2024年计算机考试-CompTIA认证考试近5年真题集锦（频考类试题）带答案

（图片大小可自由调整）2024年计算机考试-CompTIA认证考试近5年真题集锦（频考类试题）带答案第I卷一.参考题库(共100题)1.Atechnicianistroubleshootinganetworkconnectivityissue.Giventhefollowingabbreviatedtrace routeoutput: WhichofthefollowingisMOSTlikelyoccurring?（）A、SwitchingloopB、BroadcaststormC、IPconflictD、Routingloop2.Anadministratorhaspurchasedmonitoringsoftwarethatcanbeconfiguredtosendalertswhenhardwareandapplicationsarehavingissues.Whichofthefollowingmustbeinstalledonthemonitoringserversothatitcanproperlymonitordetailsonvendorspecificdevices?（）A、MIBsB、SMTPC、WMID、DHCP3.AtechnicianistroubleshootingalaptopLCD,andwhenthecoverisopenednothingshowsonthescreen.Thenallofasuddenthescreencomesonandworksfine.WhichofthefollowingshouldthetechniciancheckFIRST?（）A、BacklightB、InverterC、LoosecableD、Lidswitch4.Whichofthefollowingnetworktopologiesischaracterizedbyacentralserveranduniqueconnectionstoallclients?（）A、StarB、BusC、MeshD、Ring5.Anadministratorhaspurchasedmonitoringsoftwarethatcanbeconfiguredtoalertadministratorswhenhardwareandapplicationsarehavingissues.AlldevicesareconfiguredwithSNMP,buttheadministratorwantstofurthersecuretheSNMPtraffic. WhichofthefollowingsettingswouldBESTprovideadditionalmonitoringsecurity?（）A、SettingupacustomcommunitynameB、Configuringthenetworktoblocktrafficonport161C、ConfiguringtheWindowsFirewalltoblockport161D、SettingSNMPtoreadonlyonthedevicesE、InstallingnewMIBs6.Usingnetworkmonitoringtoolswouldallowanadministratortodowhichofthefollowing?（）A、ConfigureofflinedevicesB、ExamineperformanceissuesC、InstalladditionalsoftwareandupdatesD、Viewsyslogevents7.The following output is generated when trying to obtain tickets from the Kerberos realm： # kinit user@SUB.DOMAIN.BIZ Password for user@SUB.DOMAIN.BIZ kinit（v5）： Clock skew too great while getting initial credentials How can the problem be fixed？ （）A、 ntpdate domaincontroller； hwclock -systohc  B、 kinit -t  C、 killall -HUP krb5kdc  D、 Modify the time_sync value in the kdc.conf file.  E、 Modify the clockskew value in the krb5.conf file.8.While considering security， which of the following is the BEST place for a public web serveraccessible via the Internet？ （）A、 Internal networkB、 VLANC、 VPND、 DMZ9.WhichofthefollowingistheMOSTeffectivemethodtorestrictstaffmembersfromaccessingaserviceonacompanyserver?（）A、ImplementACLs.B、Disableaccountsforstaffmemberswhodonotrequireserveraccess.C、Implementanti-spamsoftwareontheserver.D、Implementanti-virussoftwareontheserver.10.Which of the following describes the purpose of a network topology diagram？（）A、 To display the logical layout this can differ from the physical layoutB、 To enhance a user’s understanding of the datacenter layoutC、 To create a physical map of the datacenter to provide to guestsD、 To provide a blueprint for recreating the same server setup for another client11.AnadministratorneedstodiagnoseproblemswithaWINSserver.Whichofthefollowingtoolsshouldbeused?（）A、nslookupB、nbtstatC、digD、netstat12.Whichofthefollowinglaptopdisplayswouldprovidephysicalflexibilityandtransparency?（）A、StandardLCDB、PlasmaC、OLEDD、LED-backlitLCD13.Auserstatesthatthelaserprinterisleavingablacklineonallpagesbeingprinted.WhichofthefollowingistheMOSTlikelycauseandsolutionforthisissue?（）A、Faultydriver;reinstallorupdatedriverB、Badfuser;placeservicecalltoprintermanufacturer.C、Excesstonerondrum;performmaintenance(e.g.cleandrumsurface).D、Deterioratingrollersandwornbrushes;replacerollersandbrushes.14.WhichofthefollowingWANtechnologiesmodulates24channelsintoa15Mbpssignal?