Your customer is using PBR as the interception method on its routers. Which mechanism
would you recommend to ensure WAE availability and failover if a WAE fails?

A.
Enable IP SLAs to track WAE appliances

B.
Enable NetFlow to track WAE appliances

C.
Nothing, PBR does not support the tracking of WAE appliances

D.
Nothing, PBR automatically tracks WAE appliances