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_____ is a powerful encryption tool released by Philip Zimmerman in the year 1991. (a) PGP (Protected Good Privacy) (b) AES (Advanced Encryption Standard) (c) PGP (Pretty Good Privacy) (d) DES (Data Encryption Standard) This question was addressed to me during an interview for a job. My question comes from Ethical Hacking in division Introduction to Ethical Hacking of Cyber Security Select the correct answer from above options Cyber Security questions and answers, Cyber Security questions pdf, Cyber Security question bank, Cyber Security questions and answers pdf, mcq on Cyber Security pdf,

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Correct answer is (c) PGP (Pretty Good Privacy) Explanation: This encryption program package name PGP (Pretty Good Privacy) became popular across the globe because it helps in providing authentication in data communication as well as help in maintaining privacy through cryptographic algorithms by encryption & decryption of plain texts (in emails and files) to cipher texts and vice versa.

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