Download JNTUH MCA 3rd Sem R17 2019 April-May 843AB Aprilmay Computer Networks Question Paper

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R17

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Code No: 843AB

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, April/May - 2019

COMPUTER NETWORKS

Time: 3hrs Max.Marks:75

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Note: This question contains two parts A and B.

Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.

PART - A

5 x5 Marks = 25

1. a) Give a short note on " Evolution of Internet". [5]

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b) What are Data link layer design issues? [5]

c) What is quality of service? [5]

d) What are the services provided by Transport layer? [5]

e) Define DNS? Compare and contrast FQDNs and PQDNS. [5]

PART -B

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5 x 10 Marks =50

2. Describe TCP/IP protocol suite. [10]

OR

3. Write in detail about the wireless transmission. [10]

4. Describe in detail about point to point WANS. [10]

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OR

5. Describe in detail about the flow and error control mechanisms in data link layer. [10]

6. Compare and contrast between shortest parts routing and Distance vector routing. [10]

OR

7. Write in detail about BGP. [10]

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8. Discuss about connection management. [10]

OR

9. Explain about UDP package in Detail. [10]

10. What is SNMP? State and describe the roles of SMI and MIB in SNMP. [10]

OR

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11. Explain any two video/audio compression techniques. [10]

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