若一个组播组包含6个成员，组播服务器所在网络有2个路由器，当组播服务器发送信息时需要发出（ ）个分组。
- A.1
- B.2
- C.3
- D.6
正确答案及解析
正确答案
A
解析
组播就是一组特定的对象，不管该组特定对象包含有多少个成员，针对一个组播服务只需要发送一个组播包，组内成员都会收到。
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