2024年软件认证工程师考试-思科认证笔试参考题库含答案

“人人文库”水印下载源文件后可一键去除，请放心下载！（图片大小可任意调节）2024年软件认证工程师考试-思科认证笔试参考题库含答案“人人文库”水印下载源文件后可一键去除，请放心下载！第1卷一.参考题库(共75题)1.Which two statements are true about the Wi-Fi Protected Access （WPA） and Wi-Fi Protected Access version 2 （WPA2） security solutions？（）A、both WPA and WPA2 require authentication support via IEEE 802.1 x and Pre-Shared Key （PSK）B、both WPA and WPA2 address all known Wired Equivalent Privacy （WEP） vulnerabilities in the IEEE 802.11i security implementationC、WPA is supported on client devices only. WPA2 is supported on both access point （AP） and client devicesD、WPA provides only a standard for authentication. WPA2 provides a standard for authentication and encryptionE、WPA requires encryption support via Temporal Key Integrity Protocol （TKIP） WPA2 provides encryption support via （symmetric block cipher）AES-CCMP2.Refertotheexhibit.Whichstatementistrueabouttheconfiguration?（） A、RTAwillnotestablishanOSPFadjacencywithRTBB、RTAwillsendOSPFhellopackets,butwillnotsendOSPFupdatesC、RTAwillnotacceptOSPFhellopacketsfromRTBD、RTAwillsendOSPFupdates,butwillnotestablishanadjacencywithRTB3.一个不多于50台主机的网络，合适它的掩码是多少？4.InwhichareaofthecampusLANaretheusercomputersattachedtothenetwork?（）A、coreB、accessC、distributionD、aggregation5.How does the Extended Get Digit String step differ from the Get Digit String? （）A、It can be used in conjunction with another step. B、It allows the application programmer into another section of the application. C、Most of the Extended Get Digit String variables can be changed while the application is running. D、It allows the entry of a Boolean expression for the Interruptible and Clear DTMF Buffer on Retry fields.6.RouterR1learnstworouteswithBGPforprefix/16.Comparingthetworoutes,route1hasalongerAS_PathLength,biggerMED,biggerWeight,andsmallerLocalPreferencE. WhichofthefollowingistrueaboutRouterR1'schoiceofbestpathforthisprefix?（）A、Route1isthebestroute.B、Route2isthebestroute.C、Theroutestieasbest,butonewillbepickedtobeplacedintheroutingtablebasedontiebreakers.D、Neitherrouteisconsideredbest.7.Whatisthedefaultmaximumnumberofequal-costpathsthatcanbeplacedintotheroutingofaciscoOSPFrouter?（）A、16B、2C、unlimitedD、48.ThefollowingoutputonRouterR1listsdetailsofaBGProutefor/16.Whichofthefollowingistruebasedonthisoutput?（） R1#showipbgp19/16 BGProutingtableentryfor/16,version121 Paths:(1available,best#1,tableDefault-IP-Routing-Table) Advertisedtoupdate-groups: 1 1234 from() OriginIGP,metric0,localpref100,valid,internal,bestA、R1hasaneighborcommandconfigured.B、R1hasaneighborcommandconfigured.C、Theshowipbgpcommandlistsalinefor/16withbothan">"andan"i"ontheleft.D、R1isinASN1.9.Which three statements about anycast RP are true？ （）A、MSDP is running between anycast RPsB、Anycast RP provides redundancy and load-sharing capabilitiesC、Multicast BGP is running between anycast RPsD、In anycast RP，two or more RPs are configured with the same multicast IP address on loopbackinterfacesE、In anycast RP，two or more RPs are configured with the same unicast IP address on loopbackinterfaces10.whichaddressrangeefficientlysummarizestheroutingtableoftheaddressesforroutermain?（）A、/18B、/16C、/20D、/2111.WhichtwoarefeaturesofIPv6?（）A、multicastB、broadcastC、allcastD、podcastE、anycast12.Aroutingprotocolisrequiredthatsupports: 1)routingupdateauthentication 2)anaddressingschemethatconservesIPaddresses 3)multiplevendors 4)anetworkwithover50routersWhichroutingprotocolfulfillstheserequirements（）。A、RIPv1B、RIPv2C、EIGRPD、OSPF13.Whichcommandshowssystemhardwareandsoftwareversioninformation？（）A、showconfigurationB、showenvironmentC、showinventoryD、showplatformE、showversion14.When you create a network implementation VLAN solution， what is one procedure that you should include in your plan？