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Which Amazon CloudFront feature lets an architect execute lightweight JavaScript at the edge for request/response modification (URL rewrites, header changes, A/B tests)?
AAmazon EBS
BCloudFront Functions (or Lambda@Edge for heavier logic)
CAmazon SNS
DAmazon Route 53 health checks
Answer & Solution
Correct answer: B. CloudFront Functions (or Lambda@Edge for heavier logic)
CloudFront Functions / Lambda@Edge are the edge-compute hooks (per SAP-C02 §3.3). EBS/Route 53/SNS don't run edge code.
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