CompTIA Security+ SY0-601 – Question105 Which of the following is assured when a user signs an email using a private key? A. Non-repudiationB. ConfidentialityC. AvailabilityD. Authentication Show Answer Hide Answer Correct Answer: D Explanation: Reference: https://trustifi.com/public-private-key-pairs-how-they-work/#:~:tex… 20sender%20signs,of%20decrypting%20the%20sender’s%20message