（）A、Perform an incremental implementation of components.B、Following the PPDIOO model， implement the entire solution and then test end-to-end to make sure that it is performing as designed.C、Implement trunking of all VLANs to ensure that traffic is crossing the network as needed before performing any pruning of VLANs.D、Test the solution on a segmented portion of a lab network prior to rolling out across the entire network.15.为了确保数据接收的正确性，必需保持同步传输方式。16.以下关于页面背景说法正确的是（）A、只能是位图B、只能是纯色C、不能被打印D、可以嵌入文档17.在贝塞尔工具绘制曲线过程中得到一个尖突的方法有：（）A、绘制时按S键B、绘制时按“Make Node a Cusp”按键C、绘制时按C键D、没有办法18.The Company network administrator has entered the "auto qos voip cisco-phone" command on  switch R1.  What does this command do？（）A、It disables the trust boundary feature because the switch knows a Cisco IP phone is attached.B、The switch assigns a CoS value of 5 to incoming packets.C、If a Cisco IP phone is attached and removed， the switch continues to trust the CoS values as  long as the switch is not rebooted.D、It turns on STP to see if a Cisco IP phone is attached.E、If a Cisco IP phone is attached， the switch trusts the CoS.F、None of the other alternatives apply.19.YouarethenetworkadministratoratTestKing.TestKinghasbeenassignedtheclassCIPaddressbyitsInternetServiceProvider.Ifyoudividethenetworkrangebyusingthe24subnetmask,howmanyhostscanbesupportedoneachnetwork?（）A、14B、16C、30D、32E、62F、6420.Which statement about a Service Profile is most accurate?（）A、associated with a pool of bladesB、represents a group of physical bladesC、stores connectivity requirements21.You are the Cisco Network Designer in C. What is the term for a logical SAN whichprovides isolation among devices physically connected to the same fabric？（）A、 InterSwitch LinkB、 Virtua LANC、 Virtual Output QueuingD、 virtual storage area network22.下列关于链路状态算法的说法正确的是（）。A、链路状态是对路由的描述B、链路状态是对网络拓扑结构的描述C、链路状态算法本身不会产生自环路由D、OSPF使用链路状态算法23.In which modes does selective packet discard（SPD）operate？（）A、normalB、discardC、randomD、 full24.Whichdosetheframe-relayinterface-dlcicommandconfigure?（）A、remoteDLCIonthemaininterfaceB、localDLCIonthemaininterfaceC、localDLCIonthesubinterfaceD、remoteDLCIonthesubinterface25.DHCP snooping on Cisco Nexus 1000V Series Switches acts like a firewall between untrusted hosts and trusted DHCP servers by doing which of these？ （）A、 validates DHCP messages received from untrusted sources and filters out invalid response messages from DHCP serversB、 intercepts all ARP requests and responses on untrusted portsC、 builds and maintains the DHCP snooping binding database， which contains information about untrusted hosts with leased IP addressesD、 uses the DHCP snooping binding database to validate subsequent requests from untrusted hostsE、 limits IP traffic on an interface to only those sources that have an IP-MAC address binding table entry or static IP source entry26.Why does the data communication industry use the layered OSI reference model? (Choose two.)（）A、It divides the network communication process into smaller and simpler components， thus aiding component development， design， and troubleshooting.B、It enables equipment from different vendors to use the same electronic components， thus saving research and development funds.C、It supports the evolution of multiple competing standards， and thus provides business opportunities for equipment manufacturers.D、It encourages industry standardization by defining what functions occur at each layer of the model.E、It provides a means by which changes in functionality in one layer require changes in other layers.27.WhatisthemeaningofthedefaultvalueoftheEIGRPvariancecommandof1?（）A、Onlythepaththatisthefeasiblesuccessorshouldbeused.B、Loadbalancingisdisabledonthisrouter.C、Therouteronlyperformsequal-costloadbalancingonallpathsthathaveametricgreaterthan1D、Therouterperformsequal-costloadbalancing.28.What is the use of an "all configuration" backup in Cisco UCS？（）A、 Can be used to migrate from a 6120 to a 6140 and retain the same service profilesB、 Can only be used on the fabric interconnect on which it was createdC、 Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster informationD、 Can be used to match firmware versions between 6120 and 6140 during a migration29.WhichcommandshowsyouractiveTelnetconnections?（）A、showsessionB、showcdpneighborsC、showusersD、showqueue30.AtLayer2oftheOSImodel,whichcomponentconnectsahosttothenetworkmedia?（）A、HubB、SwitchC、BridgeD、NICE、Transceiver31.whichaddressrangeefficientlysummarizestheroutingtableoftheaddressesforroutermain?（）A、/18B、/16C、/20D、/2132.IPv6任播地址的特点是什么？（）A、多对多通信模型B、数据包传送到该组接口，转发到最近的节点C、一对多通信模型D、同组中多个接口共用一个地址E、发送到任播地址的分组被转发到最近的端口（节点）F、组中每个节点有一个唯一的IV6地址（每台设备可以有一个以上的端口，所以用节点来表示）33.In addition to writing information to a trace file, the Cisco CRS System sends standard event logging messages to a syslog server through which service?（）A、SNMP TrapB、Alarm  C、CDP  D、Win3234.A blinking green led indicates which of the following conditions on a cisco 1030 remote edge ap？（）A、startupB、site survey modeC、lost connection to the controllerD、duplicate ip address35.WhichofthesecorrectlyidentifiesthesixphasesoftheCiscoLifecycleServicesframework?（）A、Prepare,Plan,Create,Implement,Operate,andImproveB、Prepare,Plan,Design,Implement,Operate,andOptimizeC、Prepare,Plan,Design,Apply,Operate,andManageD、Prepare,Plan,Design,Implement,OperateandManage36.下面哪项交换机的功能能实现关闭正在接受BPDU且配置了PortFast接口？（）A、 BackboneFastB、 UplinkFastC、 Root GuardD、 BPDU GuardE、 BPDU Filter37.ThecorporateheadofficeofTestKinghasateleconferencingsystemthatusesVOIP(voiceoverIP)technology.ThissystemusesUDPasthetransportforthedatatransmissions.IftheseUDPdatagramsarriveattheirdestinationoutofsequence,whatwillhappen?（）A、UDPwillsendanICMPInformationRequesttothesourcehost.B、UDPwillpasstheinformationinthedatagramsuptothenextOSIlayerintheorderthattheyarrive.C、UDPwilldropthedatagrams.D、UDPwillusethesequencenumbersinthedatagramheaderstoreassemblethedatainthecorrectorder.E、UDPwillnotacknowledgethedatagramsandwaitforaretransmissionofthedatagrams.38.Deployingtheciscounifiedcomputingsystemplatformintothedatacenterprovideswhichtwobenefits?（）A、serverreplacementisaseasyasreplacingthephysicalbladeB、storage,computingandnetworkingservicesarecombinedontoonebladeC、itisApra-as-you-goincrementaldeploymentD、onlyoneconfigurationisusedforallbladesE、itleverageslow-speedinterfaces39.Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？ （）A、 The three required steps in the analog to digital conversion are sampling， encoding， and compression.B、 The three required steps in the analog to digital conversion are sampling， quantization， and compression.C、 The three required steps in the analog to digital conversion are sampling， quantization， and encoding.D、 The output of the sampling process is a pulse code modulation （PCM） signal.E、 The output of the sampling process is a pulse amplitude modulation （PAM） signal.40.Refertotheexhibit.ROUTE.comisplanningtoimplementloadbalancingfortrafficbetweenhostsonthe/24and172.16.20./24networks.Youhavebeenaskedtoreviewtheimplementationplanforthisproject.Whichstatementabouttheplanistrue?（） A、Itiscompleteaswritten.B、ItshouldincludeatasktoconfigureEIGRPmultipathequalto2onR1andR4.C、ItshouldincludeatasktoimplementOSPFbecauseithandlesunequalcostloadbalancingmostefficientlyusingvariance.D、Itshouldincludeataskthatestablishesabaselinebeforeandaftertheconfigurationhasbeenchanged.41.WhichtwoEthernetfiber-opticmodessupportdistancesofgreaterthan550meters?（）A、1000BASE-CXB、100BASE-FXC、1000BASE-LXD、1000BASE-SXE、1000BASE-ZX42.WhichtechnologymanagesmulticasttrafficatLayer2byconfiguringLayer2LANinterfacesdynamicallytoforwardmulticasttrafficonlytothoseinterfacesthatwanttoreceiveit?