Answer the following questions: 1. What are the four basic backup and recovery features necessary in...

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Answer the following questions: 1. What are the four basic backup and recovery features necessary in a database management system? Briefly explain each. 2. Many authorities believe that the employer does not prosecute go percent of all computer fraud acts. What do you think accounts for this lack of prosecution? Discuss the importance of the establishment of a formal policy for taking disciplinary (or legal) action against security violations. 3. Why is it risky to allow programmers to create user subschemas and assign access authority to users? What unethical technique do programmers sometimes use when they are not allowed to assign access authority to users? 4. Distinguish between data access and access privileges. Design and explain a database authorization table as an example. Answer the following questions: 1. What are the four basic backup and recovery features necessary in a database management system? Briefly explain each. 2. Many authorities believe that the employer does not prosecute go percent of all computer fraud acts. What do you think accounts for this lack of prosecution? Discuss the importance of the establishment of a formal policy for taking disciplinary (or legal) action against security violations. 3. Why is it risky to allow programmers to create user subschemas and assign access authority to users? What unethical technique do programmers sometimes use when they are not allowed to assign access authority to users? 4. Distinguish between data access and access privileges. Design and explain a database authorization table as an example.