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? A. The load balancer is not configured to use memcached as the primary back end. B. Use of Cache-Control headers and max-age validation is not enforced. C. Request throttling on the load balancer database is not enabled. D. Dynamic IP deny listing, which allows requests every 15 minutes, is not configured. Correct Answer: B This question is in 200-901 exam For getting Cisco Certified DevNet Associate Certificate
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