Questions and Answers
Which communication protocol is MQTT based on?
TCP/IP
What is the role of the broker in MQTT model?
Ensure security by cross-checking authorizations
Which Quality of Service mode in MQTT is the most reliable but also the most bandwidth-consuming?
QoS2 (Exactly once)
In MQTT, what does QoS1 (At least once) mode ensure?
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What type of protocol is MQTT?
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What is the special design focus of MQTT regarding devices?
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What is one of the reasons why MQTT can be problematic for very restrictive devices?
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Which protocol variant of MQTT uses UDP and supports topic name indexing to address the issues faced by restrictive devices?
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What aspect of data representation and device management is a limitation of MQTT according to the text?
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In a publish and subscribe system in MQTT, what does a device do when it subscribes to a particular topic?
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How are topics represented in MQTT?
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What is one advantage of using MQTT in Internet of Things applications?
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