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What is Network Mask?- A network mask is used for determination of what subnet an IP address belongs to.
- An IP address has network address and the host address.
- The first two numbers represents the network address and the second two numbers represents the host of the network.
- It is a 32-bit mask which is used to divide the IP address into the subnets and specify the available hosts of the network.
- Two bits are automatically assigned.
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