressesshouldneverbeassignabletohosts?（）A、networkorsubnetworkIPaddressB、broadcastaddressonthenetworkC、IPaddressleasedtotheLAND、IPaddressusedbytheinterfacesE、manuallyassignedaddresstotheclientsF、designatedIPaddresstotheDHCPserver30.OnaCiscoCatalyst4500Series,thefailLEDislitforoneifitstwopowersupplies.Whichcommandwouldyouusetocheckonthisproblem?（）A、ShowmoduleB、ShowerrdisabledetectC、ShowenvironmentD、Showdiagnosticcontent第1卷參考答案一.參考題庫1.參考答案:D2.參考答案:A3.參考答案: FDDI802.5 光纖 100Mbps 可靠性規(guī)范 4B/5B編碼 分布式時(shí)鐘 令牌循環(huán)時(shí)間 發(fā)送后產(chǎn)生新令牌 屏蔽雙絞線 4Mbps 無可靠性規(guī)范 差分曼徹斯特編碼 集中式時(shí)鐘 優(yōu)先和保留位 接收完后產(chǎn)生新令牌4.參考答案:E5.參考答案:D6.參考答案:B7.參考答案:A,D,E8.參考答案:B9.參考答案:C10.參考答案:A11.參考答案:A,B,F12.參考答案: BGP?has?a?distance?bgp?command?that?allows?you?to?set?different?administrative?distances?for?three?route?types：?external，internal，?and?local. External?route?20 Internal?route?200 Local?route?20013.參考答案:C14.參考答案: XXX小學(xué)校園網(wǎng)方案 該校擬訂的局域網(wǎng)屬中、小型局域網(wǎng)，網(wǎng)絡(luò)系統(tǒng)選用Windows?Server?2003/2008。系統(tǒng)由2臺(tái)服務(wù)器承擔(dān)，開設(shè)Intranet的Web、FTP等信息服務(wù)。根據(jù)校方的要求，設(shè)計(jì)如下： A.服務(wù)器S1為網(wǎng)絡(luò)主域控制服務(wù)器，承擔(dān)域協(xié)議管理、服務(wù)和全域用戶管理。網(wǎng)絡(luò)選用TCP/IP、NETBEUI混合協(xié)議方式，加載與之相關(guān)的協(xié)議服務(wù)；DNS、WINS、DHCP服務(wù)，使得網(wǎng)絡(luò)具有良好的網(wǎng)絡(luò)通訊能力，大大降低因網(wǎng)絡(luò)地址查找的廣播通訊，由于網(wǎng)絡(luò)實(shí)施動(dòng)態(tài)協(xié)議分配，減少站點(diǎn)協(xié)議配置工作量，并增加了網(wǎng)絡(luò)用戶數(shù)擴(kuò)展功能。在S1上可加載數(shù)據(jù)庫服務(wù)，提高網(wǎng)絡(luò)數(shù)據(jù)應(yīng)用和數(shù)據(jù)管理能力。 B.服務(wù)器S2為網(wǎng)絡(luò)信息服務(wù)器，加載IIS，建立局域網(wǎng)內(nèi)部Web、FTP服務(wù)，提高信息服務(wù)能力和安全。該服務(wù)器可加載郵件服務(wù)系統(tǒng)，開展與之相關(guān)的服務(wù)。 本學(xué)校校園網(wǎng)是一個(gè)典型的Intranet技術(shù)應(yīng)用，網(wǎng)絡(luò)系統(tǒng)與客戶系統(tǒng)具有良好的親緣關(guān)系，使得所有與Windows平臺(tái)相關(guān)的應(yīng)用系統(tǒng)如：OFFICE系統(tǒng)、.net、SOL等用于辦公、教學(xué)、管理等隨集隨用，特別易于學(xué)校低成本高速度開發(fā)自己的應(yīng)用系統(tǒng)。15.參考答案:D16.參考答案:D17.參考答案:局域網(wǎng)/LAN；城域網(wǎng)/MAN；廣域網(wǎng)/WAN18.參考答案:A,C19.參考答案: （1）信號(hào)轉(zhuǎn)換 （2）確保信源和信宿兩端同步 （3）提高數(shù)據(jù)在傳輸過程中的抗干擾能力 （4）實(shí)現(xiàn)信道的多路復(fù)用20.參考答案:C21.參考答案:E22.參考答案:B,C,D23.參考答案:A,E24.參考答案:D25.參考答案:E26.參考答案:A,B,D27.參考答案:B28.參考答案:C29.參考答案:A,B30.參考答案:C第2卷一.參考題庫(共30題)1.Which?protocol?does?the?RADIUS?server?use?inside?the?secure?tunnel?of?EAP-FAST?to?authenticatetheclient?when?one-time?passwords?are?in?use？（）A、GTCB、MD5C、MS-CHAP?v2D、PAP2.Which?is?true?when?describing?a?connection?replication?in?Cisco?ACE？（）A、?It?is?not?supported?for?SSL?connections.B、?It?is?not?supported?for?non-SSL?connections.C、?It?can?only?be?configured?manually.D、?It?has?a?maximum?limit?of?50，000?replicated?connections.3.Which?two?statements?about?the?DiffServ?QoS?model?are?true？