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CompTIA+ > eCompTIA A+ Core 1: Mobile Device Accessories & Network Connectivity > Flashcards

eCompTIA A+ Core 1: Mobile Device Accessories & Network Connectivity Flashcards

1
Q

Describe USB 1.1

A

Offers low and high speed version

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2
Q

Describe USB 1.1 low speed version

A

1.5 megabits per second

3 metres in length

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3
Q

Describe USB 1.1 high speed version

A

12 megabits per second

5 meter length

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4
Q

What can USB(universal serial bus) be used for

A

External storage devices
Webcams
Mouse and keyboard
Printers

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5
Q

Describe Universal serial Bus 2.0

A

Improved performance
480 megabits per second
5 metre length

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6
Q

Describe USB 1.1 and USB 2.0 connectors

A

Standard-A plug, the end that was inserted into your computer

Standard-B plug, inserted into the peripheral device, found mostly on printers

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7
Q

Describe Mini-B plug and Micro-B plug

A

both mainly used on smaller devices where space was limited, such as a digital camera

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8
Q

Describe Universal Serial Bus 3.0

A

5 gigabits per second

Approximately 3 meter length

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9
Q

Describe Universal serial bus 3.0 connectors

A

weren’t any different to the previous generation expect faster with interior plastic lining that was blue

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10
Q

Name universal serial bus 3.0 connectors

A

USB 3.0 standard- B plug
USB 3.0 standard-A plug
USB 3.0 micro-B plug- shaped physically differently

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11
Q

Describe Universal Serial Bus 3.1

A

Superspeed +
10 Gbps
Type A or USB-C(used)

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12
Q

Describe Universal serial bus 3.2

A

Newest devices
10 Gbps or 20Gbps
USB-C(used)

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13
Q

Describe USB-C connector

A

24 pins

Double sided- upside down plug dosne’t matter, can be plugged in either way

uses the same connector on both the host and the device ends, doesn’t matter either

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14
Q

Features of the lighting cable

A

Proprietary to Apple products

Used for charging and data transfer

Contains 8 pins per side

Can be inserted face up or dooown

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15
Q

Why is lighting cable better than Micro USB

A

Delivers Higher power
Better durability
Simpler to connect

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16
Q

Describe MFI certifcation

A

Stringent manufactures certification of Apple
Made for Iphone/Ipad/Ipod
Guarantees safety standards

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17
Q

What are the different lighting connector adapters

A 
30-pin
USB
HDMI
VGA
SD cards
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18
Q

Describe DA-15

A

name indicates 15 pins or sockets arrananged in two rows, one of 8 and one of 7

Most commonly used for gaming controllers, some video outputs

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19
Q

Describe DB-25

A

Communications port

Most used for printer connections, some audio connections and some broadcast video equipment

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20
Q

Describe DC-37

A 
Used for specific industry equipment such as
 aerospace
various industrial instruments
monitors
scanners
defence
healthcare
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21
Q

Describe DD-50

A

uses three rows arranged in a 17 by 16 by 17 configuration

Most commonly used for devices that needed much faster data transfer rates than those of a serial port
any kind of SCSI equipment

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22
Q

Describe DE9

A

Communications port
Token ring network interfaces
Some very old video connections
Legacy computer mouse connector

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23
Q

Features of NFC

A 
No pairing
No device discovery
Instant communication
Data sharing
Short distance
Radio-frequency identification
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24
Q

Features of Bluetooth

A

Bluetooth devices must discover each other first and must be paired before any data will be exchanged

Also uses RFID(Radio frequency identification), but much greater range, 30 feet

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25
Q

Features of hotspots connection types

A

Physical access point
Public access
Private or secured hotspots
Mobile hotspot connections

26
Q

Describe touch pens

A

Pen shaped instrument
Specifically manufactured tips
Conductive and resistive stylus

27
Q

Describe headsets

A

Hands-free audio-
Wired headsets, uses bluetooth to connect
Wireless headsets- draw power from mobile device
used to listen too music

28
Q

Describe speakers

A

Battery powered
Bluetooth connection
Stereo sound
External speakers

29
Q

Describe webcams:

A

Are emdded in laptops or physically connected to computers

can capture still images or videoo

Can transmit video to the internet or save content locally

30
Q

Describe drawing pads

A

Drawing surface
specialised drawing pen
Function hot keys
Light and small

31
Q

key features of docking stations

A 
Extra connectors
USB
HDMI
VGA
ETHERNET
32
Q

Describe cold docking

A

Cold docking means that you must power down entirely and reboot before the new device will be recognized.

