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CY-503 (C) · Data Security/Important Questions

Data Security (CY-503 (C)) - Important Questions

  1. Unit 27 Marks Medium Priority Asked: 2022, 2023, 2024

    Explain the working of the Pretty Good Privacy (PGP) protocol and its use in securing email communication.

    Exact past-paper question from DEC 2024; core topic in Unit 2 and repeatedly asked in previous years.

  2. Unit 27 Marks Medium Priority Asked: 2022, 2023, 2024

    Explain how PGP provides authentication and confidentiality; draw the PGP message format.

    High-frequency core question from analytics heatmap; tests PGP message format and combined confidentiality/authentication aspects.

  3. Unit 27 Marks Medium Priority Asked: 2024

    Outline the SSL Handshake Protocol and explain each step in establishing a secure connection between client and server.

    Direct past-paper question (Dec 2024) covering TLS/SSL handshake steps; fundamental for web security in Unit 2.

  4. Unit 27 Marks Medium Priority Asked: 2024

    Differentiate between SSL Connection and SSL session. How do these concepts contribute to securing web traffic?

    Exact past-paper question (Dec 2024) distinguishing SSL session vs connection; clarifies important TLS concepts.

  5. Unit 27 Marks Medium Priority Asked: 2024

    Describe the main security concerns associated with online financial transactions and how the Secure Electronic Transaction (SET) protocol addresses them.

    Direct past-paper question (Dec 2024) about secure online financial transactions and SET protocol responses.

  6. Unit 27 Marks Medium Priority Asked: 2023

    Discuss in detail Biometric Authentication.

    Past-paper question (Nov 2023) on a biometric topic frequently examined in Unit 2 authentication sections.

  7. Unit 27 Marks Medium Priority Asked: 2022, 2023

    Explain cipher block modes of operation (ECB, CBC, CFB, OFB) with merits and demerits.

    Top repeated theoretical question from analytics heatmap; core symmetric cipher modes topic in Unit 2.

  8. Unit 27 Marks Medium Priority Asked: 2022, 2023, 2024

    Discuss Message Authentication Codes / HMAC and their role in message integrity and authentication.

    High-importance integrity/authentication topic observed repeatedly in past papers and analytics.

  9. Unit 27 Marks Medium Priority Asked: 2022, 2024

    Explain the RC4 stream cipher and generate initial keystream bytes for a small key.

    Frequent practical cipher question from analytics; tests understanding of stream cipher RC4 and keystream generation.

  10. Unit 27 Marks Medium Priority Asked: 2022, 2023

    Differentiate between block and stream ciphers.

    Basic conceptual comparison that recurs in Unit 2 examinations (block vs stream ciphers).

  11. Unit 27 Marks Medium Priority Asked: 2022, 2023, 2024

    Concept of PKCS

    Topic flagged in analytics unit_topic_frequency; PKCS concepts are core to Unit 2 public-key/message formats.

  12. Unit 27 Marks Medium Priority Asked: 2023

    RSA cryptosystem

    RSA cryptosystem appears in past papers for Unit 2; fundamental asymmetric algorithm question.

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