单项选择题
A.00000111-10001111
B.00000011-10011111
C.10000000-10111111
D.11000000-11011111
E.11100000-11101111
F.None of the above
单项选择题 What is the subnet for the host IP address 201.100.5.68/28?（）
单项选择题 What is the subnet for the host IP address 172.16.210.0/22?（）
单项选择题 The TestKing network was assigned the Class C network 199.166.131.0 from the ISP. If the administrator at TestKing were to subnet this class C network using the 255.255.255.224 subnet mask, how may hosts will they be able to support on each subnet?（）