（）A、ISDNB、PSTNC、OC-2D、T115.Anadministratorisplanninganupgradeofamajorsoftwarepackageonanapplicationserver.Thesoftwarehasbeentestedsuccessfullyinatestenvironmentanditisreadytogointoproduction. Whichofthefollowingstepsshouldtheadministratortakenext?（）A、IdentifynecessaryoperatingsystemupdatesB、ImplementthechangeC、DocumentthechangeD、Schedulesystemdowntime16.WhichofthefollowingcommandswouldcreateanemergencyrepairdiskfortheWindows2000Professionaloperatingsystem?（）A、rdisk.exeB、bootdisk.exeC、bootcfg/rebuildD、erd.exe17.WhichofthefollowingRAIDarraysperformsmirroringofthedisksfirst,thenstripingofthedisks?（）A、RAID1B、RAID0+1C、RAID6D、RAID1018.WhichofthefollowingportswouldhavetobeallowedthroughafirewalltoallowSNMPtraffictopassonitsdefaultport?（）(SelectTWO).A、22B、23C、143D、161E、162F、808019.Auserhasdiscoveredthateventhoughtheyareusingthelatestversionoftheanti-virussoftware,thecomputerisstillbeinginfectedbyavirus.WhichofthefollowingistheBESTsolutionforthisproblem?（）A、Replacethecomputer.B、Runchkdsk/f.C、Updatethevirussignatures.D、Runscandisk.20.Which of the following is the BEST place to find information about particular server software？（）A、 Vendor websiteB、 Online support channelsC、 Driver release notesD、 HCL21.In which of the following configurations should a SAS hard drive jumper be placed for single driveoperation？（）A、 The jumpers should be placed in the single/master position.B、 There are no configuration jumpers needed on a SAS hard drive.C、 The jumpers should be placed to give the drive a SCSI ID of 1.D、 The jumpers should be placed in the slave position.22.Whichofthefollowingmethodscanmovefilesincleartextandcanbeeasilyintercepted?（）A、RSHB、SNMPC、FTPD、TELNET23.An administrator has just finished physically replacing the system board in a Windows domaincontroller. Which of the following must be done before booting the server back into Windows？（）A、Update the time and date in the BIOS.B、Update the firmware on the SCSI controller.C、Update the firmware to the latest version.D、Configure IPMI on the new board.24.Atechnicianhasinstalledanewmotherboardinaworkstation,butafterhardwaretests,themotherboardhasfailed.WhichofthefollowingshouldthetechniciandoFIRSTbeforereplacingthemotherboard?（）A、Reseatallpowerconnections.B、RemovetheCMOSbattery.C、Installthegraphicscard.D、Groundtothecase.25.Which of the following backup methodologies is MOST time efficient for backing up data？（）A、IncrementalB、SnapshotC、DifferentialD、GFS26.Which of the following is a benefit of application virtualization？（）A、The need for multiple licenses of any software is unnecessary.B、Interoperability of disparate programs is easily attained.C、Server loads are greatly reduced from lowered traffic.D、Applications are easily accessible from anywhere on the LAN27.Atechnicianreceivesacallonmondaymorningthatseveralcomputerswillnotconnecttothenetwork. Thetechniciandeterminesthatthecomputersleftonovertheweekendarefunctionalandthosethatwereturnedoffovertheweekendarenotfunctioning. WhichofthefollowingistheMOSTlikelysourceoftheproblem?（）A、DHCPisnotfunctioning.B、WINSneedstoberestarted.C、DNSisnotfunctioning.D、LDAPisnotfunctioning.28.Whichofthefollowingprintingtechnologiesusespiezoelectricpressurepadstoproducesmallbubblesthataremovedtothepaper?（）A、ImpactB、ThermalC、LaserD、Inkjet29.Which of the following is the BEST solution for repairing a hard drive that results in the Could not readfrom selected boot disk display upon booting？ （）A、Use recovery console and the bootcfg /rebuild command.B、Use recovery console and the chkdsk command.C、Use recovery console and the fixboot command.D、Use recovery console and the fixmbr command.30.You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true？