1) describe the term standard. List any four standard organizations.

2) describe the data transmission rate.

3) Specify two benefits and drawbacks of the network standards.

4) State and describe the attributes of the data communication system.

5) describe what data communication system is and describe it with the help of block diagram.

6) describe different key elements of the protocol? Describe the protocol and standard. Also describe standard organizations.

7) prepare differences between datagram approach and the virtual circuit approach with respect to the following given points:

a) Connection set up

b) Bandwidth availability

c) Routing

d) Addressing information

8) describe the concept of circuit switching.

9) describe 2 different methods in the Packet switching

10) describe the asynchronous transfer mode with respect to the switching mode, packet size and ATM cells.

11) describe the term frame relay switching.

12) Discuss about the frame relay frame format.

13) Design the cell format of ATM. Specify the importance of every field.