You are configuring an IP SLA ICMP Echo operation to troubleshoo

You are configuring an IP SLA ICMP Echo operation to troubleshoot a network connectivity issue.When do you enter an IP address to test the IP SLA?

A.when you enable the ICMP Echo operation

B.when you define the ICMP Echo operation

C.when you specify the test frequency

D.when you verify the IP SLA operation

正确答案是B