下列地址中,属于网络163.122.80.128255.255.255.192的可用主机地址是()。
A.163.122.80.128 B.163.122.80.190 C.163.122.80.192 D.163.122.80.254正确答案B
下列地址中,属于网络163.122.80.128255.255.255.192的可用主机地址是()。
A.163.122.80.128 B.163.122.80.190 C.163.122.80.192 D.163.122.80.254正确答案B