（）A、 You need to rebuild the kernel.B、 You need to upgrade the kernelC、 You need to load the USB modules for your existing modular kernel.D、 USB support is not available in Linux.31.WhileaccessingtheInternetinanexternalenvironment(i.e.whiletraveling),aWindows7firewallhouldbesettowhichofthefollowing?（）A、BlockincomingandoutgoingconnectionsB、TurnedoffordisabledC、BlockoutgoingconnectionsD、Blockincomingconnections32.WhichofthefollowingsecuritydeviceswouldMOSTlikelybeusedonanetworktoscreenandpreventmalicioustraffic?（）A、IDSB、VPNC、NIPSD、HIDS33.WhichofthefollowingmustoccurwheninstallingSCSIdevicesintotheserver?（）A、Terminatethebackendofthechain.B、SetthejumpertodeviceID0.C、Terminatebothendsofthechain.D、Setthejumpertocableselect.34.AuserisreportingthataPCwillsuddenlyshutdownwithoutwarning.ThePCbootsupwithnoproblems,butafterusingthePCforashorttime,thePCturnsoff.Whichofthefollowingcomponentsshouldthetechniciancheck?（）(SelectTWO).A、CPUfanB、RAMC、HarddriveD、PowersupplyE、Videocard35.WhichofthefollowingconnectiontypesuseaphonelineasacarriertoprovideaccesstotheInternet?（）A、CellularB、SatelliteC、ISDND、WiMAXE、DSL36.用户呼叫系统管理员，称他们无法访问整个早上都在使用的文件服务器。要解决该问题，管理员应首先采取哪项措施？（）A、重启文件服务器。B、询问用户在发现问题时正在做什么？C、让用户重启电脑。D、让用户ping通默认网关，并向管理员反馈响应时间。37.APCcannotconnecttothenetwork.Anetworkcardwaspurchasedwithoutdocumentationordriverdiscs.WhichofthefollowingistheBESTwaytoinstallitintothismachine?（）A、DownloadandinstallthedriversB、RunWindowsupdatetoinstalldriversC、CopydriverstoflashdriveandinstallD、Purchasethedisconlineandinstall38.Whichofthefollowingisabusmasteringmethod?（）A、Adevicetransfersdatadirectlytothememory.B、Adevicehandlesmediationbetweenthenorthbridgeandtheprocessor.C、Adeviceconnectstoanotherdevicewithoutinvolvingtheprocessor.D、Adevicetransfersdatatotheprocessorandthenontothememory.E、Adevicehandlesmediationbetweenthesouthbridgeandtheprocessor39.Which of the following technologies was created to reduce cost， increase cable length， and uses 3.3vacross the line？（）A、 Wide-Ultra2 SCSI-3B、 High-Voltage DifferentialC、 Low-Voltage DifferentialD、 Fibre Channel40.A bare metal backup requires which of the following backup methodologies？（）A、 FullB、 DifferentialC、 IncrementalD、 Database41.A company may use the Windows XP Professional MUI Pack because the company：（）A、has offices where users who speak different languages share computers.B、wants to maintain multiple operating systems.C、has users who work remotely at home offices.D、wants to deploy and maintain a single operating system standard.42.A company has had problems with their HVAC system being able to cool their datacenter as theyhave grown.  Which of the following could BEST be used to help reduce the load on the HVAC system？（）A、 Replacing the CAT5 cables with CAT6 cablesB、 Replacing traditional racks with water cooled racksC、 Turning off non-critical application servers during non-business hoursD、 Taking the second power supplys out of non-critical servers43.Acompanyhasinstalledanew802.11gpoint-to-pointconnectionbetweentwobuildingsandisexperiencinglowthroughputacrossthelink.Thecurrentsetupinvolvesawirelessbridgeontheroofwithanomni-directionalantenna.WhichofthefollowingwouldBESTimprovethelinkperformance?（）A、Replacethewirelessbridgeswithwirelessaccesspoints.B、Installbi-directionalamplifiersatbothsites.C、Configurechannelhoppingonbothwirelessbridges.D、Replacetheomni-directionalantennaswithYagiantennas44.Which of the following are considered plug and play technologies in a laptop？