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Explain Discretionary Access Control (DAC).

Owner’s Control: DAC is like giving someone ownership of a thing, say a computer file or a document. The person who creates the file is the boss, the owner.

Username and Password: To access this file, you need a key. In the digital world, this key is your username and password. Only if you have the right key can you open the file.

Object Ownership: Every file or thing on a computer has an owner. It’s like saying, “This document belongs to John.”

Discretionary Power: The cool part is, John can decide who else gets keys to his document. He can share it with friends or colleagues by giving them usernames and passwords.

Transferable Access: If John no longer needs the document, he can pass ownership to someone else. He might say, “Now, Mary is the boss of this file.”

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