Geographical Addressing-Data Communication Network-Assignment, Exercises of Data Communication Systems and Computer Networks

Download Geographical Addressing-Data Communication Network-Assignment and more Exercises Data Communication Systems and Computer Networks in PDF only on Docsity! Data Communication Networks Assignment 04 Distribution date: 11.04.11 Due date: 18.04.11 5:00 PM Important:  Students are required to submit the hard copy of assignment.  Copy paste in answer to any question from other assignment is not allowed. It MAY result in zero credit for that question. Give answers to questions in your own words.  Be specific (Try to give answer in few lines) Late assignments will NOT be accepted, what so ever is the reason Question No 1  The telephone system uses geographical addressing. Why do you think this wasn’t adopted by the Internet? Question No 2  An FHSS system uses a 4-bit PN sequence. If the bit rate of the PN is 64 bits per second, answer the following questions: a. What is the total number of possible hops? b. What is the time needed to finish a complete cycle of PN?   Question No 3  We have a digital medium with a data rate of 10 Mbps. How many 64-kbps voice channels can be carried by this medium if we use DSSS with the Barker sequence? Question No 4  Self reading of chapter no 7(Transmission Media).     docsity.com