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2 Comments on “Which of the following technologies provide the MOST complete protection?

  1. Brian G says:

    The correct answers are PGP/GPG and S/MIME. Note that the question is asking about encrypting corporate email. Between them, PGP/GPG and S/MIME will allow for complete encryption. IPSEC and Secure POP3 will assist in data in transit, but not at rest. HMAC is a hash, not encryption.




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