Which two statements regarding traceroute on JUNOS devices are correct?（）
- A、Traceroute transmits ICMP echo-request packets.
- B、Traceroute transmits UDP packets.
- C、Traceroute receives ICMP echo-reply packets.
- D、Traceroute receives ICMP port-unreachable packets.
正确答案:B,D
答案解析:有
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