electronic computer

1- List three ways in which the OSI model, over the years, has facilitated the growth in network communications?

2- The -------------- layer offers a way to set up half-and full- duplex communications

· Communications.

· Network.

· Session.

· Transport.

3- What is the difference between unicast and multicast packets? & nbsp; which is used more often by an application?

4- How does window size provide flow control?

5- At each layer of the OSI model, data is appended to the original message and then sent on the next lower layer. What is the process called?

6- Discuss the two approaches toward congestion control.

7- Describe TCP’s connection establishment and closure.

8- Why do we need the session layer?

9- How does the transport layer use stop and wait to control flow of data.

10- What are the functions of the presentation layer.