33
Q

Describe warm docking

A

Warm means that you must go into at least a sleep or a hibernation mode

34
Q

Describe hot docking

A

hot means that it will be detected automatically, even when fully powered up and operating

35
Q

key features of port replicator

A

Similar to docking station
Provides additional functionality to laptops
Smaller, lighter, and more portable than a docking station

36
Q

Name port replicator connections

A

Parallel
Serial
USB
SCSI

37
Q

describe port replicator

A

The port replicator connects to the laptop over a parallel or a serial connection, USB, or even SCSI.

38
Q

How do you enable Bluetooth connectivity(mobile device)-

A

Access settings and enable bluetooth

39
Q

How do you enable Bluetooth(laptop MAC)

A

enabled in settings under devices

40
Q

How do you enable Bluetooth(laptop windows)

A

found in system preferences bluetooth

41
Q

How do you pair Bluetooth

A

Set to discoverable mode
Lists discoverable devices
Nearby Devices
Select desired device

42
Q

How do you test Bluetooth connectivity

A

Ensure devices are Bluetooth enabled
Reboot devices and connect again
Ensure devices are in range
Try connecting to a known working Bluetooth device

43
Q

Define global positioning system(GPS)

A

GPS uses standard radio transmissions

received by your mobile device from several satellites

allow your device to determine its geolocation.

44
Q

Describe Triangulation

A

Smartphone GPS receiver
determine location and time
Four satellites are required

45
Q

Describe cellular location services

A

Device actively calculating current location
Commonly using satellites
Often using a combination of internet connectivity and cellular data

46
Q

Describe MDM(mobile device management)

A

Optimize the functionality and security of mobile devices

Protect the corporate network

process is effectively exclusive to business or corporate environments.

47
Q

Describe mobile device management features

A 
Device configuration
Remote wipe
Password enforcement
Device tracking
data encryption
allow list/blocklist
48
Q

Features of mobile device synchronization

A

Using multiple devices
Access anytime and anywhere
Access different types of data

49
Q

Describe ActiveSync features

A

Synchronizes data between mobile devices and desktop computers
File transfer and backup
App installation and uninstallation

50
Q

Describe automobile synchronizations with bluetooth

A

IOS carplay

Android auto

51
Q

Describe synchronize to cloud

A

Google account

iCloud account

52
Q

Describe GSM(global system for mobile communication)

A

a network of gateways , allow access to the network

, and repeaters and relays which boost signal strength

and pass communications along the network.

53
Q

What do cellular networks support

A

3G
4G
5G

54
Q

Describe features of GSM networks

A

Cellular phone uses GSM networks
Enable voice calls
Transfer data

55
Q

Describe CDMA(code division multiple access)

A

Used to provide multiple devices simultaneous access

a form of multiplexing

each device is assigned a code

allows numerous signals on a single transmission channel

56
Q

Describe SIM card(Subscriber identity module)

A

Chip inserted inside mobile devices
Used to connect mobile device to GSM networks
Identifies devices on a network

57
Q

Describe airplane mode

A 
Standard feature on mobile devices
Turns off wireless antenna including the following services:
GSM
WI-FI
Global Positioning system(GPS)
58
Q

Describe tethering

A 
Connecting to mobile device
Enables a network connection
Process
- connect the laptop using a USB/charing cable
- enable hotspot on the mobile device
59
Q

Describe IMEI(International Mobile equipment Identity)

A

IMEI value is uniquely assigned to the device itself and can be used to allow or disallow access to the provider network.

60
Q

Describe IMSI(International Mobile Subscriber Identity)

A

IMSI is another unique identifier

, it’s assigned to you as the subscriber, not the device,

allows provider to still allow you to access their network even when you change a new device

CompTIA+ (8 decks)

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