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EndsemMay 20252019 patternTE E&TC

Computer Networks (CN) SPPU Endsem Question Paper May 2025

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

Open the PDFMost repeated CN questions
Subject code
310244
Pattern
2019 pattern
Exam
Endsem
Session
May 2025
Max. marks
70
Time
2½ Hours
Semester
V
Paper code
[6403]-38

Printed for: T.E. (Computer Engineering)

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 whenever necessary.
  3. Figures to the right indicate full marks.
  4. Assume suitable data if necessary.

Questions

  1. Q1

    1. a)

      Give short note on i) ICMP ii) IGMP

      [6]
    2. b)

      Explain Link state routing.

      [6]
    3. c)

      192.168.5.51 / 27 for given address find out the. i) Subnet mask? ii) What is first ip address for given series? iii) What is last ip address for given series?

      [6]

  2. Q2

    1. a)

      Give short note on i) ARP ii) RARP

      [6]
    2. b)

      Explain Distance vector routing.

      Also asked:May 2025 ·Nov 2024 ·May 2024 ·May 2023

      [6]
    3. c)

      Differentiate between Circuit Switching, Message Switching and Packet Switching.

      Also asked:May 2023

      [6]

  3. Q3

    1. a)

      Draw and explain UDP header format.

      [6]
    2. b)

      What is Socket? ‘What are different types of socket? Explain socket functions used in connection oriented services with diagram.

      [6]
    3. c)

      Explain SCTP protocol in detail.

      [6]

  4. Q4

    1. a)

      Draw and explain TCP header format.

      Also asked:Nov 2024

      [6]
    2. b)

      List and explain transport layer services.

      [6]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]

  5. Q5

    1. a)

      What is SNMP? Explain SNMP working.

      [9]
    2. b)

      What is HTTP? Explain HTTP request and reply messages.

      [8]

  6. Q6

    1. a)

      What is DNS? Explain DNS working.

      [9]
    2. b)

      Write short notes on FTP and TELNET.

      [8]

  7. Q7

    1. a)

      Differentiate between Symmetric and Asymmetric Key Cryptography.

      [6]
    2. b)

      Explain SSL in detail.

      [6]
    3. c)

      Give short note on Firewalls.

      [5]

  8. Q8

    1. a)

      Draw and explain ITU-T X.800 Security Architecture for OSI.

      [6]
    2. b)

      Give short note on HTTPS.

      [6]
    3. c)

      Give short note on IDS. 

      [5]