Which of the following correctly fills in the missing words of this sentence： An ARP request uses aaddress， whereas an ARP reply uses a address.（）
- A、broadcast， multicast
- B、unicast， broadcast
- C、broadcast， unicast
- D、multicast， unicast
- E、broadcast， broadcast
- F、unicast， multicast
正确答案:C
答案解析:有
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