Which service style is associated with HTTP and REST?
Correct Answer: D. Resource-oriented web service communication
Practice Library
All MCQs
Browse exam-wise, subject-wise, and country-wise MCQs with explanations.
Which protocol is mentioned in the course content along with MQTT?
Correct Answer: C. MQTT-SN
Which concept is central to reliability?
Correct Answer: B. Confirming and recovering from lost or corrupted data
Which concept is central to congestion control?
Correct Answer: A. Managing traffic load to reduce packet loss and delays
Which option is a proper use of Contiki?
Correct Answer: D. Running lightweight networking software on constrained IoT devices
Which option is a proper use of Cooja?
Correct Answer: C. Simulating an IoT sensor network before real deployment
Which feature of MQTT helps reduce bandwidth for many receivers?
Correct Answer: B. Broker-based publish/subscribe distribution
Which layer is responsible for user services such as REST or MQTT data exchange?
Correct Answer: A. Application layer
Which layer is responsible for end-to-end transport services?
Correct Answer: D. Transport layer
Which layer is responsible for routing packets across networks?
Correct Answer: C. Network layer
Which IoT performance metric indicates network success rate?
Correct Answer: B. Packet delivery ratio
Which communication concept helps avoid sending repeated raw data to the cloud?
Correct Answer: A. Data filtering or aggregation