OSI

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Description and Tags

OSI Model association

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7 Terms

1
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Application

Services users interact with (DNS, HTTP, FTP, SMTP)

2
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Presentation

Translates/encrypts data (SSL/TLS, JPEG, GIF, MP3)

3
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Session

Starts/stops communication (NetBIOS, RPC)

4
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Transport

Reliable delivery, segmentation, flow control (TCP, UDP)

5
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Network

Logical addressing, routing (IP, ICMP, ARP, OSPF)

6
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Data Link

Physical addressing, frames, MAC (Ethernet, PPP, Switches at Layer 2)

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Physical

Bits, cables, fiber, hubs