A network architect has planned several validation tests and user acceptance tests (UATs) for a new HP solution.
In order to ensure meaningful results, what is one step that the network should complete before implementing the new solution?
A . Talk with key authentication to determine valid maintenance windows for the UATs
B . Plan how long it will take to rollback the new solution of the tests indicate poor results
C . Schedule a point of no return, after which results will not be accepted
D . Run the same tests on the existing network solution
Answer: D