After load testing on the QA environment, which showed good performance results with 10,000 users, the new version was installed in the production environment. However, users are reporting performance issues, and there are only 7,000 users currently utilizing the application. The configuration of each environment is shown in the table below.
Which of the following is the MOST likely cause of differing performance in the QA and PROD environments?
A. The load testing does not cover all user scenarios.
B. Synchronous replication is slowing down production.
C. More RAM needs to be configured for the QA VMs to match PROD.
D. The QA environment should have been tested with 7000 users.
