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DVA-C02 · Question #187
DVA-C02 Question #187: Real Exam Question with Answer & Explanation
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Submitted by ravi_2018· Mar 5, 2026Troubleshooting and Optimization
Question
A mobile app stores blog posts in an Amazon DynamoDB table. Millions of posts are added every day, and each post represents a single item in the table. The mobile app requires only recent posts. Any post that is older than 48 hours can be removed. What is the MOST cost-effective way to delete posts that are older than 48 hours?
Options
- AFor each item, add a new attribute of type String that has a timestamp that is set to the blog post
- BFor each item, add a new attribute of type String that has a timestamp that is set to the blog post
- CFor each item, add a new attribute of type Date that has a timestamp that is set to 48 hours after
- DFor each item, add a new attribute of type Number that has a timestamp that is set to 48 hours
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