（）A、SATAB、RAIDC、USBD、EIDE45.以下哪种备份方法可使恢复数据所用的时间最短？（）A、增量B、差异C、完全D、GFS46.A technician works for a company that has recently been affected by a virus. The virus entered thenetwork by using port 6000. Port 6000 is used by an application located on a server. Thetechnician has been asked to block this port on all servers and computers except for the oneserver which uses this port. Which of the following should the technician do？（）A、Update the antivirus applicationB、Install critical update security patchesC、Adjust the software firewall settingsD、Replace the current antivirus program47.In a workgroup， all of the following steps are required for a DHCP server EXCEPT：（）A、 activate the scopes.B、 authorize the server.C、 configure the scopes.D、 install DHCP service.48.Which of the following BEST describes a virtual machine？（）A、HostB、VDIC、Hyper-VD、Guest49.Anadministratorisconcernedaboutusersutilizingthecompany'swirelesssignalwiththeir personallaptops. WhichofthefollowingistheBESTmethodtousetopreventunauthorizeddevicesfromusingthecompany'swirelessnetwork?（）A、SecureVPNB、MACfilteringC、IPfilteringD、StaticIPaddresses50.Aserverhasasingle,halfheight,PCI-X3.3vslotavailable.Whichofthefollowingcardscanfitinthisslot?（）A、HalfHeight,UniversallyKeyedPCIcardB、FullHeight,3.3vPCI-XcardC、HalfHeight,x16PCIExpressCardD、HalfHeight,3.3vPCIcardE、HalfHeight,UniversallyKeyedPCI-XcardF、FullHeight,UniversallyKeyedPCIcardG、HalfHeight,x8PCIExpressCard51.Which of the following should a technician instruct a user to do to initiate Remote Assistance for a user running Windows XP Professional？（）A、Network Neighborhood > navigate to the users computer > right click > select Offer Remote AssistanceB、Go to Help and Support Center > Pick a Task > Use Tools > Offer Remote AssistanceC、Run Remote Desktop Connection > Select Connect to User Enter the IP addressD、Start > Programs > Administrative Tools > Remote Assistance52.WhichofthefollowingwillMOSTlikelyhappenifalaserprinterdisplays‘15%fuserremaining’?（）A、Theprinterwillprintaccordingtospecification.B、Theprinterwillstopprintingimmediately.C、Theprinterwilltakelongertoprint.D、Theprinterwillprintblanksheetsofpaper53.Whichofthefollowingisasecuremethodofremoteaccessviacommandline?（）A、RCPB、TelnetC、RSHD、SSH54.Atechnicianfinishedinstallingantivirussoftware.WhichofthefollowingshouldthetechnicianperformNEXT?（）A、Runafullscanonthelocaldisk.B、Removeinfectedfiles.C、Updateantivirussignatures.D、Quarantineinfectedfiles55.WhichofthefollowinglaptopcomponentswillMOSTlikelyneedreplacingwithinthefirstthreeyearsofuse?（）A、BatteryB、ProcessorC、MemoryD、Backlight56.ThetechnicianisrepairingaPCwhichappearstohaveafailingRAMmodule.Afterreplacingthemodule,theextramemorystillisnotregistering.WhichofthefollowingisMOSTlikelytheissue?（）A、JumpersettingsareincorrectB、TheRAMmoduleisdefectiveC、ThememoryslotisdefectiveD、CMOSneedstobeflashed57.为确保在最短时间内备份所有必要数据，应在每晚使用以下哪种备份方法？（）A、每日B、增量C、常规D、差异58.An administrator installs a new server with five 146GB drives and implements RAID 5 for hardwareredundancy.How much disk space will be available for the OS， tools and regular files？（）A、146GBB、438GBC、584GBD、730GB59.A technician supports users in a client/server environment. A user suddenly cannot access anynetwork resources. The user tried to logon to a known working computer but was unsuccessful.Which of the following should the technician check FIRST？（）A、Check if the user account is lockedB、Check group policyC、Check the drive for fragmentationD、Check NTFS permissions60.以下哪种存储工具可用于启动故障硬件驱动器的重建？