Refer to the exhibit. Which statement about the OPSF debug output is true?
A. The output displays OSPF hello messages which router R1 has sent or received on interface Fa0/1.
B. The output displays OSPF messages which router R1 has sent or received on all interfaces.
C. The output displays OSPF messages which router R1 has sent or received on interface Fa0/1.
D. The output displays OSPF hello and LSACK messages which router R1 has sent or received.
Answer:A
Refer to the exhibit. Which statement about the OPSF debug output is true?
A. The output displays OSPF hello messages which router R1 has sent or received on interface Fa0/1. B. The output displays OSPF messages which router R1 has sent or received on all interfaces. C. The output displays OSPF messages which router R1 has sent or received on interface Fa0/1. D. The output displays OSPF hello and LSACK messages which router R1 has sent or received.
Explanation: This combination of commands is known as “Conditional debug” and will filter the debug output based on your conditions. Each condition added, will behave like an ‘And’ operator in Boolean logic.