An organization is assigned the network prefix 192.168.10.0/26. The network administrator needs to create 2 subnets. What is the maximum number of assignable host IP addresses available per subnet, and what will be the new subnet mask?

Answer: A. 30 hosts, 255.255.255.224

• Answer: A) 30 hosts, 255.255.255.224
• Explanation:
• The original network has a prefix of /26, leaving 6 bits for hosts (32 - 26 = 6).
• To create 2 subnets, we borrow 1 bit from the host portion (2¹ = 2 subnets).
• The new prefix becomes /27 (26 + 1 = 27), which corresponds to a subnet mask of 255.255.255.224.
• The remaining host bits are 5 (32 - 27 = 5).
• The number of hosts per subnet is \(2^5 - 2 = 32 - 2 = \mathbf{30}\) (subtracting the network and broadcast addresses).

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