题目内容
（请给出正确答案）
[单选题]
是世界上最早、最享盛誉和最有影响的股票价格平均数。
A.道-琼斯工业股价平均数
B.金融时报证券交易所指数
C.日经225股价指数
D.NASDAQ市场指数
如搜索结果不匹配，请 联系老师 获取答案
A.criticalupdates
B.softwareupdates
C.driverupdates
D.virusdefinitionupdates
更多“是世界上最早、最享盛誉和最有影响的股票价格平均数。A．道-琼…”相关的问题
第2题
A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good
one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）
点击查看答案
A. Replace the motherboard.
B. Check all connections.
C. Replace the USB controller.
D. Check the PS/2 connector.
第3题
AuserwhoisrunningWindowsXPProfessionalreportsthatthecomputermonitorstoppedfunctioningfollo
winganinstallationofanupdateddriverforthevideocardandthatattemptstodeleteandre-installtheoriginaldriverhavenotcorrectedthesituation.WhichofthefollowingactionswouldbeBESTtocorrectthissituation？（）
点击查看答案
A.ResetthesystemBIOS.
B.UseSystemRestore.
C.Changethecolorprofile.
D.Replacethevideocard.
第4题
Which of the following would a user MOST need for a home theater PC?()
A. Liquid cooling
B. Network card
C. TV tuner card
D. CPU
E. RAM
F. Specialized audio card
第5题
A technician has lost a necessary jumper for a new hard drive that must be installed immediately.Which of the following is the BEST solution?()
A. Use a jumper from the motherboard where the new drive is going to be installed.
B. Use a jumper from a hard drive that is no longer functioning.
C. Contact the manufacturer of the new hard drive and have a replacement jumper shipped immediately.
D. The new hard drive must be replaced
第6题
A PC is powered on and begins POST. The PC takes a long time when scanning for drives. The
BIOS reports no hard drive can be found but the CD-ROM is identified. The technician knows that there are two hard drives on the primary EIDE controller and a CD-ROM on the secondary EIDE controller.Which of the following is the MOST likely cause of the problem?（）
点击查看答案
A. Both hard drives have the master jumper in place.
B. One hard drive is set as master and the other slave.
C. The hard drive data cable is reversed.
D. Both hard drives have the cable select jumper in place.
第7题
A coworker has reported that someone has engaged in prohibited activity. The supervisor ha
sasked the technician to quarantine the PC until police arrive. Which of the following should the technician do?（）
点击查看答案
A. Allow the user to continue working
B. Check for viruses
C. Re-image the hard drive
D. Document time/date for later reference
E. Prevent users from accessing the PC
F. Turn off PC
第8题
A technician receives an error message ‘inaccessible boot device’ on their monitor. Which of thefollowing components is causing the issue?()
A. Hard disk drive failure
B. NTLDR file is missing
C. BIOS is corrupted
D. System board failure
第10题
A user reports it takes a long time to load all applications and the hard drive LED is showing constant activity. Which of the following is MOST likely the issue?()
A. The processor is faulty.
B. The file system is fragmented.
C. The modem drivers are corrupt.
D. The power supply is faulty.
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