confirm the repair
define the problem
document the results
simplify the problem
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？（）
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？（）
reset the printer cable
replace the toner cartridge
decrease the print resolution
add more RAM to the printer
reduce the RET（Resolution Enhancement Technology）
单选题 What is the FIRST step in diagnosing a completely dead computer that was working fine the day before？（）
remove all peripherals and reinstall them one at a time
replace the CMOS battery
check the AC power cord and verify the power source
back up the entire hard drive
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？（）
The printer cable is not bi-directional.
The user does not have full printer administration rights.
The computer cannot spool and send the print job fast enough.
The print job is too big for the amount of available memory.
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？（）
The audio cable is not connected to the drive.
The ribbon cable is not connected.
The power cable is not connected.
The CD-ROM drivers are not installed.
EDO RAM is faster.
EDO RAM is slower.
EDO RAM is smaller.
EDO RAM is cheaper.
SMDs（surface mounted devices）
FRUs（field replacement units）
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？（）
check for a faulty IDE cable
be sure that the DVD+R is formatted before using it
check for incompatible media
re-install the DVD burning software