IBM认证笔试（2018-2023年）真题摘选含答案

长风破浪会有时，直挂云帆济沧海。IBM认证笔试（2018-2023年）真题摘选含答案（图片大小可自由调整）卷I一.参考题库(共30题)1.What must an administrator do to prevent new telnet users from connecting to the system？（）  A、rmdev -l /dev/ptsB、touch /etc/nologinC、chdev -l sys0 -a nologinD、chuser -a login=false ALL2.The Business Partner technical specialist is planning the space requirements for a new IBM DS8000.  The service clearance requirements refer to the area required to （）A、open the service covers and pull components for maintenanceB、distribute the weight of the storage unitC、place the storage unitD、Allow the right airflow3.IBM DS5000 系列中，多通道管理软件是免费的。4.Users complain they cannot communicate with a server.  The system administrator suspects there may be a problem with the Ethernet adapter or with the way it is configured.  Which command can be run to verify the adapter is configured correctly？（）A、netstat -inB、ifconfig -aC、arp -aD、cfgmgr5.A System p administrator is investigating a possible security breech and wants to review  information about failed login attempts to the system.  Which of the following commands will show this（）A、fwtmp < /etc/security/failedloginB、cat /etc/security/failedloginC、whoD、alog -f /etc/security/failedlogin -o6.The Client has requested that once Terms and Conditions （Ts Cs） are attached to another record， the Ts Cs should be unchangeable. How is this appropriately accomplished？（）A、 In the Contracts application， delete the Ts Cs from the record and enter a new row.B、 In the application using the specific Ts Cs， rename the Ts Cs and approve the record.C、 In the Terms and Conditions Application， uncheck the Editable box on the newly created term.D、 In the Terms and Conditions Application， change the status of the newly created term to Approved.7.A customer would like to implement an IBM System Storage DS8000 solution that requires 225 TB raw capacity. They are convinced that 450 GB is the optimum size for their business applications. There is limited space available for additional machines in the data center.  Which solution meets best this requirement（）A、DS8700 system with three framesB、DS8800 system with threeframeC、DS8700 system with two framesD、DS8800 system with two frames8.以下哪个产品的机械臂上带有冗余的双磁带抓取器，每个抓取器均可以访问到磁带库中的所有槽位？（）A、IBM TS3310B、IBM TS3500C、SUN SL8500D、Quantum Scalar 10K9.An AIX system， which is running a database， is having performance issues with I/O writing.  The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance.  To set these numbers， which of the following commands would be used？（）A、 perfmon -h 30 -l 25B、 chdevC、 no -oD、 smit chgsys10.Which of the following local files is used to run the date command on the remote machine "Earth" using the following rexec command without request for a password？ rexec Earth date（）。A、~/ .rhostsB、$HOME/.netrcC、/etc/hosts.equivD、/etc/security/user11.Which of the following tools is used to report the location of logical partitions of a file system on a physical volume？（）A、 lsfsB、 iostatC、 lslv -pD、 lsvg -p12.A customer has an HMC-managed Power Systems server with 6 partitions. Four production partitionsare subject to varying workloads throughout the day, and two are used for development and testing. The production applications have different licensing limitations on the number of physical cores that may be used. The development partitions can use no more than 1 core. The customer would like to dynamically optimize processor utilization within the licensing limits, with minimal operator intervention.  Which of the following meets the customer requirement?（）A、Define the production partitions' maximum CPU to the licensing limitations. Define the development/test partition maximums to one core. Configure each partition to be capped. B、Define the production partitions' maximum CPU to the licensing limitations. Define the development/test partition maximums to one core. Configure each partition to be uncapped. C、Define the production partitions' maximum CPU to the licensing limitations. Define the development/test partitions to use no more than one core. Configure the HMC scheduler to dynamically assign processors among the pools over a day. D、Create a shared processor pool for each production partition, with the maximum processor limit set to the licensing limit for the application in the pool. Assign the development and testing partitions to a processor pool with a maximum of 1 core. Configure each partition to use uncapped processing. 