Refer to the exhibit. Router 1 was experiencing a DDoS attack that was traced to interface gigabitethernet0/1.Which statement about this configuration is true?

Refer to the exhibit. Router 1 was experiencing a DDoS attack that was traced to interface gigabitethernet0/1.Which statement about this configuration is true?

A. Router 1 accepts all traffic that ingresses and egresses interface gigabitethernet0/1. B. Router 1 drops all traffic that ingresses interface gigabitethernet0/1 that has a FIB entry that exits a different interface. C. Router 1 accepts source addresses that have a match in the FIB that indicates it is reachable through a real interface. D. Router 1 accepts source addresses on interface gigabitethernet0/1 that are private addresses.