Module 3

Question 1

GPS acronym

Answer 1

Global Positioning System

Question 2

GPS

Answer 2

GPS uses satellites to transmit signals. Smartphones receive these signals and calculate the phone’s location to an accuracy of 10 meters

Question 3

Wi-Fi

Answer 3

Enables the phone to connect to local networks and internet

Question 4

Bluetooth

Answer 4

is a low power, shorter range wireless technology

Question 5

NFC acronym

Answer 5

Near Field Communication

Question 6

NFC

Answer 6

Enables devices that are in very close proximity to each other. for example smart phones and payment devices

Question 7

Simple Connectivity with Bluetooth

Answer 7

• Hands-free headset -
  
  • Keyboard or mouse -
  • Stereo control -
  • Car speakerphone -
  • Mobile speaker -
• Tethering - A mobile device can connect to another mobile device or computer to share a network connection. Tethering can also be performed with a Wi-Fi connection or a cable connection such as USB.

Question 8

When a Bluetooth device is in discoverable mode, it transmits the following information

Answer 8

• Name
  
  • Bluetooth class
  • Services that the device can use
  • Technical information, such as the features or the Bluetooth specification that it supports
    During the pairing process, a PIN may be requested to authenticate the pairing process.

Question 9

Mobile Device Connectivity

Answer 9

• Never send login or password information using unencrypted text (plaintext).
  
  • Use a VPN connection when possible if you are sending sensitive data.
  • Enable security on home networks.
  • Use WPA2 or higher encryption for security.

Question 10

Wireless Networks

Answer 10

Mobile phones transmit voice signals via radio waves to antennas on towers in specific geographic areas. The network relays signals between towers, commonly used for calls to mobile or wired phones and text messages. GSM is the primary cellular network, while 3G, 4G, 4G-LTE, and 5G indicate enhanced networks for fast data transmission, with 4G being the current dominant mobile network for most phones.