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IP and MAC addressing - Coggle Diagram
IP and MAC addressing
MAC
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Every NIC has a Media Access Control (MAC) address, which is used to route frames on a local area network (LAN)
IP
If connected to a WAN like the internet, IP is used
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With a WAN, we refer to frames as packets
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A unique number is used to identify a host computer or node that communicates over the internet. There are currently two versions used - IPv4 and IPv6.
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Wireless
Wireless networks broadcast data that must be encrypted in order to be secure - this is done by scrambling the data into ciphertext using a master key created from the network's SSID and password.
Wireless encryption protocols include WEB, WPA and WPA2. A handshake protocol is used to ensure the receiver has a valid master key before transmission begins
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Standards
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Without standards, devices connected to LANs and WANs wouldn't be able to communicate with each other
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