Mobile Device Network Connectivity and Application Support (Chapter 3)

What does Airplane Mode do?

Disables all wireless antennas, including cellular, Wi-Fi, and Bluetooth.

What is a Mobile Hotspot?

It shares a smartphone's cellular data connection with other Wi-Fi-capable devices.

What are the main cellular standards for 2G and 3G?

GSM, GPRS, EDGE, and UMTS.

What are the requirements for 4G/LTE mobile technology?

It requires IMT-Advanced compliance and updated antennas.

What is the maximum speed offered by 5G technology?

Up to 20 Gbps.

What is an eSIM?

An embedded digital SIM activated remotely by carriers, allowing multiple active lines.

What does IMEI stand for?

International Mobile Equipment Identity.

What is the purpose of the SMTP protocol?

To send mail (outgoing) over the internet.

What does POP3 stand for and what does it do?

Post Office Protocol version 3; retrieves mail and usually deletes it from the server.

What is the function of SSL/TLS in email protocols?

Encrypts data transmission sessions to prevent eavesdropping.

What is GPS used for?

Satellite-based geolocation used for navigation.

What is Geofencing?

Establishes a virtual geographic boundary that triggers actions when a device enters or exits.

What is Cloud Sync?

Synchronizes data continuously over the internet via services like iCloud or Google Drive.

What does Mobile Device Management (MDM) do?

Manages, configures, updates, and secures fleets of mobile devices.

What does BYOD stand for?

Bring Your Own Device.

What is the difference between MDM and MAM?

MDM manages entire devices, whereas MAM focuses on managing corporate applications only.