OSI Model and TCP/IP Model
1.
2.
3.
4.
5.
Explain why layered models are used to describe data communication
Explain the development of the OSI model
Identify each of the seven layers of the OSI model
Identify the four layers of the TCP/IP model
Describe the similarities and differences between the two models
How does the concept of layers describe flow of information or communications?
How are layers used to describe data communications?
What is the OSI Model and what are its benefits?
List and describe each layer of the OSI Model (7 Layers) –
(use attached worksheet)
What are 5 advantages of the OSI Model?
What is a PDU?
List the PDU’s for each layer of the OSI Model –
What are two mnemonics used for remembering the OSI model?
Data packets on a network originate at a source and then travel to a destination.
Each layer depends on the service function of the OSI layer ___________ it.
What is Peer-to-Peer communications (in relation to OSI Model)?
What is the TCP/IP Model?
List and describe each layer of the TCP/IP Model –
(use attached worksheet)
Compare the TCP/IP and OSI models –
Explain Data Encapsulation
Fill out the following table of the OSI model.
OSI Model
Layer’s Function
Data Encapsulation
Application
Presentation
Session
Transport
Network
Data Link
Physical
Fill out the following table of the TCP/IP Model
Layers of the TCP/IP
Model
Corresponding Layers of the OSI
Model
Protocols for Each
Layer
List each device and then list the layer(s) in which they function.
__________
____________
__________
____________
__
____________
__________
__________
__________
List the TCP/IP Layer for each of the following protocols in the table below: