AWS IoT Services and Device Operations Topic Practice Test
AWS IoT Services and Device Operations Topic के लिए अपना आत्मविश्वास बढ़ाएँ। अवधारणाओं का अभ्यास करें, उत्तरों को समझें और हर सवाल के साथ अपना ज्ञान मज़बूत करें।
एक नमूना सवाल आज़माएँपरीक्षा का परिचय और विवरण
AWS IoT Core प्रमाणन जो IoT आर्किटेक्चर, डिवाइस प्रोविजनिंग, कनेक्टिविटी, सुरक्षा, नियम इंजन, डिवाइस शैडो, और AWS क्लाउड प्लेटफॉर्म पर IoT एनालिटिक्स को कवर करता है।
नमूना प्रश्न
अभ्यास कैसे काम करता है, यह जानने के लिए एक उत्तर चुनें और व्याख्या देखें।
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?