seven layer osi model Flashcards
What is the ‘osi model’?
the framework which references how data is transmitted from one device to another.
it is divided into seven layers which work together to carry out specialised network functions.
What are the seven layers to the ‘osi model’?
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer
What is the ‘Application Layer’ for?
application creates the data.
What is the ‘Presentation Layer’ for?
data is formatted and encrypted.
What is the ‘Session Layer’ for?
connections are established and managed.
What is the ‘Transport Layer’ for?
data is broken into segments for reliable delivery.
What is the ‘Network Layer’ for?
segments are packaged into packets and routed.
What is the ‘Data Link Layer’ for?
packets are framed and sent to the next segment.
What is the ‘Physical Layer’ for?
frames are converted into bits and transmitted physically.
