A. More secure ज्यादा सुरक्षित
B. Lightweight लाइटवेट
C. Polling is not required पोलिंग की आवश्यकता नहीं है
D. Both (a) and (b) A और B दोनों)
Correct Answer is :
B. Lightweight
Explanation
MQTT (Message Queuing Telemetry Transport) and HTTP (Hypertext Transfer Protocol) are both protocols used for communication between devices on a network, but they have different characteristics that make them suitable for different scenarios. Here are some advantages of MQTT over HTTP: