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A network on the Internet has a subnet mask of $255.255.240.0$. What is the maximum number of hosts it can handle?

1. $8190$
2. $4094$
3. $8192$
4. $4096$
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+1 vote
From given subnet mask (NetworkID+SubnetID) is of 20 bits so remaining bits it's 12 bits are used for host i.e. 2^12 =4096 and from this 2 are reserved for network id and DBA so 4094 option B

Ans is B

+1 vote
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