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Concepts - Coggle Diagram
Concepts
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Unicast vs. Multicast
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TCP (Layer 4)
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Web, Email, FileTransfer usw
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Routetable
what is
- default route
- local route
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IPv4 CIDR Notation
each of 0.0.0.0
2^8 = 255 adresses
so you have: 8, 16. 24, 32 for fixing blocks
/x => x is a bitmap mask
examples
172.0.0.0/8 => Means 172 is fixed everything else is free
172.168.0.0/16 => Means 172.168 is fixed everything else is free
172.168.178.0/24 => Means 172.168.178 is fixed everything else is free
Count Adresses:
/x means
2^(32-x) Addresses
You always eliminate the higher count
/25 Means only to 128
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