Download JNTUK M-Tech 2020 R19 ECE Advanced Computer Networks Model Question Paper

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I M. Tech I Semester (R19) Regular Examinations

ADVANCED COMPUTER NETWORKS

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Department: OF ELECTRONICS & COMMUNICATIONS ENGINEERING

MODEL QUESTION PAPER

TIME: 3Hrs. Max. Marks: 75

Answer ONE Question from EACH UNIT.

All questions carry equal marks.

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UNIT-I

1. a). How are congestion control and quality of service related? (K1, 6 Marks)
   b). What is the difference between open-loop congestion control and closed-loop congestion control? (K1, 9 Marks)
   OR
2. a). Explain about X.25 layers and frame relay operation? (K2, 8 Marks)
   

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   b). Briefly discuss about ATM layers. (K6, 7 Marks)

UNIT-II

1. a). Describe the physical configuration of SONET with required diagrams? (K6, 9 Marks)
   b). Explain folding algorithm in interconnection networks? (K5, 6 Marks)
   OR

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2. a). Describe the structure of feedback shift register for generating PN sequence? (K6, 9 Marks)
   b). Briefly explain the significance of Virtual private networks? (K6, 6 Marks)

UNIT-III

1. a). Explain about MAC sub layer and its addressing mechanism? (K5, 8 Marks)
   b). Write short notes on frequency reuse and channel assignment strategies of cellular networks? (K2, 7 Marks)
   

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   OR
2. a). Explain the general techniques to improve quality of service? (K2, 9 Marks)
   b). Compare IPv4 and IPv6? (K2, 6 Marks)

UNIT-IV

1. a). Explain DSSS system with neat block diagram? (K2, 8 Marks)
   

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   b). Explain about Interconnection networks and their properties? (K2, 7 Marks)
   OR
2. With neat sketches explain about Bluetooth architecture and its layers? (K2, 14 Marks)

UNIT-V

1. a). Consider a wired point-to-point network. List some performance measures. (K1, 8 Marks)
   

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   b). Explain about GSM and GPRS (K2, 7 Marks)
   OR
2. a). Explain the principle, advantages and applications of CDMA. (8 Marks)
   b). What are the demerits of CDMA? Explain. (7 Marks)

CO-CRSE OUTCOME

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KL-KNOWLEDGE LEVEL M-MARKS

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