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Network And Security important questionsMost repeated in SPPU papers

These 28 questions appeared in more than one SPPU Network And Security paper we have: 8 papers, from May 2023 to Nov 2025. The most-asked come first. Each one links to the papers it was asked in.

All Network And Security papers and notes

Repeated questions

Endsem questions (18)

  1. 5×asked

    Differentiate between Circuit Switching, Message Switching and Packet Switching.

    Nov 2025 ·May 2025 ·May 2024 ·Nov 2023 ·May 2023

  2. 5×asked

    List and explain transport layer services.

    Nov 2025 ·May 2025 ·May 2024 ·Nov 2023 ·May 2023

  3. 5×asked

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

    Nov 2025 ·May 2025 ·May 2024 ·Nov 2023 ·May 2023

  4. 4×asked

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

    Nov 2025 ·May 2025 ·May 2024 ·Nov 2023

  5. 4×asked

    Draw and explain TCP header format.

    Nov 2025 ·May 2025 ·May 2024 ·Nov 2023

  6. 4×asked

    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?

    May 2025 ·May 2024 ·Nov 2023 ·May 2023

  7. 4×asked

    What is HTTP? Explain HTTP request and reply messages.

    May 2025 ·May 2024 ·Nov 2023 ·May 2023

  8. 3×asked

    Draw and explain Header format of IPV6.

    Nov 2025 ·May 2024 ·May 2023

  9. 3×asked

    Explain Distance vector routing.

    Nov 2025 ·May 2025 ·Nov 2023

  10. 3×asked

    Give short note on i) ARP ii) RARP

    Nov 2025 ·May 2025 ·Nov 2023

  11. 3×asked

    List and explain functions of Networks Layer.

    Nov 2025 ·May 2024 ·May 2023

  12. 3×asked

    What is DHCP? Explain DHCP working with client state diagram.

    Nov 2025 ·May 2024 ·May 2023

  13. 3×asked

    Differentiate between Symmetric and Asymmetric Key Cryptography.

    May 2025 ·Nov 2023 ·May 2023

  14. 3×asked

    Draw and explain UDP header format.

    May 2025 ·May 2024 ·Nov 2023

  15. 2×asked

    06 32 00 0D 001C E2 17 using this UDP hexadecimal dump find out i) Source port no. ii) Destination port no. iii) Total length of user datagram.

    Nov 2025 ·May 2023

  16. 2×asked

    Explain Types of Network Attacks.

    Nov 2025 ·May 2023

  17. 2×asked

    What is Quality of Service? Explain any two methods to improve QoS?

    Nov 2025 ·May 2023

  18. 2×asked

    Give short note on i) ICMP ii) IGMP

    May 2025 ·Nov 2023

Insem questions (10)

  1. 3×asked

    Draw Manchester and differential Manchester code for the bit sequence : 01001011.

    Aug 2025 ·Oct 2024 ·Oct 2023

  2. 3×asked

    Explain Ring and Mesh topologies.

    Aug 2025 ·Oct 2024 ·Oct 2023

  3. 3×asked

    Explain TCP/IP Model.

    Aug 2025 ·Oct 2024 ·Oct 2023

  4. 3×asked

    Give brief about design issues in DLL.

    Aug 2025 ·Oct 2024 ·Oct 2023

  5. 3×asked

    Justify answer using CRC for divisor : 1101 dividend : 100100.

    Aug 2025 ·Oct 2024 ·Oct 2023

  6. 2×asked

    Explain : i) Router ii) Switch

    Aug 2025 ·Oct 2023

  7. 2×asked

    Explain Direct Sequence Spread Spectrum.

    Aug 2025 ·Oct 2023

  8. 2×asked

    Explain IEEE 802.15 frame format.

    Aug 2025 ·Oct 2023

  9. 2×asked

    Give short note on CSMA/CA, CSMA/CD.

    Aug 2025 ·Oct 2024

  10. 2×asked

    What are Framing, Error control and Flow control?

    Aug 2025 ·Oct 2024

Questions count as repeated when their wording matches closely across papers. Numericals that depend on a figure are left out, since the figure changes from paper to paper.