Network characteristics
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Question
Bandwidth vs latency
Answer
Bandwidth is how much data passes per second. Latency is the delay before the first data arrives.
Question
Define: protocol
Answer
An agreed set of rules for how machines communicate — how to start, how to send, how to report an error.
Question
Why do open standards matter?
Answer
The rules are public, so anyone can build equipment that joins the network — which is why no company owns the internet.
Question
Why is network reliability double-edged?
Answer
Routing around damage makes a network hard to break by accident and hard to censor on purpose. The same property.
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Topic 3.4 hub
Networks and the internet
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