THE ARCADE
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Networking
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Networking
How packets become pages.
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01
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150 XP
The Layered Model
Link → IP → TCP → TLS → HTTP.
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02
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175 XP
DNS
Stub → recursive → authoritative.
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03
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200 XP
TCP
Handshake, reliability, slow start.
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04
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225 XP
HTTP Caching
Cache-Control, ETag, stale-while-revalidate, CDNs.
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