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DVA-C02 · Question #172
DVA-C02 Question #172: Real Exam Question with Answer & Explanation
The correct answer is A: Write data to Amazon ElastiCache.. By storing session data in ElastiCache, you ensure that regardless of which EC2 instance handles a given request, the session data can be consistently and rapidly accessed.
Submitted by yousef_jo· Mar 5, 2026Development with AWS Services
Question
An application runs on multiple EC2 instances behind an ELB. Where is the session data best written so that it can be served reliably across multiple requests?
Options
- AWrite data to Amazon ElastiCache.
- BWrite data to Amazon Elastic Block Store.
- CWrite data to Amazon EC2 Instance Store.
- DWrite data to the root filesystem.
Explanation
By storing session data in ElastiCache, you ensure that regardless of which EC2 instance handles a given request, the session data can be consistently and rapidly accessed.
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