Pease answer the following questions. Please give a brief explanation of each an

Question

Pease answer the following questions. Please give a brief explanation of each answer. Please respond within 8 hours.

Which of the following is the most secure way of storing passwords? Question options: Password is stored using strong encryption, like AES. Password and random salt are run through a slow cryptographic hash algorithm. Password is stored in plain text in a secure database. Mandatory access control is based on Question options: a requirement to control all access, two-factor authentication, a system of classifications and clearances.

Explanation / Answer

Question 18)

Answer:- (2)

Explanation :- Passwords stored in a database as a plain text can be accessed by any attacker while they are transferred on a network. Encryption is a reversible operation, So passwords stored using encryption can be decrypted by any attacker who have the key. But, Hashing is a one way operation, So it is the most secure way to sore passwords.

Question 19)

Answer:- (1)

Explanation:- Mandatory Access Control (MAC) is a security strategy often used by Operating System (Kernel), Database Management System etc., to control the ability of any user to access any object or resource like tables,views in database. So, it is based on "a requirement to control all access".

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