SAP-C02 · Question #397
A company runs an loT application in the AWS Cloud. The company has millions of sensors that collect data from houses in the United States. The sensors use the MOTT protocol to connect and send data t
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Question
A company runs an loT application in the AWS Cloud. The company has millions of sensors that collect data from houses in the United States. The sensors use the MOTT 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 MOTT 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 MOTT broker. Use
- BSet up AWS loT 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 loT Greengrass to receive the sensor data. Update the DNS record in Route 53 to
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