42. Which one of the following is a loopback address?
(A) 127.0.0.1
(B) 255.255.255.255
(C) 0.0.0.0
(D) 168.5.16.8
(E) 224.3.16.8

答案:登入後查看
統計: A(6), B(0), C(1), D(0), E(0) #3081372

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