13.考察UNIX小型机的性能，最重要的指标首先应该看（）A、CPU的个数B、CPU的主频C、第三方性能测试指标，如TPC-C等D、总线带宽14.A system administrator wants to NFS mount a filesystem from server "Alpha" to server "Bravo." Which command should be issued from "Bravo" to determine which filesystems are being exported by server "Alpha"？ （）A、lsnfsmnt AlphaB、exportfs -l AlphaC、showmount -e AlphaD、mount -t nfs Alpha15.Which of the following commands will list all the logical volumes and the file system distribution across a specific physical volume（）A、Ispv-IB、Islv-pC、Ispv-LD、Isvg16.AbootingsystemappearstobehangingwithanLEDcodeof0c54.Whatisthelikelycause?（）A、AnAIXinstallisinprogress.B、Therootvgvolumegroupiscorrupt.C、TheTCPIPconfigurationisincorrect.D、Atleastonepagingdevicecannotbevariedon.17.Which of the following IBM System Storage products supports a maximum of 64 GB of cache in astandard dual controller configuration?（）A、XIV B、N3600 C、DS8100 D、DS530018.一个服务需要有信息验证和基于内容的路径选择之类的中间件，下面哪个是最有效的中间件？（）A、SOAP消息B、元数据C、Web-service绑定D、企业服务总线（ESB）19.A university researcher needs a large server with high numeric computing capacity to do computational fluid dynamics calculations.  The pSeries technical specialist has a recent pSeries and RS/6000 Performance Report.  Which of the following tables should be consulted to advise the customer concerning relative performance of various models？（）A、rPerfB、ROLTPC、SPECfpD、SPECint20.Abackupistakenusingthefollowingcommand:tar-cvfabcdef.tar/usr/local/include/tcpd.hTheoperatorisinthedirectory/usr/local/restoresandrunsthefollowingcommand:tar-xvfabcdef.tar. Wherewillthefileberestored?（）A、/usr/local/include/tcpd.hB、/usr/local/restores/tcpd.hC、/usr/local/restores/include/tcpd.hD、/usr/local/restores/usr/local/include/tcpd.h21.A customer feels they are over-provisioning their current storage environment and falling short onperformance requirements. Which IBM solution can best help this customer manage their multi-tiered disk environment more effectively?（）A、IBM Systems Director B、DS8700 with Easy Tier C、SAN Volume Controller v6.1 D、Advanced Fully Automated Storage Tiering22.Which LPP status signifies the inability to return to a previous version of a fileset because the saved files have been removed？（）A、APPLIEDB、REMOVEDC、REJECTEDD、COMMITTED23.An  administrator  can  create  logical  volumes  and  then  add  file  systems  to  them，  or  create  the  file  system directly.  What is an dvantage of the two-step approach instead of the one-step approach（）A、The number of bytes per inode can be specified.B、Placement of the filesystem on the disk can be specified.C、The jfslog can be specified on creation of the filesystem.D、Either a JFS or JFS2 filesystem can be created on the logical volume.24.How can the system administrator determine if a system is running in 32-bit or 64-bit mode？（）A、Use ’prtconf -c’ to see if the system is 64-bit enabledB、Check the /etc/inittab to see if /etc/method/cfg64 is enabledC、Use the ls -al to see if /unix is linked to /usr/lib/boot/unix_64D、Use the lslpp command to see if the bos.mp64 fileset is installed25.A company wants to replace an existing UNIX database server with a new application running on Microsoft SQL Server.  Sizing analysis shows that a system with at least eight Xeon MP processors and 24GB RAM will be required for the central database server. Which of the following will meet the requirements at the lowest cost？（）A、8-way x445 with Microsoft Windows Server 2003 Standard EditionB、8-way x445 with Microsoft Windows Server 2003 Datacenter EditionC、8-way x445 with Microsoft Windows Server 2003 Enterprise EditionD、16-way x445 with VMWare ESX with SMP and Windows Server 2003 Standard Edition VMs26.In addition to the partition profile backup, how should the HMC be backed up to provide bare-metal restore capabilities?