SAP-C02 · Question #476
SAP-C02 Question #476: Real Exam Question with Answer & Explanation
The correct answer is B: Set up AWS IoT Core to receive the sensor data. Create and configure a custom domain to. Greengrass is typically used for edge computing scenarios and may not be the most suitable solution for addressing MQTT broker reliability and scalability.
Question
A company runs an IoT application in the AWS Cloud. The company has millions of sensors that collect data from houses in the United States. The sensors use the MQTT protocol to connect and send data to a custom MQTT broker. The MQTT broker stores the data on a single Amazon EC2 instance. The sensors connect to the broker through the domain named iot.example.com. The company uses Amazon Route 53 as its DNS service. The company stores the data in Amazon DynamoDB. On several occasions, the amount of data has overloaded the MQTT broker and has resulted in lost sensor data. The company must improve the reliability of the solution. Which solution will meet these requirements?
Options
- ACreate an Application Load Balancer (ALB) and an Auto Scaling group for the MQTT broker. Use
- BSet up AWS IoT Core to receive the sensor data. Create and configure a custom domain to
- CCreate a Network Load Balancer (NLB). Set the MQTT broker as the target. Create an AWS
- DSet up AWS IoT Greengrass to receive the sensor data. Update the DNS record in Route 53 to
Explanation
Greengrass is typically used for edge computing scenarios and may not be the most suitable solution for addressing MQTT broker reliability and scalability.
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