How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
- 510
- 512
- 1022
- 1024
- 2046
- 2048
Answers Explanation & Hints: A mask of 255.255.252.0 is equal to a prefix of /22. A /22 prefix provides 22 bits for the network portion and leaves 10 bits for the host portion. The 10 bits in the host portion will provide 1022 usable IP addresses (2 10 – 2 = 1022).