Q10 — AWS SAP-C02 Ch.3
Question 10 of 75 | ← Chapter 3
Q235. an environmental company is deploying sensors in major cities throughout a country to measure air quality. The sensors connect to AWS loT Core to ingest timeseries data readings.The company stores the data in Amazon DynamoDB For business continuity. the company must have the ability to ingest and store data in two AWS Regions.Which solution will meet these requirements?
- A. Create an Amazon Route 53 alias failover routing policy with values for AWS IloT Core data endpoints in both Regions. Migrate data to Amazon Aurora global tables
- B. Create a domain configuration for AWS loT Core in each Region. Create an Amazon Route 53 latency- based routing policy. Use AWS loT Core data endpoints in both Regions as values. Migrate the data to Amazon MemoryDB for Redis and configure cross-Region replication
- C. Create a domain configuration for AWS IoT Core in each Region. Create an Amazon Route 53 health check that evaluates domain configuration health. Create a failover routing policy with values for the domain name from the AWS loT Core domain configurations. Update the DynamoDB table to a global table ✓
- D. Create an Amazon Route 53 latency-based routing policy. Use AWS IoT Core data endpoints in both Regions as values. Configure DynamoDB streams and cross-Region data replication
Correct Answer: C. Create a domain configuration for AWS IoT Core in each Region. Create an Amazon Route 53 health check that evaluates domain configuration health. Create a failover routing policy with values for the domain name from the AWS loT Core domain configurations. Update the DynamoDB table to a global table
Explanation
The correct answer is: C. Create a domain configuration for AWS IoT Core in each Region. Create an Amazon Route 53 health check that evaluates domain configuration health. Create a failover routing policy with values for the domain name from the AWS IoT Core domain configurations. Update the DynamoDB table to a global table. Option C provides a solution that meets the requirements of ingesting and storing data in two AWS Regions for business continuity. By creating a domain configuration for AWS IoT Core in each Region, you can set up separate configurations for ingestion of data from sensors in major cities throughout the country in each Region. Creating an Amazon Route 53 health check that evaluates the domain configuration health ensures that requests are routed only to healthy endpoints in the respective AWS IoT Core domain configurations. This helps ensure high availability and reliability of the data ingestion process. By creating a failover routing policy with values for the domain name from the AWS IoT Core domain configurations, you can direct incoming requests to the active, healthy endpoint in case of a failure or degradation in one of the Regions. Updating the DynamoDB table to a global table enables multi-Region replication of the data. With a global table, changes made to the DynamoDB table in one Region are automatically replicated to the other Region, ensuring data availability and durability across both Regions. This solution allows the company to ingest and store data in two AWS Regions for business continuity. The domain configurations, health checks, and failover routing policies ensure high availability and reliability of the ingestion process, while the use of a global table in DynamoDB facilitates data replication and synchronization across both Regions. Therefore, the best solution for this scenario is Option C.