VIVEKANANDHA COLLEGE OF ENGINEERING FOR WOMEN

(AUTONOMOUS)

DEPARTMENT OF INFORMATION TECHNOLOGY

U13IT403 COMPUTER NETWORKSASSIGNMENT - 1 QUESTIONS

II - B.TECH IT

SEM: IV1. Draw the TCP/IP network architectural model and explain the features of various layers. Also list the important protocols at each layer and describe its purpose. Briefly describe the difference between the OSI and TCP/IP architectural model.

2. (i) Sketch the schematic diagram of your study centre network lab showing various network devices (Hub, Switches, and Routers), servers and nodes.

(ii) List and describe five examples of LAN and WAN application. 3. Differentiate between the followings with the help of diagramsi) Hubs and Switchesii) Circuit Switched & Packet Switched Networks4. Explain in detail about various multiple access techniques and Hybrid multiple access techniques.5. Write brief notes on following Encoding techniques.

i) NRZii) NRZIiii) Manchester iv) 4B/5B