单选题DHCP Relay又称为DHCP中继,当DHCP Relay收到DHCP用户的请求报文,而且“giaddr”(gateway IP address)字段为0,则()。A把自己的IP地址填入此字段,并把此报文单播给真正的DHCP SERVERB把自己的IP地址填入此字段,并把此报文广播出去C保持该字段为0,并把此报文单播给真正的DHCP SERVERD保持该字段为0,并把此报文广播出去
单选题
DHCP Relay又称为DHCP中继,当DHCP Relay收到DHCP用户的请求报文,而且“giaddr”(gateway IP address)字段为0,则()。
A
把自己的IP地址填入此字段,并把此报文单播给真正的DHCP SERVER
B
把自己的IP地址填入此字段,并把此报文广播出去
C
保持该字段为0,并把此报文单播给真正的DHCP SERVER
D
保持该字段为0,并把此报文广播出去
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