CompTIA Security+ (SY0-501) — Question 864

A user needs to send sensitive information to a colleague using PKI.
Which of the following concepts apply when a sender encrypts the message hash with the sender's private key? (Choose two.)

Answer options

• A. Non-repudiation
• B. Email content encryption
• C. Steganography
• D. Transport security
• E. Message integrity

Correct answer: A, E

Explanation

The correct answer includes Non-repudiation, ensuring the sender cannot deny sending the message, and Message integrity, which verifies that the message has not been altered. The other options do not apply directly to the encryption of the message hash with the sender's private key.