Class Notes (839,626)
United States (326,062)
IST 233 (38)
Cobb (5)
Lecture

Internet

2 Pages
66 Views

Department
Information Studies
Course Code
IST 233
Professor
Cobb

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Description
-Connects network -Why? -National Science Foundation wanted to share data -Every university wanted a mainframe -Very very expensive -Shared mainframe -TCP/IP (1969) -Protocol = set of rules -Kahn & Cerf invented -Source & destination addresses -Static address = doesn’t change (server) -Dynamic address = changes w/ every bootup (PC) -From DNS (Domain Name Server) -More efficient network/internet -Errors -IP has error detection, but not correction -TCP has error correction -Layers of the internet / devices -5 — application -4 — transport -3 — internet / router -2 — data link / switch -1 — physical /
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