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路由器R1的Fa0/0端口IP地址为192.168.10.1/24,Fa0/1端口的IP地址为172.16.1.1/24,现为该路由器配置DHCP,下列配置DHCP排除地址正确的是()
A.R1(config)#ip dhcp excluded-address 192.168.10.1 -------------------R1(config)#ip dhcp excluded-address 172.16.1.1
B.R1(config)#ip dhcp excluded-address 172.16.1.1
C.R1(config)#ip dhcp excluded-address 192.168.10.1
D.R1(config)#ip dhcp excluded-address 192.168.10.1 255.255.255.0 -------------------R1(config)#ip dhcp excluded-address 172.16.1.1 255.255.255.0
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