The address pool of a DHCP server is configured with 172.21.121.0/25. The network administrator reserves 12 IP addresses for web servers. How many IP addresses are left in the pool to be assigned to other hosts?

The address pool of a DHCP server is configured with 172.21.121.0/25. The network administrator reserves 12 IP addresses for web servers. How many IP addresses are left in the pool to be assigned to other hosts?

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    Answers Explanation & Hints:

    Calculate the maximum number of hosts available for the slash value and subtract the required static IP addresses required for the devices.
    /24 = 254 hosts
    /25 = 126 hosts
    /26 = 62 hosts
    /27 = 30 hosts
    /28 = 14 hosts

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