如果发送给DHCP客户端的地址已经被其他DHCP客户端使用，客户端会向服务器发送（ ）信息包拒绝接受已经分配的地址信息。
- A.DhcpAck
- B.DhcpOffer
- C.DhcpDecline
- D.DhcpNack
正确答案及解析
正确答案
解析
DHCPDecline：DHCP客户端收到DHCP服务器回应的ACK报文后，通过地址冲突检测发现服务器分配的地址冲突或者由于其他原因导致不能使用，则发送Decline报文，通知服务器所分配的IP地址不可用。
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