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comptia a+ > Mobile Devices > Flashcards

Mobile Devices Flashcards

1
Q

Mobile devices: What is a Laptop?

A

A clamshell-type computer with a display in the top lid, which closes over an integrated keyboard and pointing device. Touchscreen features are optional.

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2
Q

Mobile devices: What is a Smartphone?

A

A cellular phone that can place regular phone calls and send text messages, but also perform other networking and personal computing tasks.

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3
Q

Mobile devices: What is a Tablet?

A

A computer much like a larger smartphone, with a screen between 7 and 10 inches. Similar to a smartphone.

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4
Q

Mobile devices: What is a Phablet?

A

A computer which combines features of a smartphone and a tablet, and is usually intermediate in size between the two.

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5
Q

Mobile devices: What is a 2-in-1?

A

A laptop with a keyboard that can be removed or folded back so that the entire device can be used as a tablet.

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6
Q

Specialized mobile devices: What is a Smart watch?

A

A small mobile device designed to be worn on the wrist like a watch.

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7
Q

Specialized mobile devices: What is a Fitness monitor?

A

A wearable device designed to monitor and track fitness-related information, such as distance moved, number of steps, calorie consumption, heart rate, and quality of sleep.

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8
Q

Specialized mobile devices: What is a Smartglasses?

A

A device worn like a pair of glasses which can record or transmit what the user is seeing, and can also display additional information to the wearer without disrupting their overall field of vision.

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9
Q

Specialized mobile devices: What is a VR headset?

A

An enclosed headset that creates an immersive virtual reality environment using a display for each eye along with motion tracking, audio and possibly other sensory information.

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10
Q

Specialized mobile devices: What is a Feature phone?

A

A less expensive mobile phone than a smartphone.

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11
Q

Specialized mobile devices: What is a E-reader?

A

device outwardly similar to a tablet, but with functionality limited to downloading and reading electronic versions of books, magazines, and other documents.

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12
Q

Specialized mobile devices: What is a Smart camera?

A

A digital camera with built-in networking capabilities.

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13
Q

Specialized mobile devices: What is a GPS?

A

A mobile device that uses the global positioning system to determine the user’s current location.

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14
Q

Mobile device accessories: What is a Memory card

A

Most mobile devices have a slot for external memory cards, since upgrading internal flash storage is not possible.

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15
Q

Mobile device accessories: What is a Docking station?

A

A hardware frame and set of electrical connections that allow you to quickly connect and disconnect your mobile device to common desktop computer peripherals, such as a monitor, external keyboard, mouse, external disk drives, etc.

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16
Q

Mobile device accessories: What is a Port replicator?

A

Similar to a docking station, but usually simpler and less expensive.

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17
Q

Mobile device accessories: What is a eGPU?

A

Even laptops which have discrete GPUs usually don’t allow you to upgrade them, but you can use an external Graphics Processing Unit to give a laptop or small form factor desktop the graphics power of a gaming or rendering workstation.

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18
Q

Mobile device accessories: What is a Keyboard?

A

Wirelessly connect to mobile devices to give you a full-size manual keyboard. Some snap onto a tablet or smartphone so that the display screen sits perpendicular to the keyboard similar to a laptop.

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19
Q

Mobile device accessories: What is a Card reader?

A

A small peripheral device that connects to your mobile device turning it into a point-of-sale terminal for processing debit or credit card payments.

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20
Q

Mobile device accessories: What is a Headset?

A

A combination of headphones and a microphone.

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21
Q

Mobile device accessories: What is a Replacement battery?

A

Some mobile devices, such as laptops, allow you to easily swap out a low battery for a fully-charged one.

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22
Q

Mobile device accessories: What is a Power bank?

A

A portable battery which connects to your mobile device using its charging cable, providing additional power and on-the-go charging of the device’s internal battery.

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23
Q

Mobile device accessories: What is a 12V charger?

A

charger which can be powered via a 12 V power outlet, such as those in cars.

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24
Q

Mobile device accessories: What is a Wireless charger/

A

A charger which can power a mobile device without electrical contact, using electromagnetic induction.

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25
Q

Mobile device accessories: What is a Cable lock?

A

A lock designed for laptops that may be left unattended in a non-secure place.

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26
Q

Mobile device accessories: What is a Case/cover?

A

Designed to protect a device from accidents or harsh environmental factors.

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27
Q

Mobile device operating systems: Android

A

Developed by Google. Android is an open source operating system, which means that application developers have access to the operating system’s framework for creating applications.

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28
Q

Mobile device operating systems: iOS

A

A vendor-specific operating system developed by Apple, meaning developers must register as Apple application developers and use Apple’s software development kit (SDK).

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29
Q

Mobile device operating systems: Chrome OS

A

Also designed by Google, but originally designed for inexpensive laptops known as Chromebooks rather than smartphones.

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30
Q

Mobile device operating systems: Windows

A

The same closed-source, proprietary operating system Microsoft markets for workstations and servers now have features specifically meant for mobile hardware and usage patterns.

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31
Q

Android, developed by Microsoft, is an open-source operating system. True or False?

A

False, Developed by Google

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32
Q

What allows you to quickly connect and disconnect your mobile device to common desktop computer peripherals?

A

Docking station

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33
Q

A mobile device that uses the global positioning system to determine the user’s current location

A

GPS

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34
Q

An enclosed device that creates a virtual reality environment using a display for each eye along with motion tracking

A

VR headset

35
Q

A mobile device which may have complex characteristics but doesn’t have fully presented mobile operating systems

A

Feature phone

36
Q

A wearable device designed to wear all-day or during certain physical activities and used to track health-related information

A

Fitness monitor

37
Q

A device similar to a tablet, but with functionality limited to downloading and studying electronic versions of books

A

E-reader

38
Q

Mobile device settings: Wireless

A

Most devices have separate controls for mobile (cellular) data, Wi-Fi, Bluetooth, and NFC, so you can enable or disable them individually.