（）A、RAID阵列管理B、CHKDSKC、监视代理D、分区管理61.When purchasing a UPS for a server room， which of the following are important factors toconsider？（）A、Network card configurationB、Remote access proceduresC、Estimated runtimeD、Maximum loadE、Power cord length62.Which of the following storage tools could be used to initiate the rebuilding of a failed hard drive？（）A、 RAID array managementB、 CHKDSKC、 Monitoring agentsD、 Partitioning management63.WhichofthefollowingWLANprotocolsisinthe5GHzbandwithaMAXIMUMdatarateof54Mbps?（）A、802.11aB、802.11bC、802.11gD、802.11n64.Aworkstationnolongerhasnetworkconnectivity.Uponvisualinspection,allconnectorsandsettingsseemtobeproperlyconfigured.Whichofthefollowingtoolsshouldthetechnicianusetotroubleshootthisissue?（）A、PSUtesterB、LoopbackplugC、CabletesterD、Multimeter65.By default， Windows XP requires that passwords on your Samba server：（）A、 Do not exceed 32 characters.B、 Contain both numbers and letters.C、 Are encrypted.D、 Are changed every 30 days.66.WhichofthefollowingconnectorsusesthemainboardATXconnectortype?（）A、CentronixB、20/24pinC、BNCD、Molex67.When experiencing video problems， which of the following should be performed FIRST to ensure that the monitor is not causing the problem？ （）A、Check for the latest video drivers.B、Install a known-good video adapter.C、Attach the monitor to a known-good computer.D、Replace the monitor.68.A data center has had a power outage. Which of the following should the administrator do FIRSTonce the power is restored？ （）A、 Identify which systems are the most critical and bring them up by level of importance.B、 Retrieve the latest backup tapes for immediate system restore using the GFS rotation.C、 Identify the least critical systems and then power those systems on first.D、 Determine the cause of the power outage and install UPS systems to prevent its reoccurrence.69.病毒爆发后，可使用以下哪几项在Microsoft环境中部署热修复补丁？（）A、WSUSB、终端服务C、远程管理卡D、组策略E、SNMP70.A technician accesses a corporate users hard drive and notices that there are inappropriate images in their My Documents folder. Accessing this kind of material is a clear violation of company policy. Which of the following should the technician do？ （）A、Confront the user and tell them to remove the material.B、Backup the files and delete them from the users folder.C、Inquire with the manager about policies and procedures.D、Ignore the files， this is the users personal documents folder.71.Allofthefollowingwillinterferewitha2.4GHzwirelessphoneEXCEPT:（）A、Bluetooth.B、802.11a.C、802.11b.D、802.11g.72.WhichofthefollowingisthedefaultdirectoryforUserProfilesinWindowsXP?（）A、C:/UsersB、C:/UserProfilesC、C:/DocumentsandSettings

D、C:/Users/Profiles73.Whichofthefollowingwouldbeanexampleofprohibitedcontent?（）A、ThirdpartyproxysitesB、MaliciouscookieC、DetectedvirusD、Unwantedpop-up74.Aserverishavingproblemsbootingintotheoperatingsystem.Whichofthefollowingcanprovideimportantinformationtobegintotroubleshootthecause?（）A、SystemlogsB、FirmwareupdatesC、POSTmessagesD、Applicationlogs75.A server is connected to a gigabit Ethernet switch and has negotiated 1Gbps / Full Duplex. Whentransferring large files to and from other servers on the segment via FTP slow performance is noticed.All network cabling，network hardware and server hardware were verified to be working correctly.  Whichof the following could be done to improve performance？（）A、 Decrease the TCP window size.B、 Increase the UDP window size.C、 Increase the TCP window size.D、 Decrease the UDP window size.76.Whichofthefollowingutilities,inWindows,canbeconfiguredtoperformautomaticdiskdefragmentation?