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A company has deployed a web application in an Amazon VPC. A CloudFront distribution is used for both scalability and performance. The operations team has noticed that the cache hit ratio has been dropping over time leading to a gradual degradation of the performance for the web application. The cache metrics report indicates that query strings on some URLs are inconsistently ordered and are specified in a mixture of mixed-case letters. Which actions can a Solutions Architect take to increase the cache hit ratio and resolve the performance issues on the web application?