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CompTIA A+ 902 > Understanding Mobile Operating Systems > Flashcards

Understanding Mobile Operating Systems Flashcards

1
Q

Name the version of Android 5.0

A

Lollipop

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2
Q

Name the version of Android 4.0

A

Ice Cream Sandwich

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3
Q

Name the version of Android 4.4

A

Kit Kat

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4
Q

The first generation of iOS was released in ___ , concurrently with the first iPhone.

A

2007

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5
Q

The iOS system is built on the same foundation as Apple’s desktop OS X, which was built on the distribution ____of ___.

A

Darwin UNIX

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6
Q

What version of windows phone was released in 2012 and what are some of the features?

A

Windows Phone 8

Uses Windows NT kernel; apps can theoretically work on both platforms seamlessly.

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7
Q

What version of windows phone was released in 2014 and what are some of the features?

A

Windows phone 8.1

Interface upgrades, Cortana voice assistant, dropped requirements for physical Start and Search buttons on the device.

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8
Q

____ is the programming code used in the creation of software.

A

Source code

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9
Q

____ also known as closed-source and vendor-specific software—is licensed to others for use but is kept within the control of the original publisher.

A

Proprietary software

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10
Q

Apple requires ___ fees from developers while Android requires only a ___ fee.

A

annual

one-time

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11
Q

If you so desire, you can create iOS apps using the iOS ___ available at www.apple.com.

A

SDK

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12
Q

Apps developed for iOS will have an filename ____ extension.

A

.ipa (iOS App Store Package)

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13
Q

Apps developed with the Android SDK will have an ___ extension.

A

.apk (application package file)

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14
Q

Mobile devices are built around a concept called _____, whereby users use their fingers and various movements to interact with their touchscreen.

A

gesture-based interaction

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15
Q

The three gestures that most mobile OSs understand are tap, swipe, and pinch, and the sensors are part of a closely related concept called ____.

A

kinetics

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16
Q

____ refers to the sense of motion.

A

Kinetics

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17
Q

Most mobile devices can automatically detect their position and use the detected information to reorient the screen to match the ____ of the device.

A

orientation

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18
Q

What movements does the accelerometer use to detect device orientation?

A

forward/backward, left/right, up/down

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19
Q

What movements does the gyroscope use to dectect device orientation?

A

roll, pitch, yaw

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20
Q

An ____ measures the acceleration—change in velocity, which is a function of speed and direction—of an object.

A

accelerometer

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21
Q

These three axes (x, y, and z) of movement make up the totality of an ____ capabilities.

A

accelerometer’s

22
Q

a ___ would sense a change in ____ if you lifted the top or bottom edge of the phone and flipped it toward the opposite end until the phone is once again face down, except that it is now also upside-down, in your hand.

A

gyroscope

pitch

23
Q

____ is the relative and absolute positioning of your device from the viewpoint of the planet and space

A

Geolocation

24
Q

A ___ allows a device to sense magnetic fields, such as the one our planet exhibits at the magnetic north pole.

A

magnetometer

25
Q

Using a ____, iPhones and Android devices allow for apps that act as compasses, giving you instantaneous access to the direction in which the top of your phone is pointing with respect to magnetic north.

A

magnetometer

26
Q

___ uses similar information to add location information to various forms of media, such as photographs taken with the device and messages sent with the device.

A

Geotagging

27
Q

Either a firm, often pointed, stylus or your fingernail is highly effective on ___ touchscreens.

A

resistive

28
Q

With ____ touchscreens, the same two layers of ITO as used with resistive screens are placed between two pieces of glass, resulting in a very smooth, silky surface to the touch.

A

capacitive

29
Q

The area of the screen with icons is known as the ___.

A

launcher

30
Q

Customized launchers are sometimes referred to as ___.

A

home screen replacements

31
Q

A second classification of launchers is that of ____, which will adapt and try to put the most relevant information in front of you.

A

smart launchers

32
Q

Siri and Google Now are examples of a ____

A

virtual assistant

33
Q

___ was first bundled with iOS 5 on the iPhone 4S in 2011.

A

Siri

34
Q

First, there is a ____ OS that manages all wireless communication, which is actually handled by a separate processor.

A

baseband

35
Q

a ___ OS manages all data transfers between the phone and the SIM chip, which is a small memory chip that stores user account information, phone identification, and security data, and it is generally tied to a specific carrier.

A

subscriber identity module (SIM)

36
Q

___ is a 15-digit serial number that is unique to each phone.

A

International Mobile Equipment Identity (IMEI)

37
Q

____ is an alternate form of a serial number. It’s identical to the first 14 numbers of the IMEI.

A

Mobile Equipment Identifier (MEID)

38
Q

____ is a unique 15-digit identifier that describes a specific mobile user and their network.

A 
International Mobile Subscriber Identity (IMSI)
*Note
IMSI is composed of three elements
Mobile Country Code 
Mobile Network Code
Mobile Station Identifier Number
39
Q

This is a three-digit code, such as 310 for the United States and 234 for the United Kingdom.

A

Mobile Country Code

40
Q

This is a two- or three-digit code that identifies the carrier. Many carriers have multiple codes. For example, in the United States, 006 is a Verizon code, and 170 and 410 (among others) are AT&T.

A

Mobile Network Code (MNC):

41
Q

This is a sequential serial number.

A

Mobile Station Identifier Number (MSIN)

42
Q

This is a 19- or 20-digit identifier for each SIM chip globally. It’s like a serial number for the SIM card.

A

Integrated Circuit Card Identifier (ICCID)

43
Q

This is a very long hexadecimal code that uniquely identifies the phone, and it is used in security applications, NFC, and features like Apple Pay.

A

Secure Element Identifier (SEID)

44
Q

To set up a VPN on an iPhone, go to Settings ____➢___ ➢ _____

A

General
VPN
and tap Add VPN Configuration.

45
Q

The IEEE ____ specifies wireless personal area networks (WPANs) that use Bluetooth for data-link transport.

A

802.15

46
Q

____ is used to communicate between a client and the client’s mail server to retrieve mail with little interaction.

A

Post Office Protocol (POP)

47
Q

____ is used to communicate between a client and the client’s mail server to retrieve mail with extensive interaction.

A

Internet Message Access Protocol (IMAP)

48
Q

Which mail protocol commonly uses TCP port 587?

A

SMTP with TLS

49
Q

You have a Verizon 4G mobile phone that you want to use as a mobile hotspot. How many connections are you allowed to support simultaneously on that device?

A

10

50
Q

You have a Verizon 3G mobile phone that you want to use as a mobile hotspot. How many connections are you allowed to support simultaneously on that device?

A

5

51
Q

What standard is used to encrypt and decrypt email messages on mobile devices?

A

S/MIME

CompTIA A+ 902 (11 decks)

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