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Layer 7 of the OSI Model
File, Print, Message, Database, and Application services.
Provides a user interface. |
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Layer 6 of the OSI Model
Data Encryption, Compression, and translation services
Presents Data
Handles processing such as encryption |
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Layer 5 of the OSI Model
Dialog Control
Keeps different applications data separate |
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Layer 4 of the OSI Model
End-to-end connection
Provides reliable or unreliable delivery
Performs error correction before retransmit |
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Layer 3 of the OSI model
Routing
Provides logical addressing which routers use for path determination |
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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 |
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Layer 1 of the OSI Model
Physical Topology
Moves bits between devices
Specifies voltage, wire speed, and pin-out of cables |
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