（）A、IGMPB、IGMPsnoopingC、PIM-DMD、DVMRPE、MOSPF43.Which three statements about firewall modes are correct？ （）A、 A firewall in routed mode has one IP addressB、 A firewall in transparent mode has one IP addressC、 In routed mode， the firewall is considered to be a Layer 2 dewD、 In routed mode， the firewall is considered to be a Layer 3 deviceE、 In transparent mode， the firewall is considered to be a Layer 2 deviceF、 In transparent mode， the firewall is considered to be a Layer 3 device44.Which components of the UCS solution include beacon LEDs?（）A、monitorsB、fabric interconnectC、bladesD、expansion modulesE、chassis45.The ios of a north american cisco aironet 1130ag series standalone access point has become corrupt. you must therefore reload the tftp firmwarE. before you press and hold the mode button， you should verify that the file name is which of the following？（）A、c1130-k9w7-tar.bootB、c1130-k9w7-tar.123-7.ja1.tarC、c1130-k9w7-tar.defaultD、c1130-k9w7-tar.recover46.Which information is stored in the stateful session flow table while using a stateful firewall？（）A、the inside private IP address and the translated inside global IP addressB、the source and destination IP addresses， port numbers，TCP sequencing information， and additionalflags for each TCP or UDP connection associated with a particular sessionC、the outbound and inbound access rules （ACL entries）D、all TCP and UDP header information only47.Whichthreearefeaturesoftheintegratedservicesrouters?（）A、VPNaccelerationB、voicemailC、anti-XD、wirelessLANE、fixedconfigurationF、IPS48.以下那些是安全审计工具（）A、思科一步锁闭B、安全审计向导C、思科自动安全D、一键关闭49.AtechnicianatTestKingneedstoupdatethenetworkdocumentation.OneofthetasksincludesdocumentingthenameoftheIOSimagefileofeachrouterinthenetwork.Whichcommandscouldbeusedtofindthisinformation?（）A、Router#showprotocolsB、Router#showversionC、Router#showimageD、Router#showIOSE、Router#showflash50.WhichcomponentoftheCisco800,1800,2800,and3800SeriesISRscanbeusedtoenableimportantsecurityandstoragecapabilities?（）A、onboardUSB1.1portsB、inlinePoEC、EthernetbackupportD、BRI51.WhatSNMPmessagealertsthemanagertoaconditiononthenetwork?（）A、responseB、trapC、cetD、capture52.Refer to the exhibit. In this network， R1 is configured not to perform autosummarization within EIGRP. What routes will R3 learn from R2 through EIGRP？（） A、/24 and /24； EIGRP only performs autosummarization at the edge between two major networks.B、/16 and /24； R2 will perform autosummarization， although R1 will not.C、Since R2 is configured without autosummarization， it will not propagate the /24 route.D、/8 and /8.53.Given a bridge link 6 miles （9.7 km） long，which parameter on the Root Radio Interface page mustbe configured in order for IP traffic to pass？（）A、RTSB、distance（kilometers）C、concatenationD、CCA54.WhyisanOC-32F-BLSRnotfeasible?（）A、Switchtimeswouldexceed50msforanOC-3BLSRring.B、Anequalamountofworkingandprotectbandwidthisrequired.C、DCCbandwidthisnotlargeenoughtohandleK1/K2processing.D、ThereisnotenoughbandwidthinanOC-3ringtojustifyBLSRprotection.55.Which of the following statements is true when associating b1ades with different mezzanine cards to the sameservice profile?（）A、The blade association will failB、The storage adapter wi11 not bevisib1e to the OSC、The UCSM wizard will replace the driver in the OS service profileD、The IP Address associated with the b1ade will not follow the service profile56.The RiskRating for anIPS signatureis calculatedusing four primary components. Select the four components below.   （）A、 SignatureFidelity RatingB、 Alert Severity RatingC、 Exploit Probability RatingD、 Target Value RatingE、 Attack Relevancy Rating57.Examine the diagram. A network administrator has recently installed the above switched network using 3550s and would like to control the selection of the root bridge. Which switch should theadministrator configure as the root bridge and which configuration command must theadministrator enter to accomplish this？（）A、DSW11（config）# spanning-tree vlan 1 priority 4096B、DSW12（config）# set spanning-tree priority 4096C、ASW13（config）# spanning-tree vlan 1 priority 4096D、DSW11（config）# set spanning-tree priority 4096E、DSW12（config）# spanning-tree vlan 1 priority 4096F、ASW13（config）# set spanning-tree priority 409658.WhataretwobenefitsofusingVTPinaswitchingenvironment?（）A、Itallowsswitchestoreadframetags.B、ItallowsportstobeassignedtoVLANsautomatically.C、ItmaintainsVLANconsistencyacrossaswitchednetwork.D、ItallowsframesfrommultipleVLANstouseasingleinterface.E、ItallowsVLANinformationtobeautomaticallypropagatedthroughouttheswitchingenvironment.59.You have just purchased a new Cisco 3560 switch running the enhanced IOS and need configure  it to be installed in a high availability network. On a 3560 EMI switch，  which three types of  interfaces can be used to configure HSRP？（）A、 SVI interfaceB、 Access portC、 EtherChannel port channelD、 Loopback interfaceE、 Routed portF、 BVI interface60.Which statement is correct regarding the aaa configurations based on the exhibit provided？（） A、The authentication method list used by the vty port is named test.B、If the TACACS+ AAA server is not available， no users will be able to establish a Telnet session with therouter.C、If the TACACS+ AAA server is not available， console access to the router can be authenticated usingthe local database.D、The authentication method list used by the console port is named test.61.WhatdoesarouterdoifithasnoEIGRPfeasiblesuccessorroutetoadestinationnetworkandthesuccessorroutetothatdestinationnetworkisinactivestatus?（）A、Itroutesalltrafficthatisaddressestothedestinationnetworktotheinterfaceindicatesintheroutingtable.B、Itsendsacopyofitsneighbortabletoalladjacentrouters.C、Itsendsamulticastquerypackettoalladjacentneighborsrequestingavailableroutingpathstothedestinationnetwork.D、ItbroadcastsHellopacketstoallroutersinthenetworktore-establishneighboradjacencies.62.WhichtwooptionsarebenefitsoftheCiscoTechnicalAssistanceCenter?（）A、Enhancesnetworkand/orapplicationavailability,reliabilityandstabilityB、Providesrapidfaultisolationinacomplexenvironment,leadingtoquickresolutionC、IncreasethePerformanceofcurrentFeaturesD、ProcessesbroadExpertiseinCiscotechnologies63.what is anycast address （Ipv6）？64.WhichofthefollowingisanewproductthatisincludedintheCiscoSMBSupportAssistant?（）A、CiscoUnityExpressB、CiscoUnifiedCallManagerC、CiscoUnityD、CiscoUnifiedCallManagerExpress65.A 2.5 Gb/s （OC-48 or STM-16） optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion.  How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km？（）A、 noneB、 oneC、 twoD、 threeE、 four66.Which two of the following options are categories of Network Maintenance tasks？（）A、FirefightingB、Interrupt-drivenC、Policy-basedD、StructuredE、Foundational67.WhichofonethefollowingfieldsiscontainedwithinanIEEEEthernetframeheader?（）A、sourceanddestinationMACaddressB、sourceMACaddressanddestinationnetworkaddressonlyC、sourceanddestinationnetworkaddressonlyD、sourcenetworkaddressanddestinationMACaddressE、sourceanddestinationMACaddressandsourceanddestinationnetworkaddress68.TheML-seriesEthernetcardontheONS15454providesupto（）activeQ-in-Qinstancespercard.A、255B、512C、1024D、409669.Drag the IPsec protocol description from the above to the correct protocol type on the below.（Notall descriptions will be used） Drag and Drop question， drag each item to its proper location. 70.Exhibit： Assuming that VLAN 1 and VLAN 2 traffic is enabled on the above network， what effect will thefollowing command have when entered on port 0/2 on switch SWA？