An administrator is working in an IT infrastructure where traditional routing methods are followed for routing network traffic. What are the three challenges for an administrator in this infrastructure? (Choose three.)
A. The use of East-West traffic is not secure within a data center
B. North-South routing methods limit data center scalability.
C. The complexity of routing increases in a multi-tenant environment.
D. A suboptimal traffic route is used to reach destination.
E. Adding new servers to an isolated network became difficult.
