52. Pretty Good Privacy (PGP) provides…?

Вариант ответа 1 - A. confidentiality, integrity, and authenticity.

Вариант ответа 2 - B. integrity, availability, and authentication.

Вариант ответа 3 - C. availability, authentication, and non-repudiation.

Вариант ответа 4 - D. authorization, non-repudiation, and confidentiality.