NETWORKING

LESSON – OSI MODEL & TCP/IP MODEL

NOTE

The following video explains the OSI Model:

Link: https://www.youtube.com/watch?v=LANW3m7UgWs

The following video explains the TCP/IP Model:

Link: https://www.youtube.com/watch?v=OTwp3xtd4dg

WORK

1. What does OSI stand for? Search it.
   
   
2. List the seven layers of the OSI model.
   
   
3. The video proposes a trick to remembering the first letter of the name of each OSI Model layer. What is it?
   
   
4. What does TCP/IP stand for? Search it.
   
   
5. List the five layers of the TCP/IP model.
   
   
6. a) Data at the Application layer level is simply called __________.
   
   b) Data at the Transport layer level is called ___________.
   
   c) Data at the Network layer level is called ____________.
   
   d) Data at the Data Link layer level is called ____________.