What is a major difference of MQTT in terms of design compared to AMQP?

Question

Options

• AMQTT requires more bandwidth.
• BMQTT has very low overhead.
• CMQTT has more advanced routing features for messages.
• DMQTT provides routing based on headers.

• A
  3% (1)
• B
  89% (33)
• C
  5% (2)
• D
  3% (1)

Explanation

MQTT was purpose-built for constrained devices and unreliable networks (think IoT sensors), so its defining design characteristic is minimal overhead - the fixed header is just 2 bytes, making it extremely lightweight. Option A is wrong because MQTT actually uses less bandwidth than AMQP, not more. Option C is wrong because it's AMQP that offers advanced routing through exchanges and binding rules, while MQTT uses a simple publish/subscribe topic model. Option D is wrong because header-based routing is an AMQP feature (via message headers and exchange types), not MQTT's.

Memory tip: Think "MQTT = Minimal" - it was designed for the M in IoT (minimal power, minimal bandwidth, minimal protocol overhead). AMQP is the "enterprise" protocol with routing power; MQTT is the "embedded" protocol built for efficiency.

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