CMS专题

单选题If an external monitor is attached to a laptop and it does not work， which of the following actions should a technician take FIRST？（）A Re-install the operating system.B Open and close the cover.C Use the function key to activate the monitor.D Install n

题目
单选题
If an external monitor is attached to a laptop and it does not work， which of the following actions should a technician take FIRST？（）
A

Re-install the operating system.

B

Open and close the cover.

C

Use the function key to activate the monitor.

D

Install new software for the keyboard.

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相似问题和答案

第1题：

()allows a laptop to connect to other devices such as monitor, printer, etc.

A.Docking station

B.Switch

C.Router

D.Hub


参考答案：A

第2题：

When you connect an external monitor to your portable computer, the same image appears on both monitors.You need to drag a window from one monitor to the other.What should you do?()

A.A

B.B

C.C

D.D


参考答案：A

第3题：

Which of the following is a laptop monitor technology that uses a backlight to produce an image on the screen?()

A. OLED

B. Plasma

C. DLP

D. LCD


参考答案：D

第4题：

A technician is installing an Express Card 54 device into a laptop. How will the device MOST likely be installed?（）

  • A、Into available expansion slot
  • B、Via physical external dongle
  • C、Via internal expansion slot
  • D、Into any available USB slot

正确答案:A

第5题：

A laptop operates on battery power when connected with an AC adapter. Once the battery discharges, the computer turns off and will not turn back on. Which of the following are the MOST likely causes of the laptop issue? （）(Select TWO).

  • A、The LCD monitor’s power inverter does not function properly.
  • B、The operating system’s power settings prevent the battery from charging.
  • C、The battery is not compatible with the laptop.
  • D、The internal power connection on the motherboard is faulty.
  • E、The power adapter is not working.

正确答案:D,E

第6题：

You plan to give an on-site presentation. The external display available for your audience is a 42-inch flat panel monitor. You need to ensure that the presentation on the monitor of your computer is duplicated on the external monitor for the audience.What should you do?（）

A.A

B.B

C.C

D.D


参考答案：B

第7题：

A user reports that they walked away from their laptop for 30 minutes and when they came backthe screen was very dim. The user tried moving the mouse and increasing the brightness setting,but neither worked. Which of the following should the technician do FIRST?（）

  • A、Plug in an external monitor to test the video card.
  • B、Run a check disk scan to verify there is no corruption.
  • C、Check if the laptop is now on battery power.
  • D、Have the LCD screen replaced with a known good screen.

正确答案:C

第8题：

A technician is installing an Express Card 54 device into a laptop. How will the device MOST likely be installed?()

A. Into available expansion slot

B. Via physical external dongle

C. Via internal expansion slot

D. Into any available USB slot


参考答案：A

第9题：

Which mechanism does External BGP use to prevent the formation of routing loops?（）

  • A、AS path
  • B、Split horizon
  • C、Poison reverse
  • D、Unicast RPF check

正确答案:A

第10题：

Which of the following is the MOST likely cause of a low wireless signal after an internal wireless adapter on a laptop was replaced?（）

  • A、The wireless card must be calibrated to the laptop.
  • B、The correct preshared encryption key must be installed to boost the signal.
  • C、The MAC address of the new wireless card will have to be added to the WAP to get the full signal.
  • D、The antenna wires for the wireless card were not attached.

正确答案:D

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