A new vendor product has been acquired to replace a legacy perimeter security product. There are significant time constraints due to the existing solution nearing end-of-life with no options for extended support. It has been emphasized that only essential activities be performed.
Which of the following sequences BEST describes the order of activities when balancing security posture and time constraints?
A . Install the new solution, migrate to the new solution, and test the new solution.
B . Purchase the new solution, test the new solution, and migrate to the new solution.
C . Decommission the old solution, install the new solution, and test the new solution.
D . Test the new solution, migrate to the new solution, and decommission the old solution.
Answer: D