单选题 A technician receives an error message ‘inaccessible boot device’ on their monitor. Which of thefollowing components is causing the issue?()
Hard disk drive failure
NTLDR file is missing
BIOS is corrupted
System board failure
单选题 Which of the following tools would be BEST to use to pry open the case of a laptop?()
Metal screwdriver
Plastic wedge
Needle-nose pliers
Extension magnet
单选题 A customer requires a shock resistant mass storage device in their PC. Which of the following drives should the technician install?()
Hard disk
Solid state
Floppy
Tape
单选题 On laptops, the internal wireless adapter is known by which of the following form factors?()
PCI
Mini PCI
ISA
PCIe 1x
单选题 If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?()
A power supply tester
A multimeter
A loopback adapter
A cable tester
单选题 When setting security permissions on a folder, which of the following properties apply?()
Guest users are allowed changed permissions.
All sub-folders inherit the most restrictive permissions within the folder.
All sub-folders within that folder are given a password.
By default, read permissions are denied on all files within the folder.
单选题 Which of the following default ports must be opened to allow a technician to telnet into a machine?()
21
23
24
25
单选题 After visiting the Windows Update website on a Windows 2000 computer and installing all updates, a user reports that they are unable to select any resolution above 640X480 with sixteen colors. Which of the following procedures should the technician complete FIRST?()
Increase the amount of shared video memory in the BIOS settings.
Reinstall device drivers for the video card from the manufacturer’s website.
Set Hardware Acceleration for the video card to full in the advanced area of Display Settings.
Uninstall the Windows Service Pack that had been installed most recently.
单选题 Several users report that they are unable to print to a new printer recently installed. The technician is unable to ping the printer. Which of the following is the MOST likely cause?()
No IP address on the printer
Paper jam in the paper feed tray
Improper DNS settings on the printer
Broken LCD screen on the printer
单选题 Which of the following will occur if a laptop SATA 1 drive is installed on a SATA 2 controller?()
The drive will run at the lower SATA 1 speed.
The drive will not work due to incompatibility.
The drive will run at the higher SATA 2 speed.
The drive will have intermittent POST errors.
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()