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Question 17:

Your 3-tier application has been running smoothly in a production environment for over 3 months. Due to a recent television campaign, you have started to experience three times the volume of normal traffic. Your architect has suggested that a round robin load distribution mechanism be employed to cope with the issue. How is DNS round robin going to be helpful in this situation?

 

Splitting requests evenly amongst all back end servers.

The proxy sits behind the backend servers monitoring the performance of each one. When it notices one is being used too much it will automatically forward requests to a different server.

Time each server has available.

A technique used to target certain requests to certain backend servers, e.g. All Servlet requests from one server and all static HTML from another.