（）A、DiffServ?requires?RSVP?to?set?up?a?path?through?the?network?to?accommodate?the?requested?QoS.B、Network?traffic?is?identified?by?class，?and?the?level?of?service?is?chosen?for?each?class.C、The?DiffServ?model?relies?on?a?fairly?simple?mechanism?to?provide?QoS?over?a?wide?range?of?equipment.D、RSVP?enables?the?DiffServ?model?to?provide?end-to-end?QoS.E、The?DiffServ?model?is?more?scalable?than?the?IntServ?model.F、The?flow-based?approach?of?the?DiffServ?model?is?ideal?for?large?scalable?implementations?such?as?the?public?Internet.4.You?work?as?a?network?engineer?for?.?You?study?the?exhibit?carefully.?From?the?configuration?shown，? what?can?be?determined？（） Exhibit: A、The?remaining?secure?MAC?addresses?will?be?dynamically?learned，?converted?to?sticky?secure?MAC?addresses，?and?added?to?the?running?configuration.B、Since?a?voice?VLAN?is?configured?in?this?example，?port?security?should?be?set?for?a?maximum?of?2.C、The?sticky?addresses?will?only?be?those?manually?configured?MAC?addresses?enabled?with?the?sticky?keyword.D、A?security?violation?will?restrict?the?number?of?addresses?to?a?maximum?of?10?addresses?per?access?VLAN?and?voice?VLAN.?The?port?will?be?shut?down?if?more?than?10?devices?per?VLAN?attempt?to?access?the?port.5.AcompanyisinstallingIPphones.ThephonesandofficecomputersconnecttothesamedevicE.Toensuremaximumthroughputforthephonedata,thecompanyneedstomakesurethatthephonetrafficisonadifferentnetworkfromthatoftheofficecomputerdatatraffiC.Whatisthebestnetworkdevicetowhichtodirectlyconnectthephonesandcomputers,andwhattechnologyshouldbeimplementedonthisdevice?（）A、hubB、routerC、switchD、STPE、subinterfacesF、VLAN6.Refer?to?the?exhibit.Explain?how?the?routes?in?the?table?are?being?affected?by?the?status?change?on?interfaceEthernet0.（） A、The?router?is?poisoning?the?routes?and?multicasting?the?new?path?costs?via?interface?Ethernet1B、The?router?is?receiving?updates?about?unreachable?networks?from?router?that?are?connected?to?interface

Ethernet1C、The?router?is?poisoning?the?routes?and?broadcasting?the?new?path?costs?via?interfaceEthernet1D、The?router?is?requesting?updates?for?these?networks?from?routers?that?are?connected?to?interfaceEtherne17.BGP?best?route?selection?process?is?based?on?path?attributes.（）A、TrueB、False8.Nexus#?conf?t? Enter?configuration?commands，?one?per?line.?End?with?CNTL/Z.? Nexus（config）#?interface?Loopback10? %?Permission?denied??Nexus（config）#?？? no?Negate?a?command?or?set?its?defaults? username?Configure?user?information.? end?Go?to?exec?mode? exit?Exit?from?command?interpreter? What?is?the?reason?why?this?user?is?not?able?to?enter?configuration?commands？