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2021 Jul a+ study guide pdf 220-801:
Q391. - (Topic 7)
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
Answer: D
Explanation:
http://www.laptoprepair101.com/laptop/2007/09/05/troubleshooting-laptop-with- backlight-failure/
Q392. - (Topic 5)
Which of the following network types BEST represents a network centered around one individual?
A. LAN
B. PAN
C. Cloud
D. MAN
Answer: B
Explanation:
http://compnetworking.about.com/od/networkdesign/g/bldef_pan.htm
Q393. - (Topic 3)
Which of the following wireless standards broadcasts in the 5 MHz range only?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
Answer: A
Q394. - (Topic 7)
Which of the following connectors is MOST commonly used for UTP cable?
A. RJ-45
B. RJ-11
C. LC
D. SC
Answer: A
Explanation:
http://www.danlipofsky.com/technical/ethernet/
Q395. - (Topic 3)
Which of the following Internet connection types usually has access controlled with PPPoE security authentication?
A. WiMAX
B. LTE
C. Cable
D. DSL
Answer: D
Up to the immediate present a+ 220-701 vs 220-801:
Q396. - (Topic 7)
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
Answer: A
Explanation:
http://www.pcmag.com/article2/0,2817,2404258,00.asp
Q397. - (Topic 3)
Which of the following devices requires calibration as part of its installation?
A. Touch screen
B. Mouse
C. External HDD
D. Keyboard
Answer: A
Q398. - (Topic 7)
In a laser printer, which of the following components uses heat to apply the toner onto the page?
A. Fuser assembly
B. Pickup roller
C. Transfer roller
D. Imaging drum
Answer: A
Explanation:
http://www.suppliesguys.com/info/what-is-a-fuser-unit.htm
Q399. - (Topic 6)
When configuring a new hard drive for use in a hot swappable environment, which of the following connection types should be used?
A. PATA
B. eSATA
C. IDE
D. SATA
Answer: B
Explanation:
eSATA, the e is for external - meaning that the cabling used is meant for being outside of the computer chassis. Many external hard drive-casing kits will feature USB 2.0 connections along with eSATA connection. The hot-swappable feature is only available if the motherboard supports the eSata hot-swapable functionality. Current motherboards do as do newer models. However, drives with older SATA connections will not support plug and play, instead you'll need to shutdown the PC and swap the drive and power the PC back up. Another option if you'd still like to have the eSata functionality is to purchase a eSata controller card.
Q400. - (Topic 3)
A user’s laptop does not produce sound even though the volume settings are at maximum in the operating system. Which of the following would MOST likely resolve this issue?
A. A new sound card
B. A new speaker
C. A BIOS update
D. A hardware volume control
Answer: D