[Free] New Updated (October) 220-801 CompTIA Real Exam 381-390

Ensurepass

 

QUESTION 381

An outline of an image can be viewed on a laptop screen, but it is very dim and the screen appears almost black. This can be caused by a failing. (Select TWO).

 

A.

inverter.

B.

LCD.

C.

plasma screen.

D.

CRT.

E.

OLED.

 

Correct Answer: AB

Explanation:

The problem might be caused by a display inverter which powers backlight or the LCD itself. When the screen goes dim, inverter is the culprit. If the screen appears almost black, the LCD might be failing.

 

 

QUESTION 382

The wireless antenna is typically located inside the laptop’s:

 

A.

rear panel.

B.

keyboard.

C.

display bezel.

D.

bottom bezel.

 

Correct Answer: C

Explanation:

http://gladiator-antivirus.com/forum/index.php?showtopic=81843

 

 

QUESTION 383

A technician performed a clean install of Windows XP on a laptop and finds that the Bluetooth on/off switch is not working. Which of the following will BEST resolve this issue?

 

A.

Replacing the keyboard

B.

Installing service pack 3

C.

Reinstalling the operating system with Windows XP Media Center

D.

Installing the Bluetooth stack/driver

 

Correct Answer: D

Explanation:

The best solution is to install Bluetooth driver. The driver is basically a software that allows the hardware to interact with the operating system.

 

 

QUESTION 384

Which of the following connection types would MOST commonly be found on a laptop to display out to an external monitor? (Select TWO).

 

A.

PS/2

B.

Serial

C.

VGA

D.

RCA

E.

HDMI

 

Correct Answer: CE

Explanation:

http://www.lenovo.com/us/en/faqs/Connect-Laptop-to-TV/

 

 

QUESTION 385

A laptop running a Windows operating system has a key that is supposed to launch Internet Explorer, but is not functioning. Which of the following will resolve this?

 

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D.

A.

Installing Bluetooth drivers from a manufacturer’s website

B.

Installing ACPI drivers from a manufacturer’s website

C.

Installing Hotkey drivers from a manufacturer’s website

Installing AHCI drivers from a manufacturer’s website

 

Correct Answer: C

Explanation:

http://forum.notebookreview.com/panasonic/67423-hotkeys-driver-help.html

 

 

QUESTION 386

Which of the following devices is necessary to provide power to a laptop LCD screen?

 

A.

PCMCIA card

B.

Backlight

C.

Inverter

D.

PCI-E card

 

Correct Answer: C

Explanation:

http://www.ehow.com/how-does_5011808_inverter-work-laptop.html

 

 

QUESTION 387

Which of the following can ONLY be installed when a laptop is turned off and disconnected from all power sources?

 

A.

PCMCIA device

B.

Express card 54 device

C.

SODIMM chip

D.

USB expansion hub

 

Correct Answer: C

Explanation:

SODIMM module can be installed when the laptop is turned off completely and disconnected from all power sources.

 

 

QUESTION 388

A technician observes another technician trying to steal a company laptop. Which of the following should the first technician do NEXT?

 

A.

Confront the technician stealing the laptop

B.

Preserve the laptop for evidence

C.

Report through proper channels

D.

Document the incident

 

Correct Answer: C

Explanation:

Report through proper channels. Notify your immediate supervisor and he will escalate the issue to higher authorities.

 

 

QUESTION 389

Which of the following should a technician check FIRST on the laptop if the system’s battery is not being charged?

 

A.

CMOS battery

B.

DC-in jack

C.

AC-in jack

D.

Breaker for the wall jack

 

Correct Answer: B

Explanation:

Check DC-in jack. If the laptop battery is not charging, the first thing to do is to check DC-in and see if it is seated properly.

 

QUESTION 390

A keyboard has been replaced on a laptop. Which of the following is the MOST likely cause that the keyboard does not work?

 

A.

The keyboard data cable was not connected properly.

B.

The keyboard is not compatible with the laptop.

C.

The keyboard needs updated drivers.

D.

The keyboard is defective.

 

Correct Answer: A

Explanation:

There is a small data cable beside the keyboard which is connected to the board. Check the data cable and make sure it is connected securely.

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