（）A、Backup critical console dataB、Backup a bootable image to tapeC、Create mksysb image and store on a NIM serverD、Create mksysb image and store on an NFS server27.Which of the following commands will display any user defined verification methods？（）A、cldumpB、clautover vC、clvec.custom vD、cllscustom t verify28.AllofthefollowingRAIDlevelsareavailableonanIBMSystemStorageDS8700andDS8800withtheexceptionof:（）A、RAID1B、RAID5C、RAID6D、RAID1029.WhichofthefollowingSQLstatementswillreturntheyearandaveragesalaryforallemployeeshiredwithinagivenyearthathaveasalarygreaterthan$30,000?（）A、SELECT*FROMt1UNIONSELECT*FROMt2B、SELECT*FROMt1UNIONDISTINCTSELECT*FROMt2C、SELECT*FROMt1INTERSECTSELECT*FROMt2D、SELECT*FROMt1WHERE(c1,c2)=(SELECTc1,c2FROMt2)30.Which of the following commands can be used to determine if a disk drive is causing a bottleneck?（）A、 vmstat B、 fileplace C、 iostat D、 lvmstat卷I参考答案一.参考题库1.参考答案:B2.参考答案:A3.参考答案:正确4.参考答案:B5.参考答案:A6.参考答案:C7.参考答案:D8.参考答案:B9.参考答案:D10.参考答案:B11.参考答案:C12.参考答案:D13.参考答案:A14.参考答案:C15.参考答案:A16.参考答案:A17.参考答案:D18.参考答案:D19.参考答案:C20.参考答案:A21.参考答案:B22.参考答案:D23.参考答案:B24.参考答案:C25.参考答案:C26.参考答案:A27.参考答案:D28.参考答案:A29.参考答案:B30.参考答案:C卷II一.参考题库(共30题)1.A System p administrator suspects they are receiving an error from one of their nightly cron jobs. Thejob is： 0 1 * * * /usr/local/bin/nightlycheck.pl Where should the administrator first look for errors reported by this cron job（）A、/var/log/syslog.outB、/var/log/cron.logC、/var/spool/cron/logsD、mail2.On an IBM System Stoage DS8000 which of the following information pairs are mandatory to create a volume（）A、extent pool id and volume idB、extent pool id and volume nameC、volume id and extent allocation methodD、volume name and extent allocation method3.A retail customer has just install an IBM option into their server， but the option is not working properly. Which the following should be checked to determine if the devices is supported in the server？（）A、IBM ServerProven siteB、System x Reference Library （xRef）C、COG Compatibility ListD、Hardware Compatibility List （HCL）4.在SOA中Webservices扮演了哪两种角色？（）A、它提供了服务请求的调解机制B、它提供了一种信息框架的服务C、它支持不同技术间的可操作性D、它提供了描述服务接口的开放式的标准E、它为企业服务总线（ESB）提供了信息机制5.以下关于TS3310磁带槽位数哪种说法是正确的（）A、30 至 396 盒B、20 至 256 盒C、24 至 360 盒D、36 至 396 盒6.JS12/JS22/POWER520/POWER550 定位在海量产品市场，在市场的销售模式是（）A、客户直接向IBM 购买B、客户直接向总分销购买，总分销再向IBM 下单C、客户向代理商购买，代理商向总分销拿货，总分销向IBM下单D、以上都不正确7.Which one of the following provides the capability to partition the 3584 Tape Library into separatelogical libraries?（）A、Control Path Failover B、Enhanced Frame Control C、Advanced Library Management System D、High Availability Library Control8.Whichcommandwillmigrateafilesystemfromonevolumegrouptoanother?（）A、cpfsB、cplvC、mkfscopyD、migratepv9.Which two companies are major competitors to IBM Maximo Asset Management solutions?（）A、SAPB、OracleC、CandleD、InformixE、Computer Associates10.A healthcare customer is not satisfied with the utilization of their heterogeneous storage devices. Which of the following solutions should the System x technical representative recommend to better provision their storage on demand?（）A、Tivoli Storage Manager (TSM) B、IBM SAN Volume Controller (SVC)C、IBM TotalStorage Productivity Center (TPC)D、Tivoli Provisioning Manager (TPM)11.A customer is interested in purchasing a new IBM System Storage TS3500 Tape Library. Which ofthe following documents should be used first to guide the Business Partner to verify theenvironment？（）A、TS3500 RedbookB、TS3500 Operators ManualC、Solution Assurance Product Review （SAPR） GuideD、TS3500 Product Installation and Planning Guide12.Which server houses the database partitions in the AIX BCU V2.1? （）A、 IBM System p5 570  B、 IBM System p5 575  C、 IBM System p5 590  D、 IBM System p5 59513.A customer needs to test the failover capabilities of their cluster. Which of the following AIX commands， whenissued from the command line， will simulate a node crash and cause the cluster resource group running onthat server to fail over to another node？（）A、clstopB、halt -qC、shutdown -FD、stopsrc -s cluster14.WherecantheOpenSourceprerequisitefilesetsthatallowtheinstallationoftheFirefoxWebbrowserbefound?