Components of Data Communucation-Data Communication Network-Quiz, Exercises of Data Communication Systems and Computer Networks

Download Components of Data Communucation-Data Communication Network-Quiz and more Exercises Data Communication Systems and Computer Networks in PDF only on Docsity! Data Communication Networks Quiz. NO.1(a) Total Marks: 15 Dated: 05-02-09 1. Identify the five components of a data communications system. 2. What is the relationship between telecommunications and data communications? Is one a subset of the other? Give reasons for your answers. 3. Why are protocols needed? 4. Why are standards needed? 5. What is the main difference between a de facto and a de jure standard? 6. Give two examples of a product that uses nonstandardised parts. Give two examples of a product that uses standardized parts. 7. Give five instances of how networks are a part of your life today. 8. Give your own example of how the number of users can affect the performance of a network. 9. What are the relative advantages and disadvantages of a multi-point connection over a point-to-point connection? 10. What are the two types of line configuration? 11. What are headers and trailers, and how do they get added and removed? 12. What is the difference between a port address, a logical address and a physical address? Why do we need all three forms of addressing? 13. Give some functions of physical Layer. 14. Match the following to one of the five Internet layers: a. Route determination. b. Flow control. c. Interface to the physical world. docsity.com