单项选择题
A. The tracking return code fails after the SLA operation results in an ICMP echo failure three times.
B. The tracking return code fails after the SLA operation results in an ICMP echo failure one time.
C. After the tracking object fails, the tracking o bject moves back to an up state 45 seconds later in all cases.
D. After moving to a down state, the tracking object moves back to an OK state 45 seconds after the SLA operation moves to an OK state.
单项选择题 The following configuration commands exist only in an implementation plan document. An engineer does a copy/paste of these commands into configuration mode on Router R1. Which of the following answers is m ost accurate regarding the results?（） ip sla 1 icmp - echo 1.1.1.1 source -ip 2.2.2.2 ip sla schedule 1 start - time now life forever
多项选择题 Which of the following are examples of traffic that can be created as part of an IP Service -Level Agreement operation?（）
单项选择题 The following output occurs on Router R2. Which of the following statements can be confirmed as true based on the output from R2?（） R2# show ip policy Interface Route map Fa0/0 RM1 Fa0/1 RM2 S0/0/0 RM3