Exam 300-101 Question id=523 Infrastructure Services

An engineer is asked to monitor the availability of the next-hop IP address of 172.16.201.25 every 3 seconds using an ICMP echo packet via an ICMP echo probe.
Which commands accomplish this task?

A. router(config-ip-sla)#icmp-echo 172.16.201.25 source-interface FastEthernet 0/0
B. router(config-ip-sla-echo)#timeout 3
C. router(config-ip-sla)#icmp-jitter 172.16.201.25 interval 100
D. router(config-ip-sla-echo)#frequency 3
E. router(config-ip-sla)#udp-echo 172.16.201.25 source-port 23
F. router(config-ip-sla-echo)#threshold 3
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