单选题Which of the following is the IPv6 loopback address?（）A：：1B1.1.1.1C127.0.0.1D255.255.255.254
单选题
Which of the following is the IPv6 loopback address?（）
A
：：1
B
1.1.1.1
C
127.0.0.1
D
255.255.255.254
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