Which statement about the OPSF debug output is true?

Refer to the exhibit.

Which statement about the OPSF debug output is true?
A . The output displays all OSPF messages which router R1 has sent to received on interface Fa0/1.
B . The output displays all OSPF messages which router R1 has sent or received on all interfaces.
C . The output displays OSPF hello messages which router R1 has sent received on interface Fa0/1.
D . The output displays OSPF hello and LSACK messages which router R1 has sent or received.

View Answer

Answer: C