CompTIA Security Exam Practice Questions Sample SY0 501 Q513

Joe, a user, has been trying to send Ann, a different user, an encrypted document via email. Ann has not received the attachment but is able to receive the header information.
Which of the following is MOST likely preventing Ann from receiving the encrypted file?

A. Unencrypted credentials
B. Authentication issues
C. Weak cipher suite
D. Permission issues

Correct Answer: B