Which of the following parameters is being properly tested by this plan?

An upgrade to a web application, which supports 400 users at four sites, is being tested.

The application runs on four servers behind a load balancer.

The following test plan is proposed:

– Have 50 users from site A connect to server 1

– Have 50 users from site B connect to server 2

– Have 50 users from site C connect to server 3

– Have 50 users from site D connect to server 4

Which of the following parameters is being properly tested by this plan?
A . Sizing
B . Connectivity
C . High availability
D . Performance