MCQ-107 | IPv4 Class C Addressing: Default Subnet Mask
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What is Default Subnet Mask of Class C IPv4 Addressing
The default subnet mask of Class C IPv4 addressing is 255.255.255.0.
Class C addresses are identified by the first three bits in the first octet set to 1-1-0, which means they have a network portion of 24 bits and a host portion of 8 bits. The default subnet mask for this class is configured to allocate 254 hosts per network.
The subnet mask defines the boundary between the network and host portions of an IP address. In the case of a Class C address, the first three octets are reserved for network identification, while the last octet is used to identify individual hosts within that network.
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