Grade: ________________________ Date: _________________________ Name : _______________________________________________________ Instructions: - Answer all questions. - Each question carries equal marks. - Write your answers in the space provided. - Ensure your responses are clear and concise. - Total marks for the paper: 20. 1. Explain encryption and its role in data security. (2 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 2. Define public and private keys in encryption. (2 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 3. Discuss the importance of crucial data security. (2 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 4. Explain how public and private keys work together in encryption. (2 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 1|Page Grade: ________________________ Date: _________________________ Name : _______________________________________________________ 5. Compare symmetric and asymmetric encryption techniques. (4 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 6. Explain the role of public and private keys in email communication. (2 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 7. Discuss the advantages of symmetric encryption over asymmetric encryption. (2 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 8. Identify vulnerabilities associated with encryption. (2 mark) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 2|Page Grade: ________________________ Date: _________________________ Name : _______________________________________________________ 9. Define plaintext and ciphertext. (2 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 10. Describe how encryption protects data during transmission and storage. (2 marks) __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 3|Page