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CCNA exam success depends on mastering the fundamentals, and two important fundamentals are knowing exactly what the terms “collision domain” and “broadcast domain” mean. In this free...
ARP – Questions with Answers What is ARP? Address Resolution Protocol (ARP) is a network protocol, which maps a network layer protocol address to a data link...
Port security is used to secure the port of a layer 3 switch for the purpose of to not access that port except the dedicated mac address...