（） spanning-tree vlan 1 port-priority 16A、VLAN 1 traffic will be blocked on Switch SWB port 1/1B、VLAN 2 traffic will be blocked on Switch SWB port 1/1C、VLAN 2 traffic will be blocked on Switch SWA port 0/2D、VLAN 1 and 2 traffic will be blocked on Switch SWA port 0/1E、VLAN 1 and 2 traffic will be blocked on Switch SWA port 0/271.what is RPF（ Reverse Path Forwarding ）？72.Refertotheexhibit.OSPFhasbeenconfiguredonallroutersinthenetworkandArea1hasbeenconfiguredasaNSSA.WhichstatementistrueabouttheNSSAArea1？（） A、OnlyredistributedRIProuteswillappearinArea1.Theywillbeadvertisedviatype7LSAsB、NoredistributedroutescanappearinArea1,onlysummaryroutesC、RedistributedRIPandIGRProuteswillappearinArea1.Theywillbeadvertisedviatype5LSAsD、OnlyredistributedIGRProuteswillappearinArea1.Theywillbeadvertisedviatype7LSAs73.WhatarefourusesoftheUSBportsintheCiscointegratedservicesrouters?（）A、SecureDeviceAuthenticationB、RemoteAdministrationC、BulkFlashstorageD、SecureConfigurationFilesDistributionE、StorageofRemovableCredentialsF、IncreaseRAMMemoryfortheRouter74.You are designing a solution that needs to support 30 IP phone users. Which switch model and how many switches does the Cisco Single-Site Secure Network Foundation1.1 Desing and Implementation Guide suggest for the solution？（）A、1 Catalyst Express 500G-12TC,1 Catalyst 3750G-12S-SB、1 Catalyst 3750G-12S-S,1 Catalyst Express 500-24PCC、2 Catalyst Express 500G-12TCD、2 Catalyst 3750G-12S-S,1 Catalyst Express 500-24PCE、2 Catalyst Express 500-24PCF、2 Catalyst 3750G-12S-S75.Refertotheexhibit.Thenetworkshowninthediagramisexperiencingconnectivityproblems.Whichofthefollowingwillcorrecttheproblems?（） A、ConfigurethegatewayonHostAas.B、ConfigurethegatewayonHostBas54.C、ConfiguretheIPaddressofHostAas.D、ConfiguretheIPaddressofHostBas.E、Configurethemasksonbothhoststobe24.F、Configurethemasksonbothhoststobe40.第2卷一.参考题库(共75题)1.一个路由表，有3条，分别从rip，ospf，eigrp学过来的，到达相同目的，问路由选择哪条走？2.There are no boot system commands in a router configuration in NVRAM. What is the fallback sequence that the router will use to find an IOS during reload?（）A、TFTP server, Flash, NVRAMB、ROM, NVRAM, TFTP serverC、NVRAM, TFTP server, ROMD、Flash, TFTP server, ROME、Flash, NVRAM, ROM3.Which program is found in Training and Events contains information about certification andadditional Cisco educational resources that enable you to further your professional opportunities？（）A、 PECB、 Cisco Networking Academy ProgramC、 Cisco TACD、 Cisco Partner Specializations Program4.Cisco wcs version 4.0 is supported on which operating system？（）A、windows 2000 sp4B、windows server 2003C、solaris 10D、vistaE、windows xp pro5.Which two commands correctly verify whether port security has been configured on portFastEthernet 0/12on a switch？（）A、SW1#show swithport port-security interface FastEthernet 0/12B、SW1# show swithport port-secure interface FastEthernet 0/12C、SW1# show port-secure interface FastEthernet 0/12D、SW1#show running-config6.Thereare2switchesintheTestkingLAN,withnorouters.Ports1,2&3areassignedtoVLAN1inswitch1and2andports4,5&6areassignedtoVLAN2inbothswitches.Thesetwoswitchesareconnectedtogetherviaatrunkedlink. WhichoftheconditionsbelowwouldverifytrunkandVLANoperation?（）A、Host1onVLAN1canpingHost2onVLAN1B、Host1onVLAN1canpingHost4onVLAN2C、Host1onVLAN1cannotpingHost2onVLAN1D、Host4onVLAN2cannotpingHost1onVLAN1E、Host4onVLAN2canpingHost2onVLAN27.Withrespecttoacomputerfilesystem,anaccesscontrollist(ACL)isalistofpermissionsattachedtoanobject.Whichofthefollowingmakesforwardingdecisionsinhardware?（）A、IETFB、PFCC、TCAMD、ASIC8.What allows for a higher level of systems management capability that reduces the risk of changeas well as management and administrative costs？（）A、 policy control