（）A、?The?user?did?not?enter?enable?prior?to?going?into?configuration?mode.B、?The?software?license?installed?on?Nexus?is?Layer?2?only，?which?does?not?allow?the?creation?of?Layer?3?interfaces.C、?The?user?RBAC?role?is?set?to?network-operator.D、?The?user?failed?authentication?and?user?access?defaulted?to?read-only?mode.E、?The?AAA?server?is?currently?not?responding.9.You?work?as?a?network?technician?at?Certkiller?.com.?Please?study?the?exhibit?carefully.?All?of?the?computing?devices?shown?are?on?the?same?logical?network，?as?if?they?were?all?connected?to?the?same?switch.?Which?two?features?make?this?possible？（） A、PATB、802.1QC、Spanning-treeD、VLANsE、QoS10.A?standalone?wireless?AP?solution?is?being?installed?into?the?campus?infrastructure.?The?access?points?appear?to?boot?correctly，?however，?wireless?clients?are?not?obtaining?correct?access.?You?verify?that?the?local?switch?configuration?connected?to?the?access?point?appears?as?the?following：? interface?ethernet?0/1? switchport?access?vlan?10? switchport?mode?access? spanning-tree?portfast? mls?qos?trust?dscp? What?is?the?most?likely?issue?causing?the?problem？（）A、QoS?trust?should?not?be?configured?on?a?port?attached?to?a?standalone?AP.B、QoS?trust?for?switchport?mode?access?should?be?defined?as?"cos".C、switchport?mode?should?be?defined?as?"trunk"?with?respective?QoS.D、switchport?access?vlan?should?be?defined?as?"1".11.下列哪組交互式工具不可以同時(shí)作用于一物體上？（）A、交互式填充與交互式透明B、交互式透明與交互式陰影C、交互式調(diào)和與交互式透明D、交互式封套與交互式變形12.簡(jiǎn)述OSPFOE1和OE2的區(qū)別。13.Which?two?statements?are?true?about?Voice?over?IP?（VoIP）?packet?delivery?in?a?digital?infrastructure？?（）A、?Packets?can?arrive?out?of?order.B、?Packets?must?take?the?same?path?to?the?destination.C、?Once?packets?are?received?at?the?destination?router，?the?router?performs?sampling?to?ensure?the?quality?of?the?voice?traffic.D、?Packets?can?experience?varying?delays?across?the?network.E、?Packets?containing?voice?samples?are?sequentially?numbered?by?default，?allowing?for?reordering?upon?arrival?at?the?terminal?router?along?the?path.14.WhichtwostatementsaretrueaboutInternetGroupManagementProtocol(IGMP)snooping?（）A、IGMPsnoopingandCiscoGroupMembershipProtocol(CGMP)canbeusedsimultaneouslyonaswitch.B、IGMPsnoopingandCiscoGroupMembershipProtocol(CGMP)weredevelopedtohelpLayer3switchesmakeintelligentforwardingdecisionsontheirown.C、IGMPsnoopingexaminesIGMPjoin/leavemessagessothatmulticasttrafficisforwardedonlytohoststhatsentanIGMPmessagetowardtherouter.D、IGMPsnoopingisanIPmulticastconstrainingmechanismforLayer2switches.E、IGMPsnoopingisenabledwiththeipmulticast-routingglobalconfigurationcommand.15.The?Company?is?rolling?out?Cisco’s?Architecture?for?Voice，?Video?and?Integrated?Data?（AVVID）.?? Which?of?the?following?choices?represent?the?fundamental?intelligent?network?services?in?Cisco’s??AVVID？?（）A、?Quality?of?Service?（QoS）B、?Intelligent?platformsC、?Mobility?and?scalabilityD、?SecurityE、?High?availability16.WWW最初是由（）實(shí)驗(yàn)室研制的。