Q 1. What are the subnet mask, first available host address of subnet one (NOT subnet zero), and the maximum number of hosts per subnet for the network below?
You need to allow for maximum number of hosts. You may be able to use the subnet zero and the all-ones subnet. RFC 1878

Network ID: 207.135.128.0
Subnets Required: 27
Subnet Mask:
1st Available Host Address of Subnet 1:
Max # of hosts/subnet: