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MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol designed specifically for IoT devices operating in resource-constrained environments. It uses a publish-subscribe model, allowing devices to send and receive messages via a central broker. MQTT is highly efficient due to its minimal bandwidth requirements, making it ideal for lossy or unreliable networks. It is widely used in IoT applications like home automation, healthcare monitoring, and connected vehicles. Features like Quality of Service (QoS) levels and persistent session support further enhance its reliability in constrained environments. Why Other Options Are Incorrect:
Ratio of the work done by P, Q and R in one day is 8:5:9 respectively. They all together can complete the work in 40 days. Q and R worked on it for 32 d...
A is capable of finishing a task in 60 days. B requires 40% more time than A to finish the same task. How many days will A and B need to complete 80% of...
A can complete a work in 15 days. B takes 6 days less than A to complete the same work. In how many days can both of them together complete 80% of the w...
A can do a piece of work in 12 days, while B alone can do it in 18 days. They work together for 6 days and the rest of the work is completed by C...
Anjali,' 'Bheem,' and 'Chetna' started a business together with initial investments of Rs. 3,875, Rs. (B + 2700), and Rs. 'B,' respectively. After 16 mo...
‘A’ alone can complete a work in 12 days. ‘B’ alone can complete the same work in 20 days. If ‘A’ and ‘B’ work together for 6 days, then...
Individuals 'A', 'B', and 'C' can complete a certain task independently in 3, 4, and 6 days respectively. If they collaborate on the task, how many days...
'B' is 20% more efficient than 'A.' 'A' began working on a task alone and continued for 8 days, after which 'B' took over and completed the remaining wo...
A contractor hired 40 workers to complete a work in 100 days. After 70 days, it was found that only 2/5th of the work was completed. Find the number of ...
A buffalo alone can plough field ‘A’ in 50 days. A Bull alone can plough the field ‘A’ in 75 days. Find the number of days taken by 1 bulls and ...