39
Q

Mobile device settings: Location

A

Location tracking can use a combination of mobile, Wi-Fi, and GPS transceivers, and is used by a variety of applications.

40
Q

Mobile device settings: Airplane mode

A

Disables all wireless transceivers at once, making the device compatible with regulations regarding device use on aircraft in flight.

41
Q

Mobile device settings: Sync

A

Toggles automatic syncing of data like contacts, email, and cloud-stored files

42
Q

Mobile device settings: Flashlight

A

Turns on the LED camera flash for use as a flashlight, if your device has one.

43
Q

Mobile device settings: Screen Orientation

A

Toggles whether the screen keeps a fixed orientation, or auto-rotates to match how you’re holding the device.

44
Q

Mobile device settings: Sound

A

Lets you turn device sounds off, or restrict it to vibration only. Useful when you don’t want interruptions.

45
Q

Mobile device settings: Power saving

A

Lengthens battery life by reducing performance and placing restrictions on power-hungry tasks like syncing and location tracking.

46
Q

Mobile device settings: Wireless and networks

A

Settings related to cellular, Wi-Fi, Bluetooth, and other network functions.

47
Q

Mobile device settings: Phone

A

Miscellaneous operating system settings, such as application permissions, sounds, notifications, display, and storage devices.

48
Q

Mobile device settings: Personal

A

User and personalization settings, including accounts, security, backup, and input options.

49
Q

Mobile device settings: System

A

Settings such as date/time, accessibility options, help functions, and system updates.

50
Q

Synchronization: Cloud

A

Synchronizes data with a centralized cloud service, either manually or automatically whenever the device is connected to the internet.

51
Q

Synchronization: Desktop

A

Synchronizes items between a mobile device and a desktop computer, either automatically when it is connected, or as a manual process performed on demand.

52
Q

Synchronization: Device

A

Synchronizes data and settings between two mobile devices.

53
Q

Synchronization: Automobile

A

Links a mobile device’s functions to those of a vehicle’s computer system, typically by a Bluetooth pairing process like any other peripheral.

54
Q

Email account types: IMAP

A

Allows you to download messages to your client for offline browsing, but retains all messages on the mail server until you delete them.

55
Q

Email account types: POP3

A

Still widely supported, but not that popular for mobile devices.

56
Q

Email account types: MAPI

A

Like IMAP, Microsoft Exchange accounts store messages on the server by default, allowing you to synchronize them between multiple clients.

57
Q

What allows the sharing of a mobile device’s Internet connection with other connected computers?

A

Tethering

58
Q

What protocol uses port 143 for regular transmissions and port 993 for encrypted transmissions?

A

IMAP

59
Q

Name a method for the delivery of voice communications and multimedia sessions over the Internet?

A

VoIP

60
Q

In a mobile device, the Reset Network Settings option can fix network connectivity issues but you will need to reconfigure your network settings just like when you connected for the first time. True or False?

A

True

61
Q

S/MIME is a standard for public-key encryption and signing of MIME data. True or False?

A

True

62
Q

Symptom: Short battery life

A

Cause: Brightness settings set too high

63
Q

Symptom: System lockout

A

Cause: Security response to failed logon attempts

64
Q

Symptom: No power

A

Cause: Unplugged or defective A/C adapter

65
Q

Symptom: Frozen system

A

Cause: Lack of sufficient storage or low battery

66
Q

Symptom: Overheating

A

Cause: Improper ventilation or excessive processor use

67
Q

Symptom: No Display

A

Connection to an external display, power failure, or display damage

68
Q

Symptom: Dim Display

A

Brightness settings or auto-brightness settings have been modified

69
Q

Symptom: Flickering Display

A

Improper display settings or driver, especially on a laptop

70
Q

Symptom: Drifting Pointer

A

Touchscreen driver interacting with a mouse, use hand brushing laptop touchpad while typing

71
Q

Symptom: Intermittent Wireless

A

Items or structures blocking the signal between the device and the cell tower

72
Q

Symptom: Touchscreen Non-responsive

A

Touchscreen is broken, dirty, wet, or miscalibrated in OS settings

73
Q

IMAP (Internet Message Access Protocol)

A

A protocol that allows users to download messages to their client for offline browsing, but retains all messages on the mail server until they delete them.

74
Q

International Mobile Equipment Identification (IMEI)

A

A unique identifier assigned to your phone by the manufacturer, and is used to track stolen devices.

75
Q

Name a protocol used for email messaging?

A

SMTP

76
Q

Name a unique identifier assigned to your phone by a manufacturer?

A

IMEI

77
Q

What is the probable cause of the frozen system in a mobile device?

A

Too many apps running at one time

78
Q

What contains settings that enable a device to connect to specific cell towers when it’s roaming?

A

PRL

79
Q

What can be the reason for ghost clicks on a laptop?

A

Touchscreen driver interacting with a mouse

80
Q

What protocol that enables a client to retrieve messages from a mail server?

A

IMAP4

81
Q

What determine(s) the way the smartphone is being held and detect how they are being moved?

A

Accelerometer and gyroscope

82
Q

What port is used by MAPI?

A

135

83
Q

What wireless technology can be used for connecting to other devices and accessories?

A

ANT+

84
Q

What is the probable cause of the screen flickering on a mobile device?

A

Improper display settings or driver

comptia a+ (24 decks)

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