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10 Cards in this Set
- Front
- Back
ip |
unique address given to a networked device made up of 4 byes |
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Gateway |
the router used to connect to a WAN |
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Subnet |
A smaller sub network which is used to isolate parts of the network for admininstration |
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Packet |
a single block of data sent across a network |
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Protocol |
A set of rules used to govern communication over a network |
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Protocol layering |
when a packet is sent over the network it uses more than one protocol. Each protocol is responsible for a different aspect of communication |
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IP layer |
internet layer - it uses routing, by using IP addresses for getting packets to their destinations |
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TCP |
orders packets using sequence numbers, buffers them and then adds error detection and recovery |
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UDP |
has no error recovery, and does not guarantee packets will arrive on time, however it is faster than the alternative of TCP |
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LAN VS WAN - Size |
Lan - set in a small geographical area such as a company site |