在给主机配置IP地址时，合法的是()A.129.9.255.18B.127.21.19.109C.192.5.91.255D.220.103.256.56
题目
在给主机配置IP地址时，合法的是()
A.129.9.255.18
B.127.21.19.109
C.192.5.91.255
D.220.103.256.56
在给主机配置IP地址时，合法的是()
A.129.9.255.18
B.127.21.19.109
C.192.5.91.255
D.220.103.256.56