220-301 题目列表
单选题What is the MOST significant difference between EDO RAM and fast page mode DRAM？（）AEDO RAM is faster.BEDO RAM is slower.CEDO RAM is smaller.DEDO RAM is cheaper.
单选题What is the FIRST step in diagnosing a completely dead computer that was working fine the day before？（）Aremove all peripherals and reinstall them one at a timeBreplace the CMOS batteryCcheck the AC power cord and verify the power sourceDback up the entire hard drive
单选题A client asks a technician to add a DVD+R burner to a computer system. The technician does this and successfully tests the drive. Three weeks later， the client calls and says that the burner is no longer working. The technician learns that the drive reads CDs and DVDs， but will no longer burn DVDs. When arriving on site， what is the FIRST action that the technician should take？（）Acheck for a faulty IDE cableBbe sure that the DVD+R is formatted before using itCcheck for incompatible mediaDre-install the DVD burning software
单选题A defective CD-ROM drive is replaced with a new CD-ROM drive. The new CD-ROM drive is able to read any CD that it accesses， but music CDs do not play music. What is the MOST likely cause of this problem？（）AThe audio cable is not connected to the drive.BThe ribbon cable is not connected.CThe power cable is not connected.DThe CD-ROM drivers are not installed.
单选题A user reports that while printing a large document，the local printer fails to print and the document cannot be deleted from the queue. What is the MOST likely cause of the problem？（）AThe printer cable is not bi-directional.BThe user does not have full printer administration rights.CThe computer cannot spool and send the print job fast enough.DThe print job is too big for the amount of available memory.
多选题A Laser printer keeps getting a "Memory Overflow" error when printing a particular document. Which three of the following are possible fixes？（）Areset the printer cableBreplace the toner cartridgeCdecrease the print resolutionDadd more RAM to the printerEreduce the RET（Resolution Enhancement Technology）
单选题A user complains that a computer monitor is experiencing a jitter. Replacing the monitor and video card does not fix the problem. Which of the following could be causing the problem？（）AESD（electrostatic discharge）BmotherboardCRAMDACDEMI（electromagnetic interference）
单选题Which of the following is NOT a phase of the troubleshooting process？（）Aconfirm the repairBdefine the problemCdocument the resultsDsimplify the problem
单选题When replacing a power supply， what MUST the technician observe？（）AvoltageBcurrentCwattageDresistance
单选题Which test checks the transmitter and receiver of a local modem？（）Adata parityBanalog loop backClocal digital loop backDremote digital loop back
单选题A computer boots up with the error "CMOS Checksum Failure." Which of the following components needs to be replaced？（）Apower supplyBCMOS chipCmotherboardDCMOS battery
单选题Which cleaning product should be used for the inside of a computer？（）Aglass cleanerBa simple ammonia and water solution followed by an antistatic solutionCa bleach solution followed by waterDcompressed air
单选题Which IP block is designated for private network use？（）A127.0.x.xB169.0.x.xC190.100.x.xD192.168.x.x
单选题Where are the first computer instructions available when a microcomputer is powering up？（）Afloppy driveBboot.iniCROMDconfig.sys