Which two prerequisites must be met?

A company has a Dynamics B65 Finance environment.

The company’s architect is working with a developer to perform multi-user testing with the Performance SDK.

You need to ensure the environment is prepared to achieve the goal.

Which two prerequisites must be met? Each correct answer presents part of the solution . NOTE: Each correct selection is worth one point.
A . Visual Studio 2019 Enterprise Edition
B . Visual Studio 2015 Professional Edition
C . Tier-2 Sandbox
D . Tier-1 Sandbox

Answer: B,C