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What is a MAC address and why is it needed? A MAC address (media access control address) is a completely unique identifier assigned to a NIC (network interface controller) for use as a community address in communications within a community section. This use is commonplace in most IEEE 802 networking technology, which includes Ethernet, Wi-Fi, and Bluetooth. A MAC address is usually stored in the NIC’s flash memory, which means it cannot be changed by the user. However, some NICs allow you to change this value by reprogramming their flash memory. Why could you need a MAC address? The MAC addresses are an essential detail of laptop networking. MAC addresses uniquely perceive a pc on the LAN. MAC is a vital factor required for network protocols like TCP/IP to be characteristic. Computer operating systems and broadband routers guide viewing and now and again converting MAC addresses. How do MAC addresses work? Since MAC addresses are assigned without delay by means of the hardware

All about Public IP, Private IP, IPv4, IPv6, DNS, ARP, OSI model, MAC address. It follows a big role in Ethical Hacking. You've must good understanding of networking that's What is Switch, Router, Hub, Modem?", "What is network topology? What is noces How do works LAN Loc? Area Network) WAN Wide area network MAN Metropolitan Area Network What is network Port?", "What is Internet protocol?" and also Fundamental of network and wireless Security and last all about NAT, DHCP, Subnetting, Public IP, Private IP, IPv4, IPv6, DNS, ARP, OSI model, MAC address. You must have a piece of good knowledge of these things. a) What is Switch, Router, Hub, Modem? b) What is network topology? c) What are nodes? d) How do works LAN/Local? ( Local Area Network) WAN (Wide area network ) MAN ( Metropolitan Area Network ) e) What is a network Port? f) What is Internet protocol? g) Fundamental of network and wireless Security? h) All about