[Free] New Updated (October) 220-801 CompTIA Real Exam 391-400

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QUESTION 391

Which of the following should a technician do NEXT, if the laptop’s internal speakers do not work, after replacing the motherboard due to a video issue?

 

A.	Update the video drivers
B.	Replace the speakers
C.	Check the speaker’s connection to the motherboard
D.	Verify that the speakers are compatible with the replacement motherboard

 

Correct Answer: C

Explanation:

There is a tiny flat speaker connection just above the keyboard. It is so tiny that technicians often ignore it. Make sure the speaker is connected to the motherboard prop

erly.

 

 

QUESTION 392

A customer asked the technician to upgrade the RAM in a laptop. Upon inspection of the RAM bay, the technician only found one RAM slot, however the laptop is specified to have two. Where would the other memory slot be typically located?

 

A.	Inside the display bezel
B.	Second hard drive bay
C.	Above the PC card slot
D.	Under the keyboard

 

Correct Answer: D

Explanation:

In some laptop models, the memory slot is situated right beneath the keyboard. It can be accessed through the door at the bottom of the laptop.

 

 

QUESTION 393

A laptop is not charging the battery and occasionally shuts off even when the power cord is plugged in. This is a symptom of a bad:

 

A.	DC jack.
B.	hard drive.
C.	cooling system.
D.	battery.

 

Correct Answer: A

Explanation:

http://www.laptopjacks.com/

 

 

QUESTION 394

Which of the following typically cannot be upgraded in a laptop?

 

A.	Video card
B.	Hard drive
C.	RAM
D.	Wireless card

 

Correct Answer: A

Explanation:

http://lockergnome.net/questions/130140/why-can-t-you-upgrade-laptop-hardware

 

 

QUESTION 395

Which of the following is the proper way to remove a PCMCIA card from a laptop running Windows XP?

 

A.	Click on the safely remove hardware icon, stop the device, and remove the card
B.	Push the eject button on the card slot
C.	Grasp the card firmly and slowly pull it from the slot on the laptop
D.	In the Control Panel, stop the device service, and then remove the card

 

Correct Answer: A

Explanation:

http://www.ask.com/question/how-does-a-pcmcia-card-work

 

 

QUESTION 396

Which of the following will provide the FASTEST boot times for a laptop user?

 

A.	Solid state drive
B.	High capacity battery
C.	eSATA hard drive
D.	Increased RAM

 

Correct Answer: A

Explanation:

http://www.pcmag.com/article2/0,2817,2404258,00.asp

 

 

QUESTION 397

A user’s laptop screen is extremely dim. A technician attempts to alter the brightness using function keys and the BIOS, but the screen never changes in brightness. Which of the following is MOST likely the cause?

 

A.	Battery failure
B.	Bulb failure
C.	Display driver is corrupted
D.	Backlight failure

 

Correct Answer: D

Explanation:

http://www.laptoprepair101.com/laptop/2007/09/05/troubleshooting-laptop-with-backlight-failure/

 

 

QUESTION 398

Which of the following expansion slots is characterized by having an x16 speed?

 

A.	CNR
B.	PCI
C.	PCIe
D.	AGP

 

Correct Answer: C

Explanation:

The PCIe xXX is the amount of lanes the slot has. so x16 has 16 lanes, x8 has 8 lanes and so on. The physical slot on x4, x8, and x16 are all the same. If it says 2 PCIe x16 slots it means that there are 2 slots on the board that are capable of 16 lanes. If it says 2 PCIe X16 (and then in brackets says x16, x4 or x8, x8) it means when you have 1 slot being used it uses all 16 lanes for that 1 slot. But if you plug multiple things into the PCIe slots (most common 2 GPU’s) it will divide the lanes between the cards. So that (x16, x4) you will have the first GPU running with 16 lanes, and the second GPU running with 4 lanes.

 

 

QUESTION 399

Which of the following should be the FIRST items to be removed when replacing the system board on a laptop? (Select TWO).

 

A.	Keyboard
B.	Battery
C.	LCD
D.	Palm rest
E.	AC power adapter

 

Correct Answer: BE

Explanation:

Remove all power sources before opening the first screw on the laptop. Battery is a power source and can pose an electric hazard. So remove the battery and the AC power adapter that charges the battery.

 

 

QUESTION 400

Which of the following laptop display types relies on a backlight for the display presentation?

 

A.	LCD
B.	LED
C.	CRT
D.	Plasma

 

Correct Answer: A

Explanation:

http://electronics.howstuffworks.com/lcd.htm

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