AWS Certified CloudOps Engineer - Associate SOA-C03

By Amazon · Question Mode

QuestionQ7

Monitoring, Logging, Analysis, Remediation, and Performance Optimization

A CloudOps engineer needs to troubleshoot performance problems for a web application delivered through Amazon CloudFront. Metrics show a consistently low cache hit ratio, causing many requests to be forwarded to the origin.

Which configuration will increase the cache hit ratio?

Explanation

CloudFront uses the cache key to determine whether a request matches a valid cached object. Including only the minimum necessary request headers, query strings, and cookies reduces cache-key variation, increasing the likelihood of cache hits and reducing origin requests.

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