Which lightweight protocol is used to send data from the edge compute resources to the cloud?

Question

Options

• AMQTT
• BXMPP
• CAMQP
• DMT Connect

• A
  87% (47)
• B
  2% (1)
• C
  4% (2)
• D
  7% (4)

Explanation

MQTT (Message Queuing Telemetry Transport) is the correct choice because it was purpose-built for constrained environments - low bandwidth, unreliable networks, and resource-limited devices - making it the dominant protocol for edge-to-cloud IoT data transmission. It uses a lightweight publish/subscribe model over TCP, requiring minimal power and processing overhead.

Why the distractors are wrong:

• XMPP (B) is an XML-based messaging protocol designed for real-time communication (like chat); its verbose XML overhead makes it too heavy for edge/IoT scenarios.
• AMQP (C) is a robust, feature-rich messaging protocol suited for enterprise broker-to-broker communication, but its complexity and overhead are excessive for lightweight edge devices.
• MT Connect (D) is a manufacturing-specific standard for machine tool data collection, not a general-purpose edge-to-cloud transport protocol.

Memory tip: Think MQTT = "Minimal Quiet Tiny Transport" - it's the protocol that whispers small packets from tiny devices up to the cloud without wasting resources.

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