Computer Networks PYQ 2025-26 AKTU (BCS603R) Question Paper

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

AKTU Computer Networks (BCS603R) 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 protocol. What are the key elements of a protocol? (2 marks, 2025-26)
  2. Q1b. Differentiate analog transmission and digital transmission. (2 marks, 2025-26)
  3. Q1c. Explain how a Learning Bridge automatically builds its forwarding table. (2 marks, 2025-26)
  4. Q1d. Differentiate between forwarding and delivery with a suitable example. (2 marks, 2025-26)
  5. Q1e. What is window management in TCP? (2 marks, 2025-26)
  6. Q1f. State any two functions of Presentation Layer. (2 marks, 2025-26)
  7. Q1g. Explain the role of SNMP in network management. (2 marks, 2025-26)
  8. Q2a. Explain the TCP/IP protocol suite architecture. Compare it with layered communication principles and discuss the services provided by each layer. (7 marks, 2025-26)
  9. Q2b. Explain framing in Data Link Layer. Discuss character count, byte stuffing and bit stuffing methods with suitable examples. (7 marks, 2025-26)
  10. Q2c. Explain IPv6 addressing. Discuss its features and advantages over IPv4. (7 marks, 2025-26)
  11. Q2d. Explain TCP congestion control. Discuss the concepts of slow start, congestion avoidance and fast recovery. (7 marks, 2025-26)
  12. Q2e. Explain TELNET, VPN and SNMP. Compare their practical applications in network management and remote access. (7 marks, 2025-26)
  13. Q3a. Explain transmission media in detail. Compare twisted pair cable, coaxial cable and optical fiber in terms of bandwidth, cost and noise immunity. (7 marks, 2025-26)
  14. Q3b. Explain switching techniques in computer networks. Compare Circuit Switching, Message Switching and Packet Switching with suitable examples. (7 marks, 2025-26)
  15. Q4a. Explain the channel allocation problem in medium access control. Compare Random Access, Controlled Access and Channelization techniques. (7 marks, 2025-26)
  16. Q4b. Explain the Spanning Tree Algorithm. Why is it required in bridged LANs? Illustrate with a suitable example. (7 marks, 2025-26)
  17. Q5a. A company receives network address block 172.30.0.0/16. It needs 20 departments with at least 500 hosts per department. Design a suitable subnetting scheme and determine the subnet mask and maximum hosts per subnet. (7 marks, 2025-26)
  18. Q5b. Explain static routing and dynamic routing. Compare their advantages, limitations and applications. (7 marks, 2025-26)
  19. Q6a. Explain UDP protocol. Discuss its header format and justify why multimedia applications prefer UDP over TCP. (7 marks, 2025-26)
  20. Q6b. Explain Quality of Service (QoS). Discuss bandwidth, delay, jitter and reliability as QoS parameters. (7 marks, 2025-26)
  21. Q7a. Explain the role of Presentation Layer in data compression and encryption. Discuss how these services improve communication efficiency and security. (7 marks, 2025-26)
  22. Q7b. Explain the functionality provided by Session Layer and Presentation Layer. Discuss their implementation in modern computer networks. (7 marks, 2025-26)

AKTU paper codes: BCS603, KCS603, RCS603, NCS601

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