Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CompTIA A+ > Mobile devices > Flashcards

Mobile devices Flashcards

learn questions that was missed

1
Q

Which of the following is a disadvantage of using a Lithium Ion (Li-Ion) battery over a Nickel Metal Hydride (NiMH) battery?

A

Li-Ion batteries have a shorter lifespan than NiMH batteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following battery types is the MOST expensive?

A

Lithium Ion (Li-Ion)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following battery types has the greatest need to be completely drained before being recharged?

A

Nickel Cadmium (NiCad)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

After replacing a laptop touchpad, a technician finds that the touchpad does not move the cursor. However, the attached USB mouse does.

Which of the following actions should the technician perform before opening the laptop case to re-check the connection?

A

Unplug the USB mouse and re-check touchpad movements.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A technician is tasked with replacing an internal laptop hard drive.

Which of the following hard drive standards is of MOST concern when selecting a replacement that is compatible with the laptop?

A

The hard drive’s form factor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

You need to replace the hard disk in your laptop computer. Which of the following hard drive sizes should you choose for the laptop?

A

2.5”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A technician is tasked with replacing a Wi-Fi antenna in a laptop computer.

Which of the following places is the antenna MOST likely to be located in?

A

Around the laptop’s bezel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

You are a technician tasked with replacing the processor in a client’s laptop. The laptop has been experiencing overheating issues and the client suspects the processor might be the cause.

After opening the laptop, you notice that the processor is soldered onto the motherboard.

What which of the following would be the BEST next step?

A

Advise the client to purchase a new laptop.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

You are putting together a system for a graphic artist and need to make sure that you find a display that meets their needs. The display needs to have very good color reproduction quality and viewing angles. The display also needs to have proper cooling and be power-efficient.

Which of the following display types will MOST likely meet these needs?

A

LCD display with IPS panel.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Match each LCD type with the corresponding benefit or characteristic.

The least expensive, thinnest, and most widely used type of LCD.

A

WLED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Match each LCD type with the corresponding benefit or characteristic.

Able to dim specific regions of the screen.

A

Full-array WLED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Match each LCD type with the corresponding benefit or characteristic.

Produces better colors than WLED (consumes more energy).

A

CCFL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following LCD display technologies is the BEST choice for use on touchscreen displays?

A

In-plane switching (IPS)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

You have recently been given an older laptop to use for performing basic tasks such as sending emails and editing documents.

However, when the display changes from one color to another, you notice that there is some distortion in the image.

Which of the following LCD technology types is MOST likely being used for the LCD display?

A

Vertical alignment (VA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

You are troubleshooting a malfunctioning notebook computer system. The user has indicated that the LCD screen suddenly became dark and difficult to read while they were downloading a large file through the wireless network while the system was plugged in at their desk. You have checked the system and determined that the backlight has stopped working.

Which of the following are the MOST likely causes? (Select two.)

A

The inverter in the LCD assembly has malfunctioned.
The cold cathode fluorescent lamp (CCFL) has burned out and needs to be replaced.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which of the following are advantages of using an OEM replacement LCD display? (Select two.)

A

The LCD display is the same quality as the screen you are replacing. The LCD display is guaranteed to work as a replacement.

17
Q

When a user rotates a mobile device, the operating system changes the screen orientation so that the display remains upright for the user.

Which of the following technologies detects this movement on a mobile device? (Select two.)

A

Accelerometer Gyroscope

18
Q

Which of the following display technologies suffer from motion blur?

A

LCD projector

19
Q

You are in charge of putting together the display design for a new conference center at your organization. The conference center will be in a large auditorium with 500 or more seats.

Which of the following technologies will provide a large display for such a group and also provide very high resolutions?

A

DLP projector

20
Q

Ida, one of the employees in the sales department, needs a way to display her PowerPoint sales presentation to a large group of potential customers. She has asked you to set up the conference room in preparation for her presentation. You will need to purchase a display system for the conference room.

Which of the following display systems would be the BEST to purchase?

A

A large screen and a projector

21
Q

You have recently purchased a new, foldable smart phone.

Which of the following types of mobile device display technologies is MOST likely being used for the foldable display?

A

OLED

22
Q

Which of the following mobile device components are often installed under the bezel of a mobile device display? (Select three.)

A

Webcam
Wi-Fi antenna wires
Microphone

23
Q

Why are plasma displays smaller than 32 inches not typically sold?

A

It’s too cost-prohibitive to manufacture plasma screens under 32 inches.

24
Q

Mobile devices can connect to the internet and other devices using a variety of connection types.

Used to obtain wireless internet access using a WLAN.

A

Hotspot

25
Q

Mobile devices can connect to the internet and other devices using a variety of connection types

Provides mobile devices with access to network resources and software applications on a home network.

A

Mobile VPN

26
Q

Mobile devices can connect to the internet and other devices using a variety of connection types.

Allows you to share a phone’s internet connection with a laptop.

A

Tethering

27
Q

You currently use the Exchange email client on your desktop PC. You use the Exchange email client to connect to an email server, which utilizes the IMAP and SMTP protocols. You recently purchased an iPad, and you want to configure its Mail app to connect to your email server.

A

You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols.

28
Q

A technician is tasked with adding a valid certificate to a mobile device so that encrypted emails can be opened.

Which of the following email protocols is best for the technician to use?

A

S/MIME

CompTIA A+ (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions