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AWS Certified Solutions Architect - Associate · AWS
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Probably the answer is B and D. I hate how AWS is getting so sloppy with the questions. We have to answer by eliminating the ones that seem farther from the best solution. Creating a replica for the RDS DB Instance is not going to do help, unless you change your application to start using it for reading operations. For some sloppy questions like this one, you have to assume that the rest of the answer is implicit, however, for some other questions they are very strict and you can not assume a comma...
A - Redshift is for OLAP, not OLTP B - Caching, reduces page load time and server load C - S3 can't host dynamic (!) content D - Read Replica is meant for increasing DB performance E - Multi-AZ is meant for HA (not asked here)
The two options that will best help resolve the slow page loads are: B) Set up an Amazon CloudFront distribution and E) Configure a Multi-AZ deployment for the RDS DB instance Explanation: CloudFront can cache static content globally and improve latency for static content delivery. Multi-AZ RDS improves performance and availability of the database driving dynamic content.