（）A、FixCentralB、IBMAIXToolboxC、AIXExpansionPackD、CommonbaseAIXCDs15.You have successfully configured EchoClient and EchoApplication secured by Web Services Security Management (WSSM). You want to test that authorization is correctly being performed on the request. Which technique would allow you to do this?（）A、stop all running instances of PDACLDB、log in to the EchoClient as a different IBM Tivoli Access Manager for e-business （TAMeb） userC、change the TAMeb ACL policy applying to the Web Services namespaceD、update the authorization module configuration in the Trust Service using the IBM Tivoli Federated Identity Manager Console16.A space-constrained customer is currently running AIX 5.2 on a number of p650 servers and a pair of new p5-550 servers.  They have four identical new applications each requiring a minimum of seven processors and 96GB of memory.  Which solution would best meet the customer’s requirements？（）A、Two p670 serversB、Four p650 serversC、Two p5-570 serversD、Four p5-550 servers17.An HACMP setting timer may used to allow：（）  A、 The setting or fallback of a cluster custom resource groupB、 The cluster time to stabilize before starting a custom resource groupC、 A priority node time to acquire custom resource group at cluster startD、 A fallover node time to process custom resource states to be monitored18.A prospect is considering a BladeCenter H chassis with the Multi-Switch Interconnect Modules. The number of Ethernet ports is important to them. What is the maximum number of Ethernet ports an HS22 blade server can support if the blade does not have any expansion blades attached?（）A、8 B、6 C、4 D、219.A client is configuring an x3650 M3. Once the system is in production， they need to able to remotely view and make changes to the UEFI interface. Which of the following is the correct way to configure this？（）A、Configure the RSA with an IP addressB、Configure the BMC with an IP addressC、Configure the AMM with an IP addressD、Configure the IMM with an IP address20.Which of the following is most accurate in describing the required types of FCP zoningconsiderations when implementing a SAN Volume Controller （SVC）？（）A、zoning is typically limited to controlling access to physical storageB、zoning is focused on access control between SVC nodes and host systemsC、zoning is focused on access to physical storage arrays， SVC clusters， and hostsD、zoning is focused on the access relationship between SVC nodes and the physical storagearrays21.A customer is evaluating PowerVM and VMware to run a data warehouse application. Which feature of PowerVM should be highlighted as a differentiator?（）A、PowerVM offers partition mobility.B、PowerVM can virtualize network and SAN resources.C、PowerVM supports multiple operating systems running concurrently.D、PowerVM allows an LPAR to use activated cores and memory without limitation.22.In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）A、 It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.B、 It is a JFS mounted filesystem that provides an exact representation of what is happening to a proces at a single and discrete point of time.C、 It is a JFS mounted filesystem that maps processes and read-only files related to these processes.D、 It is a pseudo filesystem that contains data that represents the state of the parent processes （but not their threads） in a system.23.IBM System x and BladeCenter systems use cooling technology that allows managed airflow to each component.  What is the name of this technology？（）A、Calibrated Vectored CoolingB、Rear Door Heat eXchangerC、IBM Active Energy ManagerD、Light Path Diagnostics24.AnadministratorsuspectsproblemsonaSCSIharddisk,butuponrunningdiagnostics,noerrorswerefound. Whatmustbedonetochecktheconditionofthedrive?（）A、Rundiagandselectthe'CertifyMedia'task.B、Performareadandwritetestonthediskandmonitorerrorlog.C、Updatethediskfirmwaretothelatestlevelandmonitorerrorlog.D、Formatthedisktoensurebadblocksareomittedfromthedisklayout.25.下列哪些技术基于XML？（）A、WebServicesB、JavaC、SOAPD、W3C26.Which POWER6 virtualization technology is the minimum to enable multiple shared processor pool functionality？（） A、PowerHA Standard EditionB、PowerVM Standard