Which of the following subnet masks indicate a subnet with exactly 254 assignable IP addresses?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.254
Which of the following subnet masks indicate a subnet with exactly 254 assignable IP addresses?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.254