Connecting Mobile Devices

Question 1

Why do mobile devices need different connection methods?

Answer 1

To connect to computers and networks for charging, data transfer, and communication.

Question 2

What are the three main types of connectivity discussed?

Answer 2

Wired connectivity, wireless connectivity, and connection standards.

Question 3

What does USB stand for?

Answer 3

Universal Serial Bus.

Question 4

Besides charging, what is USB commonly used for?

Answer 4

Data transfer, synchronization, backup, and device identification.

Question 5

Which USB types were common on older mobile devices?

Answer 5

Mini USB and Micro USB.

Question 6

What is USB Type-A commonly used for?

Answer 6

Connecting to desktop and laptop computers.

Question 7

What is the modern USB connector called?

Answer 7

USB-C.

Question 8

How many pins does a USB-C connector have?

Answer 8

24 pins.

Question 9

What is a major advantage of USB-C’s physical design?

Answer 9

It is reversible and can be plugged in either way.

Question 10

Name two types of signals USB-C can carry besides standard data.

Answer 10

DisplayPort, HDMI, or Thunderbolt.

Question 11

True or False: USB-C supports higher speeds than older USB connectors.

Answer 11

True.

Question 12

What connector did older Apple devices use?

Answer 12

Lightning connector.

Question 13

How many pins does the Lightning connector have?

Answer 13

8 pins.

Question 14

What are two advantages of the Lightning connector?

Answer 14

Reversible design and higher power output than older USB.

Question 15

Why might someone carry multiple cables?

Answer 15

Different devices use different connector types.

Question 16

What connector type is becoming the common standard across devices?

Answer 16

USB-C.

Question 17

What does NFC stand for?

Answer 17

Near Field Communication.

Question 18

What is the typical working distance of NFC?

Answer 18

About 4 centimeters or less.

Question 19

Give one common use of NFC.

Answer 19

Contactless payments or access control.

Question 20

Scenario: You tap your phone at a store to pay. What technology are you using?

Answer 20

NFC.

Question 21

What does Bluetooth typically create?

Answer 21

A Personal Area Network (PAN).

Question 22

What devices commonly use Bluetooth?

Answer 22

Headphones, keyboards, mice, and smartwatches.

Question 23

Scenario: You connect wireless headphones to your phone. What technology are you using?

Answer 23

Bluetooth.

Question 24

What is it called when one device connects to your phone’s internet connection?

Answer 24

Tethering.

Question 25

What is it called when multiple devices connect to your phone’s internet connection?

Answer 25

Hotspot.

Question 26

Who usually controls hotspot and tethering availability?

Answer 26

Your phone’s software and your mobile provider.

Question 27

True or False: Bluetooth is designed for long-distance networking.

Answer 27

False.

Question 28

True or False: NFC is designed for short-range communication.

Answer 28

True.

Question 29

Why might an organization use NFC wall sensors?

Answer 29

For access control without physical ID cards.