Which of the following ranges of addresses can be used in the first octet of a Class B network address?
A. 128-191
B. 224-255
C. 192-223
D. 0-127
Answer:A
Which of the following ranges of addresses can be used in the first octet of a Class B network address?
A. 128-191 B. 224-255 C. 192-223 D. 0-127
Explanation: Explanation