Exam Details
| Subject | computer networks | |
| Paper | ||
| Exam / Course | pg diploma in information technology (pgdit) | |
| Department | ||
| Organization | acharya nagarjuna university-distance education | |
| Position | ||
| Exam Date | May, 2018 | |
| City, State | new delhi, new delhi |
Question Paper
Total No. of Questions 10] [Total No. of Pages 02
P.G. DIPLOMA DEGREE EXAMINATION, MAY 2018
INFORMATION TECHNOLOGY
Computer Networks
Time 3 Hours Maximum Marks 70
Answer any FIVE questions
All questions carry equal marks
Q1) What is the difference between guided and unguided transmission media? Write briefly about
twisted pair.
Q2) What is OSI model? Draw Diagram and Explain Physical, Data link and Network layer with
its functions.
Q3) Explain about features of LAN, MAN, WAN, Internet.
Q4) Explain CRC technique with example.
Q5) Explain different types of Switching methods with examples.
Q6) What is routing? How flooding can be used for routing? Give example.
Q7) Explain the one bit sliding window protocol and go back n protocol. Write down the
drawback of both the protocols.
Q8) Explain how congestion control is achieved in TCP?
Q9) Draw IP headed and explain each field of the header.
Q10) Explain message authentication operation using RSA algorithm.
P.G. DIPLOMA DEGREE EXAMINATION, MAY 2018
INFORMATION TECHNOLOGY
Computer Networks
Time 3 Hours Maximum Marks 70
Answer any FIVE questions
All questions carry equal marks
Q1) What is the difference between guided and unguided transmission media? Write briefly about
twisted pair.
Q2) What is OSI model? Draw Diagram and Explain Physical, Data link and Network layer with
its functions.
Q3) Explain about features of LAN, MAN, WAN, Internet.
Q4) Explain CRC technique with example.
Q5) Explain different types of Switching methods with examples.
Q6) What is routing? How flooding can be used for routing? Give example.
Q7) Explain the one bit sliding window protocol and go back n protocol. Write down the
drawback of both the protocols.
Q8) Explain how congestion control is achieved in TCP?
Q9) Draw IP headed and explain each field of the header.
Q10) Explain message authentication operation using RSA algorithm.