You are hired to design a solution to improve network availability for users on a campus network with routed access.
Which two recommendations should you make in your design proposal? (Choose two)
A . standby route processors for SSO in the access switches
B . standby route processors for SSO in the core routers
C . redundant power supplies in the access routers
D . standby route processors for SSO in the distribution routers
E . replace copper links between devices with fiber links
Answer: A,C