单选题 A Windows XP Professional PC needs to be checked for compatibility before being upgraded toWindows Vista Business. Which of the following would be the BEST action to take before theupgrade?()
Run the Windows Vista Upgrade Advisor on the target pc.
Check the README file on the Vista installation dvd for system requirements.
Check the manufacturer’s support pages for system requirements.
Run the Windows AIK on the Vista installation dvd.
单选题 Which of the following passive cooling methods BEST dissipates a component’s heat?()
Heatsink
Fan
Liquid cooling
Compressed air
单选题 A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?()
Native resolution
Color depth
Minimum brightness
Maximum brightness
多选题 Which of the following bus speeds is used for a PCIe card?()
1x
3x
6x
8x
24x
单选题 On a laptop, special operations like wireless card on/off, volume settings, and screen brightness can generally be controlled via which of the following physical means?()
Docking station toggle switches
FN keys
Remotes
Up/down arrows
单选题 On which of the following transmission media types can LC connectors be found?()
UTP
STP
Coaxial
Fiber
单选题 A customer opened a ticket with the help desk two days ago to report that their computer ismaking a strange loud noise. Which of the following should the technician do FIRST after arriving at the site?()
Ask another technician who has worked with this computer previously to learn about any other prior issues.
Ask the customer open-ended questions to attempt to narrow down the issue, then repeat the issue to the customer for validation.
Ask the customer close-ended questions to attempt to narrow down the issue while not using technical jargon to avoid overwhelming the customer.
Run preliminary diagnostic tests to narrow down the issue and update the status of the trouble ticket then ask the customer about any changes they have made to the computer.
单选题 Which of the following is MOST likely a managed, Layer 3 device?()
Router
Bridge
Hub
Switch
单选题 A technician is servicing the Human Resource director’s computer which contains payroll software and salary information. Which of the following should the technician do to ensure confidentiality of the payroll information?()
Backup the confidential data to the technician’s USB drive to ensure nothing is accidently deleted.
Uninstall the payroll software to ensure confidentiality.
Have the director remove sensitive data before the computer will be repaired.
Perform needed repairs while avoiding sensitive data.
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()