单选题Which IP block is designated for private network use？（）A 127.0.x.xB 169.0.x.xC 190.100.x.xD 192.168.x.x
题目
单选题
Which IP block is designated for private network use？（）
A
127.0.x.x
B
169.0.x.x
C
190.100.x.x
D
192.168.x.x
127.0.x.x
169.0.x.x
190.100.x.x
192.168.x.x