Q: In a Class A address, the possible values for the first octet are:
or
Q: The following are potential values for the first octet of a Class A address:
- 255 through 420
- 128 through 199
- 0 through 127
- 0 through 255
Explanation: The range of potential values for the first octet of an IP address that is classified as Class A is from 0 to 127. Class A addresses are established by setting the first bit of the first octet to zero, which restricts the range of the first octet to the range of 0 to 127.
