Computer Networks PYQ 2025-26 AKTU (BCS603) Question Paper

AKTU · BTECH · Semester 6 · Computer Networks · Session 2025-26 · PYQ

AKTU Computer Networks (BCS603) previous year question paper 2025-26 for B.Tech Semester 6. Covers Introductory Concepts and Physical Layer, Link Layer and…

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Computer Networks AKTU syllabus

  1. Unit 1: Introductory Concepts and Physical Layer
  2. Unit 2: Link Layer and Medium Access Control
  3. Unit 3: Network Layer
  4. Unit 4: Transport Layer
  5. Unit 5: Application Layer

Questions in Computer Networks AKTU PYQ 2025-26

  1. Q1a. Define network topology and mention one advantage of star topology. (2 marks, 2025-26)
  2. Q1b. Differentiate OSI and TCP/IP models in two points. (2 marks, 2025-26)
  3. Q1c. Calculate propagation delay for 2000 km link if speed is 2×10^8 m/s. (2 marks, 2025-26)
  4. Q1d. Define Shannon capacity theorem. (2 marks, 2025-26)
  5. Q1e. What is multiplexing? Name two types. (2 marks, 2025-26)
  6. Q1f. Define PPP and its main function. (2 marks, 2025-26)
  7. Q1g. What is congestion control? (2 marks, 2025-26)
  8. Q2a. Explain OSI layers and compare them with TCP/IP layers. (7 marks, 2025-26)
  9. Q2b. A channel has bandwidth 4 kHz and SNR 30 dB; compute channel capacity. (7 marks, 2025-26)
  10. Q2c. Compare FDM, TDM, and WDM with suitable examples. (7 marks, 2025-26)
  11. Q2d. Explain error detection using CRC with sample binary data. (7 marks, 2025-26)
  12. Q2e. Discuss routing algorithms and shortest path calculation. (7 marks, 2025-26)
  13. Q3a. Draw and explain different network topologies with performance comparison. (7 marks, 2025-26)
  14. Q3b. A modem transmits 2400 bps; calculate transmission time for 10 KB file. (7 marks, 2025-26)
  15. Q4a. Compare guided and unguided media based on speed and attenuation. (7 marks, 2025-26)
  16. Q4b. A signal frequency is 10 MHz; calculate wavelength in free space. (7 marks, 2025-26)
  17. Q5a. Explain packet switching and solve delay for 5 packets over 4 hops. (7 marks, 2025-26)
  18. Q5b. Describe flow control using Stop-and-Wait protocol with example. (7 marks, 2025-26)
  19. Q6a. Explain PPP layers and authentication methods. (7 marks, 2025-26)
  20. Q6b. Compare ISDN and broadband ISDN with service features. (7 marks, 2025-26)
  21. Q7a. Explain Dijkstra’s algorithm and compute shortest route for a network. (7 marks, 2025-26)
  22. Q7b. Differentiate router, bridge, repeater, and gateway with applications. (7 marks, 2025-26)

AKTU paper codes: BCS603, KCS603, RCS603, NCS601

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