AWS IoT Services and Device Operations Topic Practice Test
Gana confianza para AWS IoT Services and Device Operations Topic. Practica los conceptos, comprende las respuestas y refuerza tus conocimientos pregunta a pregunta.
Probar una preguntaDescripción y detalles del examen
Review AWS IoT services, device connectivity, provisioning, device shadows, messaging, security, and telemetry processing. The questions help people building or checking IoT operations knowledge connect device lifecycle tasks with cloud integration and monitoring. Administered by AWS. Key domains include Domain 1: IoT Security, Domain 2: IoT Data Ingestion and Processing, Domain 3: IoT Device Connectivity and Communication and Domain 4: IoT Device Management and Monitoring.
Preguntas de Muestra
Elige una respuesta y consulta la explicación para ver cómo funciona la práctica.
A fleet of 50,000 sensors publishes telemetry every 10 seconds to AWS IoT Core using MQTT. The architect must guarantee that each message is delivered exactly once, even if the broker briefly disconnects. Which QoS level should the devices use, and what is the trade-off?
During device provisioning, the security team wants each device to authenticate using a unique X.509 certificate that is created and registered on the first successful connection, without preloading the certificate at the factory. Which AWS IoT Core feature should be used?
An IoT Events detector model has 3 states: Normal, Warning, Alarm. Transitions are defined by input conditions. Which capability lets the detector emit an SNS alert exactly when entering 'Alarm' (not on every input received in Alarm)?
A rule action must deliver messages to Amazon OpenSearch Service for full-text search. Which Rules Engine action supports this?
A device certificate is expiring in 30 days. Which is the recommended AWS IoT approach for zero-downtime rotation?