How to Calculate Number of Hosts in a Subnet | CCNA Subnetting Concept

In this video, we explain how to calculate the number of usable hosts in any subnet using simple binary math and subnetting formulas. You’ll learn how to find total and usable host counts based on subnet mask, understand how 2²ⁿ - 2 formula works, and see real CCNA examples for /24, /26, and /30 networks. Perfect for CCNA students and network engineers mastering IP design.

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What you'll learn:
Subnet mask and host bits relation
Formula for host calculation (2ⁿ - 2)
Examples for /24, /26, /30 networks
Difference between total and usable hosts
Impact of subnet size on scalability
Binary understanding of host bits
CCNA subnetting exam concept'

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