NETWORKING

LESSON – OSI MODEL & TCP/IP MODEL

NOTE

The following video explains two important Transport Layer protocols: TCP & UDP

Link: https://www.youtube.com/watch?v=cA9ZJdqzOoU

WORK

1. What are the two primary protocols at the Transport Layer?
   
   
2. Between TCP and UDP, which one is reliable and which one is unreliable?
   
   
3. What does TCP stand for?
   
   
4. List three approaches that TCP uses to ensure reliability.
   a) _____________
   b) _____________
   c) _____________
   
   
5. What does UDP stand for?
   
   
6. If UDP is unreliable, how can it possibly be useful? Use the term latency in your answer.
   
   
7. Which protocol is best for:

a) Browsing a webpage

b) Streaming video

c) Audio call

d) Transfering a file