A company is upgrading a data center network solution in phases. The first phase involves
updating the top of rack (ToR) switches in one rack. Other switches will be updated in their
phases.
What is one benefit of this approach?

A.
It allows the through testing of the solution in real-world circumstances

B.
It ensures that the network can be updated without any scheduled downtime

C.
It removes the need to conduct connectivity and failover tests during the implementation

D.
It removes the need for working with customer change management processes