ICT Mobile and IoT Devices 3

Question 1

An IoT temperature sensor needs to transmit data over several miles with very low power. Which LPWAN technology is most appropriate?

Accepted Answer

LoRaWAN

Answer

LoRaWAN (Long Range Wide Area Network) supports long-range transmission (up to 15+ km) with extremely low power consumption, ideal for remote IoT sensors.

Question 2

Which mobile device management (MDM) enrollment method requires no user interaction and automatically configures corporate settings when a new device is first powered on?

Accepted Answer

Zero-touch enrollment

Answer

Zero-touch enrollment pre-configures devices before distribution so they automatically enroll in MDM when first activated.

Question 3

What is the purpose of an eSIM in modern mobile devices?

Accepted Answer

Provides a programmable SIM without a physical card

Answer

An eSIM (embedded SIM) is a programmable chip built into the device that can be remotely provisioned with carrier information without a physical SIM card.

Question 4

A smart home hub uses Z-Wave to control devices. What frequency band does Z-Wave primarily operate on in the US?

Accepted Answer

908.42 MHz

Answer

Z-Wave in the US operates at 908.42 MHz, which provides better wall penetration than 2.4 GHz and avoids Wi-Fi congestion.

Question 5

Which feature in iOS allows apps to continue brief background tasks after the user switches away, such as finishing a download?

Accepted Answer

Background App Refresh

Answer

Background App Refresh allows iOS apps to fetch new content and complete tasks in the background when on Wi-Fi or cellular.

ICT - Information Communication Technology Practice Test

ICT - Information Communication Technology Practice Test

ICT Mobile and IoT Devices 3