IOT IoT Protocols and Standards 3

Question 1

What does the LwM2M (Lightweight M2M) protocol define for IoT device management?

Accepted Answer

A protocol for device management and service enablement on constrained IoT devices

Answer

A protocol for high-bandwidth video streaming from IoT cameras

Answer

A standard for IoT device packaging

Answer

A protocol for satellite IoT communications

Question 2

Which protocol operates at the application layer and is specifically designed for home automation, using a mesh network topology?

Accepted Answer

Zigbee

Answer

NFC

Answer

LTE-M

Answer

Ethernet

Question 3

What is the Thread protocol designed to improve upon compared to Zigbee in smart home IoT?

Accepted Answer

Native IPv6 support and direct internet connectivity without a proprietary hub

Answer

Power consumption only

Answer

Higher data rates

Answer

Longer wireless range

Question 4

Which standard governs the HART (Highway Addressable Remote Transducer) protocol used in industrial IoT?

Accepted Answer

HART Communication Foundation Standard

Answer

IEC 62443

Answer

ISA-95

Answer

Modbus TCP

Question 5

What is the Matter protocol (formerly Project CHIP) designed to solve in smart home IoT?

Accepted Answer

Providing a unified interoperability standard across major smart home ecosystems

Answer

Increasing device battery life

Answer

Adding AI capabilities to devices

Answer

Improving IoT device security certificates

Question 6

Which OPC-UA feature makes it suitable for industrial IoT applications requiring both data access and control?

Accepted Answer

Platform-independent, service-oriented architecture with built-in security and information modeling

Answer

Low power consumption for battery devices

Answer

Long-range radio transmission

Answer

Ultra-low latency for sensor data