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OSI Model
To help learn the OSI model.
14
Computer Networking
Undergraduate 1
06/09/2010

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Cards

Term
Application Layer
Definition
Layer 7 of the OSI Model
File, Print, Message, Database, and Application services.
Provides a user interface.
Term
Presentation Layer
Definition
Layer 6 of the OSI Model
Data Encryption, Compression, and translation services
Presents Data
Handles processing such as encryption
Term
Session Layer
Definition
Layer 5 of the OSI Model
Dialog Control
Keeps different applications data separate
Term
Transport Layer
Definition
Layer 4 of the OSI Model
End-to-end connection
Provides reliable or unreliable delivery
Performs error correction before retransmit
Term
Network Layer
Definition
Layer 3 of the OSI model
Routing
Provides logical addressing which routers use for path determination
Term
Data Link Layer
Definition
Layer 2 of the OSI Model
Framing
Combines packets into bytes and bytes into frames
provides access to media using MAC addresses.
Performs error detection and not correction
Term
Physical Layer
Definition
Layer 1 of the OSI Model
Physical Topology
Moves bits between devices
Specifies voltage, wire speed, and pin-out of cables
Term
Layer 7
Definition
Application Layer
Term
Layer 6
Definition
Presentation Layer
Term
Layer 5
Definition
Session Layer
Term
Layer 4
Definition
Transport Layer
Term
Layer 3
Definition
Network Layer
Term
Layer 2
Definition
Data Link
Term
Layer 1
Definition
Physical Layer
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