What is a Subnet Mask?

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🔍 Ever wondered what a subnet mask really does in a computer network?

In this short video, we break it down using a simple house analogy. 🏠📡
Think of a subnet as a house—and the subnet mask as the blueprint that decides how many rooms (devices) you can have. Once your rooms are full, expanding is tricky—just like in real life!

🎓 Perfect for beginners, students, and IT professionals looking for a quick refresher.

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Видео What is a Subnet Mask? канала D-Networker