Given the subnet of 209.165.201.0/27, which subnet range will make the most efficient use of the address block for connecting to customer edge devices?
A. 209.165.201.1/32
B. 209.165.201.1/31
C. 209.165.201.1/30
D. 209.165.201.1/29
E. 209.165.201.1/24
aaa
/31’s are common in SP networks. No need for network and broadcast. B is correct
Corrert answer is C
can anyone explain this one