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[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

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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-琼斯工业股价平均数B．金融时报证券”相关的问题

第1题

WhichofthefollowingaretypesoffilesdownloadedduringanAutomaticUpdate?()

A.criticalupdates

B.softwareupdates

C.driverupdates

D.virusdefinitionupdates

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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?（）

A. Replace the motherboard.

B. Check all connections.

C. Replace the USB controller.

D. Check the PS/2 connector.

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第3题

AuserwhoisrunningWindowsXPProfessionalreportsthatthecomputermonitorstoppedfunctioningfollo

winganinstallationofanupdateddriverforthevideocardandthatattemptstodeleteandre-installtheoriginaldriverhavenotcorrectedthesituation.WhichofthefollowingactionswouldbeBESTtocorrectthissituation？（）

A.ResetthesystemBIOS.

B.UseSystemRestore.

C.Changethecolorprofile.

D.Replacethevideocard.

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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

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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

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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?（）

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.

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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?（）

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

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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

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第9题

Which of the following protocols is used by thin clients?()

A.IPX

B.NetBIOS

C.RDP

D.UDP

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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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