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AWS Certified Solutions Architect - Associate · AWS
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return identical datasets = Cash
Answer is B This will help reduce the frequency of calls to the database and improve overall performance by serving frequently accessed data from the cache instead of fetching it from the database every time. It’s is not option C as it suggests implementing an RDS for MySQL read replica to cache database calls. While read replicas can offload read operations from the primary database instance and improve read scalability, they are primarily used for read scaling and high availability rather than caching. Read replicas are intended to handle read-heavy workloads by distributing read requests across multiple instances. However, they do not inherently cache data like ElastiCache does.
Answer is B This will help reduce the frequency of calls to the database and improve overall performance by serving frequently accessed data from the cache instead of fetching it from the database every time. It’s is not option C as it suggests implementing an RDS for MySQL read replica to cache database calls. While read replicas can offload read operations from the primary database instance and improve read scalability, they are primarily used for read scaling and high availability rather than caching. Read replicas are intended to handle read-heavy workloads by distributing read requests across multiple instances. However, they do not inherently cache data like ElastiCache does.