Which subnet mask should you use on point-to-point links to avoid wasting IP addresses?
A. 255.255.255.252
B. 255.255.255.250
C. 255.255.255.0
D. 255.255.255.248
Which subnet mask should you use on point-to-point links to avoid wasting IP addresses?
A. 255.255.255.252
B. 255.255.255.250
C. 255.255.255.0
D. 255.255.255.248
Anwer A is correct (/30).