![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Which three of these statements about the IP service level agreement (SLA) sender are true? ()
A.
SLA sender target can be an IP host
B.
SLA sender sends a probe packet and a response probe packet
C.
SLA sender sends a probe packet
D.
SLA sender target must be a router
E.
SLA sender target can be an IP SLA responder