单选题 Which of the following makes toner stick to paper?()
corona transfer wire
fuser assembly
drum assembly
pickup roller assembly
单选题 Which of the following would be the maximum number of devices in a single chain that USB technology will allow?()
98
127
254
120
单选题 During boot up, a laptop screen displays vertical colored lines and then the LCD screen goes blank. There are no display problems when connected to an external monitor. Which of the following actions should be taken to resolve the problem? ()
Replace the laptop.
Replace the LCD screen.
Replace the LCD pixels.
Re-select the LCD in Device Manager.
单选题 Which of the following may cause a printer to not print correctly after updating from Windows 98 to Windows XP?()
Incorrect printer driver.
Printer needs calibration.
Dirty printer head.
Font settings on the printer.
单选题 A customer has security concerns about classified local data being compromised if the laptop isstolen. The customers laptop has Windows 2000 utilizing the FAT16 file system. Which of the following actions should be taken?()
Upgrade the operating system to Windows XP Home.
Have the customer convert to NTFS and enable data encryption.
Tell the customer that a laptop should not be used for classified data.
Configure the wireless adapter to only connect to secure networks.
单选题 Which of the following is the recommended maintenance for a laser printer? ()
Clean all fan filters; wipe down the paper path and re-adjust the corona wire.
Clean all pickup rollers; re-adjust the corona wire and replace the fuser assembly.
Clean all pickup rollers; replace the fuser assembly and clean all fan filters.
Clean all pickup rollers; wipe down the paper path and clean all fan filters.
单选题 In which of the following locations would a technician set the LBA mode for a hard drive?()
Jumper Settings
Disk Manager
Device Manager
System BIOS
单选题 When connecting a laser printer to a network for the first time, a technician should FIRST:()
configure the network settings on the printer.
ensure the cable is set to TCP/IP.
enable the printer in the BIOS.
configure the printer as bi-directional in Windows.
单选题 A laser printer has a vertically repetitive print defect. Before attempting to repair the printer,a technician should determine:()
the distance between the spots.
which paper tray was used to print the document.
which driver was used to print the document.
which application was used to print the document.
单选题 When installing a new Plug and Play sound card, a technician should turn off and unplug the computer; remove the computer’s cover; locate the sound card slot, insert and secure the card in the slot and:()
plug in and turn on the computer; let Windows recognize the new hardware and install the driver.
plug in the computer; let Windows recognize the new hardware and plug in the speakers.
let Windows recognize the new hardware; install the driver and plug in the speakers.
turn on and plug in the computer; let Windows recognize the new hardware and install the driver.
海南西环高铁于去年底正式开通运营,全球首条环岛高速铁路诞生了。铁路最早出现在()
纵向偏离时,每个车辆转向架所承受的货物重量不得超过货车容许载重量的(),且两转向架承重之差不得大于10t。
采用过户转让的票据多指股票、政府债券和提单等。
周作人散文笔调从容闲逸,别有一种平淡悠远的趣味,其作品《零余者》《写在人生边上》都体现了这种风格。
关于女性输尿管下列哪项是正确的()
中国银行间市场交易商协会(以下简称交易商协会)负责受理企业债务融资工具的发行注册。交易商协会不接受注册的,企业可于( )后重新提交注册文件。
影响横封效果的因素有()
固定资产改良过程发生的变价收入应记入()。
简述脑梗死的治疗原则。
患者输注少白红细胞悬液约1小时时,出现呼吸急促,大汗淋漓,寒战,腰背部剧痛,心前区压迫感,心率120/分钟,呼吸30/分钟,血压75/45mmHg,体温39.8℃。随即出现血红蛋白尿。最可能的临床诊断是()