Refer to the exhibit. From the MAC addresses shown in the command output， to which two ports is the multicast stream 225.230.57.199 being forwarded on this switch？ （） 
- A、 Fa7/28
- B、 Fa7/20
- C、 Gi3/7
- D、 Fa4/2
- E、 Fa4/14
- F、 Fa4/38
- G、 Fa6/28
- H、 Fa5/7
正确答案:C,E
答案解析:有
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