IOT IoT Protocols and Standards 2

Question 1

What does the OCF (Open Connectivity Foundation) standard aim to achieve in IoT?

Accepted Answer

Enabling interoperability between IoT devices from different manufacturers

Answer

OCF develops standards and certifications to enable seamless and secure interoperability between IoT devices from different manufacturers.

Question 2

Which protocol is used by Amazon Alexa and Google Home to discover and control smart home devices on a local network?

Accepted Answer

UPnP/SSDP

Answer

UPnP (Universal Plug and Play) and SSDP (Simple Service Discovery Protocol) are used for device discovery on local networks by many smart home platforms.

Question 3

What is the purpose of the 6LoWPAN standard in IoT networking?

Accepted Answer

Enabling IPv6 packets to be transmitted over IEEE 802.15.4 low-power networks

Answer

6LoWPAN adapts IPv6 packets to work over low-power IEEE 802.15.4 wireless networks by compressing headers and fragmenting packets.

Question 4

Which IoT standard framework, developed by the oneM2M consortium, focuses on a horizontal platform for M2M services?

Accepted Answer

oneM2M

Answer

oneM2M is a global standardization body that developed a common M2M service layer platform enabling interoperability across different IoT applications.

Question 5

What is DDS (Data Distribution Service) primarily used for in industrial IoT applications?

Accepted Answer

Real-time, peer-to-peer publish-subscribe data sharing for critical systems

Answer

DDS is a middleware protocol for real-time peer-to-peer data sharing, commonly used in industrial IoT, robotics, and defense systems requiring deterministic performance.

IOT - Internet of Things Practice Test

IOT - Internet of Things Practice Test

IOT IoT Protocols and Standards 2