Learning objectives
- Configure clean and persistent MQTT sessions
- Compare QoS delivery behavior under loss
- Apply TLS, authentication, and ACL controls
- Design bounded reconnect and queue strategies
- Diagnose session loss, duplicates, and overflow
Knowledge checks · 6
- Why is using port 1883 for MQTT in production environments a security risk?
ikc-1e63xsj - A smart home system uses a public MQTT broker (test.mosquitto.org) for controlling door…
ikc-3e4tnm - What is the purpose of topic-level access control (ACL) in MQTT?
ikc-1f8e8us - What security measures should be implemented for a production MQTT system controlling…
ikc-ids1ko - A fleet of 500 delivery vehicles uses MQTT to receive route updates from a dispatch…
ikc-6wtwsd - A developer sets clean_session=false on a temperature sensor that only publishes data…
ikc-auqayg
Placed labs · 0
No lab is placed with this chapter.