The administrator's network has OSPF for the internal routing protocol. One port going out to the Internet is congested.

[answerhappygod]

The administrator's network has OSPF for the internal routing protocol. One port going out to the Internet is congested. The data is going out to the Internet, but queues up before sending.
Which of the following would resolve this issue?
Output:
Fast Ethernet 0 is up, line protocol is up
Int ip address is 10.20.130.5/25
MTU 1500 bytes, BW10000 kbit, DLY 100 usec
Reliability 255/255, Tx load 1/255, Rx load 1/255
Encapsulation ospf, loopback not set

Keep alive 10 -
Half duplex, 100Mb/s, 100 Base Tx/Fx

Received 1052993 broadcasts -
0 input errors
983881 packets output, 768588 bytes
0 output errors, 0 collisions, 0 resets

A. Set the loopback address
B. Change the IP address
C. Change the slash notation
D. Change duplex to full