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#ميد_الاقتصاد_الجزئي العام الماضي: حل ميد الاقتصاد الجزئي: ١ أ ٢ أ ٣ أ ٤ ج ٥ ب ٦ أ ٧ ب ٨ أ ٩ ج ١٠ د ١١ ب ١٢ب ١٣أ ١٤ب ١٥ج ١٦ أ ١٧أ ١٨ ج ١٩ب ٢٠ج ٢١ب ٢٢أ

حل تسريب اقتصاد جزئي 2👆: 1 ج 2 ج 3 ج 4 أ 5 د 6 أ 7 ب 8 أ 9 أ 10 ج 11 ج 12 د 13 ب 14 ج 15 ج 16 ج 17 ب 18 أ 19 أ 20 ب 21 د 22 أ 23 ب 24 أ 25 أ

ميد الأمن والخصوصية بنات الزاهر الان الساعة ١٢: Q1: True or False (....../8 Marks) 1. A security goal to prevents unauthorized people from reading data is Confidentiality True 2. In Role-Based Access Control (RBAC), permissions are mainly assigned to file name. False 3. A good action at the start of the data lifecycle is to Share all data publicly False 4. In differential privacy, a smaller epsilon (ε) usually gives Stronger privacy and more noise True 5. Privacy is a security goal protects data from unauthorized changes False 6. Symmetric encryption type uses the same secret key to encrypt and decrypt data True 7. Data lineage helps an organization know where data came from and how it moved True 8. A product category considers a direct identifier. False --- Q2: Chose the correct answer from the following statements (....../12 Marks): 9. A university system is offline, so students cannot access it. Which security goal is affected A. Availability B. Integrity C. Confidentiality D. Authenticity Answer: A. Availability 10. A weak password policy that an attacker can use is an example of: A. An asset B. A countermeasure C. A certificate D. A vulnerability Answer: D. A vulnerability 11. A staff member receives only the permissions needed for the job. The security principle used is: A. Open design B. Least privilege C. Availability D. Aggregation Answer: B. Least privilege 12. Authentication mainly answers the following question: A. Who are you? B. What data is stored? C. When was the data deleted? D. How much data exists? Answer: A. Who are you? 13. Authorization decides: A. Whether a password is long B. Whether a file is encrypted C. Whether a user may perform an action D. Whether a network is online Answer: C. Whether a user may perform an action 14. Which example uses multi-factor authentication? A. A password only B. A fingerprint only C. A username only D. A password and an OTP code Answer: D. A password and an OTP code 15. Which tool creates a fixed-size value to help check data integrity? A. A firewall B. A username C. A hash function D. An access list Answer: C. A hash function 16. Data privacy mainly asks: A. How fast is the network? B. Should this personal data be collected, used, or shared? C. How many servers exist? D. Which laptop is newest? Answer: B. Should this personal data be collected, used, or shared? 17. Age, ZIP code, and gender may identify a person when combined. These are: A. Public keys B. Security mechanisms C. Non-sensitive controls D. Quasi-identifiers Answer: D. Quasi-identifiers 18. Changing Age = 23 to Age = 20-29 is: A. Suppression B. Generalization C. Encryption D. Authentication Answer: B. Generalization 19. Removing the National ID column from a dataset is: A. Suppression B. Aggregation C. Authorization D. Hashing Answer: A. Suppression 20. If a dataset has k = 3, each combination of quasi-identifiers must appear in at least: A. 1 record B. 2 records C. 3 records D. 10 records Answer: C. 3 records

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