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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
Features of hotspots connection types
Physical access point Public access Private or secured hotspots Mobile hotspot connections
26
Describe touch pens
Pen shaped instrument Specifically manufactured tips Conductive and resistive stylus
27
Describe headsets
Hands-free audio- Wired headsets, uses bluetooth to connect Wireless headsets- draw power from mobile device used to listen too music
28
Describe speakers
Battery powered Bluetooth connection Stereo sound External speakers
29
Describe webcams:
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
Describe drawing pads
Drawing surface specialised drawing pen Function hot keys Light and small
31
key features of docking stations
``` Extra connectors USB HDMI VGA ETHERNET ```
32
Describe cold docking
Cold docking means that you must power down entirely and reboot before the new device will be recognized.
33
Describe warm docking
Warm means that you must go into at least a sleep or a hibernation mode
34
Describe hot docking
hot means that it will be detected automatically, even when fully powered up and operating
35
key features of port replicator
Similar to docking station Provides additional functionality to laptops Smaller, lighter, and more portable than a docking station
36
Name port replicator connections
Parallel Serial USB SCSI
37
describe port replicator
The port replicator connects to the laptop over a parallel or a serial connection, USB, or even SCSI.
38
How do you enable Bluetooth connectivity(mobile device)-
Access settings and enable bluetooth
39
How do you enable Bluetooth(laptop MAC)
enabled in settings under devices
40
How do you enable Bluetooth(laptop windows)
found in system preferences bluetooth
41
How do you pair Bluetooth
Set to discoverable mode Lists discoverable devices Nearby Devices Select desired device
42
How do you test Bluetooth connectivity
Ensure devices are Bluetooth enabled Reboot devices and connect again Ensure devices are in range Try connecting to a known working Bluetooth device
43
Define global positioning system(GPS)
GPS uses standard radio transmissions received by your mobile device from several satellites allow your device to determine its geolocation.
44
Describe Triangulation
Smartphone GPS receiver determine location and time Four satellites are required
45
Describe cellular location services
Device actively calculating current location Commonly using satellites Often using a combination of internet connectivity and cellular data
46
Describe MDM(mobile device management)
Optimize the functionality and security of mobile devices Protect the corporate network process is effectively exclusive to business or corporate environments.
47
Describe mobile device management features
``` Device configuration Remote wipe Password enforcement Device tracking data encryption allow list/blocklist ```
48
Features of mobile device synchronization
Using multiple devices Access anytime and anywhere Access different types of data
49
Describe ActiveSync features
Synchronizes data between mobile devices and desktop computers File transfer and backup App installation and uninstallation
50
Describe automobile synchronizations with bluetooth
IOS carplay | Android auto
51
Describe synchronize to cloud
Google account | iCloud account
52
Describe GSM(global system for mobile communication)
a network of gateways , allow access to the network , and repeaters and relays which boost signal strength and pass communications along the network.
53
What do cellular networks support
3G 4G 5G
54
Describe features of GSM networks
Cellular phone uses GSM networks Enable voice calls Transfer data
55
Describe CDMA(code division multiple access)
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
Describe SIM card(Subscriber identity module)
Chip inserted inside mobile devices Used to connect mobile device to GSM networks Identifies devices on a network
57
Describe airplane mode
``` Standard feature on mobile devices Turns off wireless antenna including the following services: GSM WI-FI Global Positioning system(GPS) ```
58
Describe tethering
``` Connecting to mobile device Enables a network connection Process - connect the laptop using a USB/charing cable - enable hotspot on the mobile device ```
59
Describe IMEI(International Mobile equipment Identity)
IMEI value is uniquely assigned to the device itself and can be used to allow or disallow access to the provider network.
60
Describe IMSI(International Mobile Subscriber Identity)
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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