200-901 · Question #483
200-901 Question #483: Real Exam Question with Answer & Explanation
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Question
A developer creates a REST API that runs on a load balancer for clients to query information about stocks. The data in the back-end database is updated every 15 minutes, but clients are polling the API every 2 minutes. The developer needs to reduce the load on the database without making changes to the client side. Which constraint must the engineer address?
Options
- AThe load balancer is not configured to use memcached as the primary back end.
- BUse of Cache-Control headers and max-age validation is not enforced.
- CRequest throttling on the load balancer database is not enabled.
- DDynamic IP deny listing, which allows requests every 15 minutes, is not configured.
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