How many IP-addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28?

How many IP-addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28? (Specify the number only
without any additional information.)

How many IP-addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28? (Specify the number only
without any additional information.)

A.
14

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Mahoni

Mahoni

Formula : 32(deafult) -28(netmask) = 4,
2^4 =16 IP exist.
First IP network address, last IP broadcast IP so that 14 IP can be used for host IP

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