Which of the following is the subnet mask for a Class A IP address?
A. 127.0.0.1
B. 255.0.0.0
C. 255.255.255.0
D. 255.255.255.254
CompTIA exam questions
Which of the following is the subnet mask for a Class A IP address?
A. 127.0.0.1
B. 255.0.0.0
C. 255.255.255.0
D. 255.255.255.254