A、CERNB、AT&TC、ARPAD、MicrosoftInternetLab17.網(wǎng)絡(luò)管理員是Cisco路由器上配置訪問控制列表，允許來自只的網(wǎng)絡(luò)，，和主機(jī)。哪個(gè)結(jié)合是最好的完成任務(wù)，當(dāng)兩個(gè)ACL語句？（）A、?access-list?10?permit?ip??55.255B、?access-list?10?permit?ip??55.255C、?access-list?10?permit?ip??.255D、?access-list?10?permit?ip??.255E、?access-list?10?permit?ip??.255F、?access-list?10?permit?ip??18.網(wǎng)絡(luò)管理員不能建立一個(gè)telnet會(huì)話與指定路由器。失敗的原因是什么？（） A、A級(jí)5沒有設(shè)置口令B、該VTY口令丟失C、控制臺(tái)密碼丟失D、一個(gè)ACL阻止Telnet訪問19.WhichcommandisusedtoloadaconfigurationfromaTFTPserverandmergetheconfigurationintoRAM？（）A、copyrunning-config:TFTP:B、copyTFTP:running-configC、copyTFTP:startup-configD、copystartup-config:TFTP:20.WhichCiscocollaborationproductlinewillreduceTCO.Improvetheuserexperienceandproductivity,andincreasebusinessrelevance?（）A、customercareB、conferencingC、messagingD、telepresenceE、IPcommunications21.DRAGDROP 22.Router?NetworkTut?is?configured?as?shown?below： Given?the?above?configuration，?which?statement?is?true？（）A、This?device?is?configured?as?a?PPPoE?clientB、This?device?is?configured?as?a?PPPoA?clientC、This?device?is?configured?as?RFC?1483/2684bridgeD、This?device?is?configured?an?an?aggregation?router23.Anetworkadministratorneedstoforceahigh-performanceswitchthatislocatedintheMDFtobecometherootbridgeforaredundantpathswitchednetwork.Whatcanbedonetoensurethatthisswitchassumestheroleasrootbridge（）。A、Establishadirectlinkfromtheswitchtoallotherswitchesinthenetwork.B、AssigntheswitchahigherMACaddressthantheotherswitchesinthenetworkhave.C、Configuretheswitchsothatithasalowerprioritythanotherswitchesinthenetwork.D、Configuretheswitchforfull-duplexoperationandconfiguretheotherswitchesforhalf-duplexoperation.E、ConnecttheswitchdirectlytotheMDFrouter,whichwillforcetheswitchtoassumetheroleofrootbridge.24.Cisco?provides?two?enhancements?to?802.11?security?which?protect?a?WEP?key?from?exploits.?Which?two?technologies?provide?these?security?enhancements？?（）A、802.1XB、Cisco?Temporal?Key?Integrity?Protocol?（CKIP）C、Extensible?Authentication?Protocol-Flexible?Authentication?via?Secure?Tunneling?（EAP-FAST）D、Cisco?Message?Integrity?Check?（CMIC）E、One-Time?Passwords?（OTP）F、Advanced?Encryption?Standard?（AES）25.Which?of?the?following?statements?is?correct?regarding?a?hybridcrypto?system？（）A、?uses?symmetric?crypto?for?keys?distributionB、?uses?symmetric?crypto?for?proof?of?originC、?uses?symmetric?crypto?for?fast?encrypted/decryptionD、?uses?asymmetric?crypto?for?message?confidentialityE、?uses?symmetric?crypto?to?transmit?the?asymmetric?keys?that?is?thenused?to?encrypt?a?session26.網(wǎng)絡(luò)安全中，脆弱性是指網(wǎng)絡(luò)系統(tǒng)中（）的弱點(diǎn)。27.During?which?phase?of?the?steps?to?success?methodology?for?Cisco?SMB?security?solutions?would?the?Network?Readiness?Assessment?be?used?to?assess?the?readiness