Answer:
Following are the responses to the given question:
Step-by-step explanation:
The subnet mask /25 could be the host 128 hosts.
The subnet mask /26 could be the host 64 hosts.
The subnet mask /27 could be the host 32hosts.
The subnet mask /28 could be the host 16 hosts.
The subnet mask /29 could be the host 8 hosts.
The subnet mask /30 could be the host 4 hosts.
It is based on the requirement in which I have been using /25,/27,/28,/29 subnet masks on the basis of the usable slots.