An Engineer Is Concerned with the Deployment of a New

An engineer is concerned with the deployment of a new application that is sensitive to inter-packet delay variance. Which command configures the router to be the destination of jitter measurements?

A) Router(config) # ip sla responder udp-connect 172.29.139.134 5000 Router(config) # ip sla responder udp-connect 172.29.139.134 5000
B) Router(config) # ip sla responder tcp-connect 172.29.139.134 5000 ip sla responder tcp-connect 172.29.139.134 5000
C) Router(config) # ip sla responder udp-echo 172.29.139.134 5000 ip sla responder udp-echo 172.29.139.134 5000
D) Router(config) # ip sla responder tcp-echo 172.29.139.134 5000 ip sla responder tcp-echo 172.29.139.134 5000