MQTT Architecture and Working Model Quiz

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What does MQTT stand for?

Message Queuing Technical Transport

Message Queuing Telemetry Transport (correct)

Message Queue Transport Telemetry

Message Queueing Transmission Telemetry

Which of the following best describes the MQTT protocol?

Asynchronous file transfer protocol

Lightweight publication/subscription messaging protocol (correct)

Heavyweight point-to-point messaging protocol

Synchronous request/response messaging protocol

In MQTT, what does QoS stand for?

Quality of Service (correct)

Qualified Order of Service

Quantity of Service

Quick Order of Service

Which statement is true about QoS levels in MQTT?

QoS 2: Exactly once delivery Signup and view all the answers

What is the purpose of QoS in MQTT?

To ensure message delivery quality between client and broker Signup and view all the answers

Which QoS level in MQTT ensures each message is delivered exactly once?

QoS 2 Signup and view all the answers

What happens at QoS level 0 in MQTT?

Messages are delivered at most once Signup and view all the answers

Which QoS level in MQTT ensures that each message is delivered at least once?

QoS 1 Signup and view all the answers

What is the main difference between QoS level 1 and QoS level 2 in MQTT?

At least once delivery vs. Exactly once delivery Signup and view all the answers

What problem does the MQTT-SN variant solve for very restrictive devices?

Transmission of messages over TCP Signup and view all the answers

What is a limitation of MQTT in terms of data and device management?

Platform-specific data representation Signup and view all the answers

How is MQTT described in terms of bandwidth requirements?

Suited for constrained devices with low-bandwidth Signup and view all the answers

What feature of MQTT makes it suitable for establishing communication between multiple devices?

Ability to control outputs remotely Signup and view all the answers

What does MQTT stand for in the context of the text provided?

Message Queuing Telemetry Transport Signup and view all the answers

Which protocol variant uses UDP and supports topic name indexing for restrictive devices?

MQTT-SN Signup and view all the answers

What is a notable characteristic of MQTT's messaging protocol design?

Simplicity for constrained devices Signup and view all the answers

What aspect of MQTT makes it a lightweight publish and subscribe system?

Extensive processing and memory requirements Signup and view all the answers

What differentiates MQTT-SN from standard MQTT in terms of message transmission?

Uses UDP and supports topic name indexing Signup and view all the answers

What makes MQTT an ideal solution for Internet of Things applications?

Low-bandwidth design suitable for constrained devices Signup and view all the answers

MQTT Architecture and Working Model Quiz

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