IP Address Classes (First Octet) : IP address classes are identified by the first octet and fixed leading bits. • Class A: Starts with 0 → large networks, many hosts • Class B: Starts with 10 → medium networks • Class C: Starts with 110 → small networks This concept helps understand network vs host portions in IPv4 addressing. #IPaddress #IPv4 #NetworkingBasics #CCNA #Subnetting #NetworkClasses #FirstOctet | CCNA BD

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