If a class B network on the internet has a subnet mask 255.255.248.0, what is…
2008
If a class B network on the internet has a subnet mask 255.255.248.0, what is the maximum no of hosts per subnet?
- A.
1022
- B.
1023
- C.
2046
- D.
2047
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Correct answer: C
The subnet mask 255.255.248.0 converts to /21 CIDR notation, leaving 11 host bits (32 minus 21). The maximum hosts per subnet is calculated as 2 to the power of 11 minus 2, resulting in 2046 usable addresses.
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