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CompTIA A+ cert 1 > 1.5 MOBILE DEVICE CONNECTIONS > Flashcards

1.5 MOBILE DEVICE CONNECTIONS Flashcards

1
Q

Most common USB connector used today?

A

USB-C

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2
Q

How many pins in a USB-C connector?

A

24

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3
Q

How many pins in a Lightning connector?

A

8

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4
Q

Advantages of Lightning cable over USB-C cable?

A
  • higher power output to phones and tablets
  • can be inserted either way
  • simpler and more durable
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5
Q

What are the two types of USB connection that are serviced by a USB-C?

A

USB2.0 and USB3.1

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6
Q

What is tethering?

A

Physically connecting a device to your mobile phone for the purpose of internet or data connection.

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7
Q

How does a hotspot work and what type of network connection does it use?

A
  • Turns phone or mobile device into a router

- 802 network connection

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8
Q

What is a LAN?

A

Local Area Network

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9
Q

What is a PAN?

A

Personal Area Network

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10
Q

What is a MAN?

A

Metropolitan Area Network

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11
Q

What is NFC? How does it work? What is it typically used in?

A
  • Near Field Communication
  • sends small amounts of data wirelessly over a limited area
  • used most commonly in payment systems, transportation and in-person info exchange
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12
Q

What type of network is Bluetooth?

A

PAN

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13
Q

What is faster - NFC or Bluetooth

A

Bluetooth

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14
Q

What is IR? What is it most commonly used for in the 2020s?

A
  • Infrared

- Most commonly used for controlling entertainment centers

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15
Q

What sort of connector does a wired headset require?

A

3.5mm TRRS connector

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16
Q

What does TRRS stand for?

A

tip-ring-ring-sleeve

17
Q

How do game pads connect with a mobile device?

A

Bluetooth

18
Q

What are three ways a credit card reader may connect with a mobile device?

A
  • audio jack
  • lightning port on iOS
  • Bluetooth
19
Q

What is the function of MicroSD and what devices is it not available on?

A
  • increases the storage capacity of a smartphone or tablet

- not available on iOS

CompTIA A+ cert 1 (12 decks)

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