Study the exhibit carefully. NAT has been used for converting all the IP addresses on the internal network to the single address 128.107.1.1 as traffic is routed toward the Internet. Which of these statements accurately describes what will happen when the IP traffic returns from the Internet destined for hosts on the internal network?

A.
IR will convert the source IP addresses of all packets before forwarding them onto the internal network.

B.
ER will translate the destination IP addresses of all packets before forwarding them to IR.

C.
ER will require a route to 172.16.0.0/16 in its routing table to properly direct the traffic.

D.
ER can use the directly connected interface on the 128.107.1.0/27 network to route return traffic to its originators.