（）A、TaskSchedulerB、DiskDefragmenterToolC、TaskManagerD、DiskManager77.Which of the following technologies is specifically designed to increase servervirtualizationperformance？（）A、 Multicore processingB、 VTC、 64-bit processingD、 Hyperthreading78.Which of the following stripes data at the bit level and uses a dedicated disk for parity？（）A、RAID 0B、RAID 3C、RAID 5D、RAID 1079.Which of the following development libraries are used to make Samba compatible with ADS？（）A、 KerberosB、 CUPSC、 LDAPD、 Win32E、 IMAP80.Aprinterisnotpullingpaperoutofthepapertray.WhichofthefollowingistheMOSTpossiblecauseoftheproblem?（）A、PickuprollersB、PrintheadC、DrumD、Fuser81.A NAS differs from a SAN because NAS：（）A、 is attached to a local disk controller.B、 does support multipath I/O.C、 never uses an IP address for network connectivity.D、 always uses an IP address to access data.82.Routing convergence time is which of the following？（）A、Time required for a VPN connection to occurB、Time required by protocols to update their forwarding tables after changes have occurredC、Time required for an IDS to detect suspicious softwareD、Time required by switch ports to update their link status and transition to the forwarding state83.A file server is setup in a RAID 5 configuration.Recently there was a power failure in the serverroom while a user was transferring a document from one drive on the server to another drive onthe same server.Unfortunately their UPS was in repair during this outage， and the file is nowcorrupt.Which of the following can be done to prevent this situation in the future？（）A、Increase the memory on the server.B、Reconfigure drives to a RAID 0+1.C、Install a battery backed write cache module in the system.D、Instruct the user to save to the local system instead of to the server.84.Whichofthefollowingcanbeusedtoachievethehighesttransferrateforanexternalharddrive?（）A、FireWireB、eSATAC、USB1.1D、USB2.085.Which of the following RAID levels would be appropriate given two drives and a need for faulttolerance？（）A、RAID 0B、RAID 1C、RAID 5D、RAID 1086.An administrator is installing Windows Server 2003 via CD on a new server with an SAS RAIDarray. When the administrator reaches the option to select the target installation drive， there are nodrives listed. Which of the following is the FIRST thing the administrator should do？（）A、Restart the installation via WDS.B、Shut down the server and check that all RAID drives are connected properly.C、Restart the installation from CD and press F6 to install RAID drivers.D、Go into the BIOS and set all RAID drives to compatibility mode.87.WhichofthefollowingBIOSsettingsisMOSTlikelytospeedupthebootprocesswhendisabled?（）A、IDEAutoDetectB、BIOSAdministratorPasswordC、AdvancedConfigurationandPowerInterfaceD、PlugandPlay88.AnadministratorisconfiguringoneservertomonitorhardwarelevelinformationonasecondWindowsserver.WhichofthefollowingshouldbesetupontheWindowsservertoallowthemonitoringservertoaccessthisinformation?（）A、WMIB、RISC、DNSD、SNMPE、SMTP89.Anetworkadministratorneedstoaddanadditionalconnectiontoaroom.TheadministratoraddsanewEthernetswitchandmustconnectittoanexistingswitch. Whichcabletypeshouldbeusedtoconnectthetwoswitches?（）A、CAT3cableB、SerialcableC、CrossovercableD、Rollovercable90.WhichofthefollowingprotocolswouldBESTgranttheusersecureaccesstoaremotelocation?（）A、VPNB、FTPC、POP3D、DNS91.WhichofthefollowingisMOSTcriticalwheninstallinganewprocessorinanexistingsystem?（）A、ThermalpasteB、FansC、DrivespeedsD、Cablemanagement92.What is the output when the following shell script executes？（）   catA、 The contents of the file foobar.B、 Hello