MQTT can be used wherea.Low data rate is requiredb.Synchronous data transmission is requiredc.small scale networkd.Data reliablility is not requiredCLEAR MY CHOICE
Question
MQTT can be used wherea.Low data rate is requiredb.Synchronous data transmission is requiredc.small scale networkd.Data reliablility is not requiredCLEAR MY CHOICE
Solution
MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol that provides resource-constrained network clients with a simple way to distribute telemetry information. Here's how it relates to each of your points:
a. Low data rate is required: MQTT is designed for connections with remote locations where a small code footprint is required or the network bandwidth is limited. Hence, it's suitable for situations where a low data rate is required.
b. Synchronous data transmission is required: MQTT is based on the publish-subscribe pattern, which is asynchronous. However, it does support Quality of Service (QoS) levels that can ensure message delivery, giving it some level of synchronous behavior.
c. Small scale network: MQTT can be used in small scale networks, but it's also designed to handle large-scale, distributed networks.
d. Data reliability is not required: MQTT supports different levels of Quality of Service (QoS), from "at most once" delivery, to "at least once", to "exactly once". This means it can provide reliable message delivery, but it can also
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