Net+ Ch2 - test

To manage logical device addressing

To ensure data integrity and error recovery

To translate and format data for communication

To establish virtual connections between hosts

To ensure data is not corrupted or lost

To establish logical connections between hosts

To manage flow control between computers

To translate messages into bits for transmission

Physical layer

Network layer

Data link layer

Transport layer

To send and receive bits

To establish virtual circuits

To manage flow control between computers

To segment and reassemble data

Electrical, mechanical, procedural, and functional requirements

Logical device addressing and data movement

Data translation and code formatting

Error notification and network topology

To manage logical device addressing

To establish virtual connections between hosts

To ensure data integrity and error recovery

To deliver messages to the proper device on a LAN

Segments and reassembles data into a data stream

Manages logical device addressing

Translates messages into bits for transmission

Provides end-to-end transport services

To manage flow control between computers

To establish virtual circuits

To convert digital data into analog signals

To transfer multiple signals over a common path

Allows different network vendors to operate together smoothly

Divides network communications processes into small components

Encourages industry standardization of network components

Enables communication between different types of network hardware

To manage logical device addressing

To establish virtual connections between hosts

To coordinate partnering applications and control data

To send and receive bits