Skip to content
EndsemDec 20252019 patternSE IT

Basics of Computer Network (BCN) SPPU Endsem Question Paper Dec 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated BCN questions
Subject code
214445
Pattern
2019 pattern
Exam
Endsem
Session
Dec 2025
Max. marks
70
Time
2½ Hours
Semester
III
Paper code
[6582]-63

Printed for: S.E. (Information Technology)

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicates full marks.
  4. Assume Suitable data if necessary.

Questions

  1. Q1

    1. a)

      Draw & Explain the frame format for IEEE 802.3?

      Also asked:May 2025 ·May 2024

      [6]
    2. b)

      Explain the various controlled access methods.

      Also asked:May 2025

      [6]
    3. c)

      Discuss CSMA/CD random access technique. How is collision detection achieved in this technique?

      Also asked:May 2025

      [6]

  2. Q2

    1. a)

      Explain the following physical layer implementations in standard Ethernet: i) 10Base5 ii) 10BaseT iii) 10BaseF

      Also asked:May 2025

      [6]
    2. b)

      Write short notes on: i) IEEE 802.4 (Token Bus) ii) IEEE 802.5 (Token Ring)

      Also asked:May 2025 ·May 2024

      [6]
    3. c)

      Explain FDMA, TDMA and CDMA in detail.

      Also asked:May 2025 ·May 2024

      [6]

  3. Q3

    1. a)

      Explain different classes of IP addresses and show by calculations how many networks and hosts are possible in each class?

      Also asked:May 2025

      [6]
    2. b)

      Calculate the following for a network address 192. 168, 1. 0/27 i) Number of valid subnets ii) Number of actual hosts per subnet iii) Network and broadcast address for each subnet

      Also asked:May 2025

      [6]
    3. c)

      Compare between IPv4 and IPv6. 2

      [5]

  4. Q4

    1. a)

      For a given class-C network, design 4 equal subnets having minimum 50 nodes in each sub network.

      Also asked:May 2025

      [6]
    2. b)

      Explain NAT & CIDR with neat Diagram.

      [6]
    3. c)

      Draw and Explain Header diagram of IPv4.

      [5]

  5. Q5

    1. a)

      What is routing? State different types of routing. Explain two interior gateway routing protocols.

      Also asked:May 2025

      [6]
    2. b)

      Compare and contrast the advertisement used by RIP and OSPF Routing protocols.

      Also asked:May 2025

      [6]
    3. c)

      Explain Optimally Principle with help of example.

      [6]

  6. Q6

    1. a)

      What is Autonomous System? What are the Inter Domain Routing Protocols? Explain Any one Inter Domain Routing protocols in details.

      Also asked:May 2025

      [6]
    2. b)

      Differentiate between Distance Vector Routing and Link State Routing.

      Also asked:May 2025 ·May 2024

      [6]
    3. c)

      What is BGP? Explain the operation of BGP with suitable example.

      [6]

  7. Q7

    1. a)

      Explain duties of transport layer and differentiate between connection oriented and Connection less services.

      Also asked:May 2025

      [6]
    2. b)

      Draw & Explain Leaky Bucket and Token Bucket algorithm?

      Also asked:May 2025

      [6]
    3. c)

      Explain Three Way Handshake algorithm for TCP connection establishment.

      Also asked:May 2025

      [5]

  8. Q8

    1. a)

      What is a socket? Explain the various socket primitives and types of socket with Example.

      Also asked:May 2025

      [6]
    2. b)

      Discuss Flow control and Congestion control mechanisms in TCP.

      Also asked:May 2025

      [6]
    3. c)

      What is Silly Window Syndrome? Explain at-least two methods to overcome it. eeee

      Also asked:May 2025

      [5]