Security+ and Digital Signatures

Are you planning to take the Security+ exam? If so, make sure you understand cryptography topics such as digital signatures.

See if you can answer this Security+ practice test question.

Q. Lenny and Carl work in an organization that includes a PKI. Carl needs to send a digitally signed file to Lenny. What does Carl use in this process?

A. Carl’s public key

B. Carl’s private key

C. Lenny’s public key

D. Lenny’s private key

See the answer and the full explanation here.