Subnet Mask Explained – What It Does and Why It Matters
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Description :
I explain what a subnet mask is, how it works, and why it’s such an important part of subnetting. We’ll go over how subnet masks help separate networks, how they relate to IP addresses, and what that /24 or 255.255.255.0 actually means. If subnet masks have ever confused you, don’t worry — I break it down in a clear, simple way so it fina...

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