SIMULATION - 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.)
The number of IP addresses that can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28 is 14.
The CIDR notation "/28" means that 28 bits are used for the network portion of the address and 4 bits are used for the host portion. In this case, the network address is 192.168.2.128 and the network mask is 255.255.255.240.
To calculate the number of host addresses in a subnet, subtract the network address (192.168.2.128) and the broadcast address (192.168.2.143) from the number of possible addresses (2^4=16). Then subtract 2 to account for the network and broadcast addresses.
So, in this case, the number of IP addresses for unique hosts is 16 - 2 = 14.
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linux_admin
2 years, 2 months ago