Here’s the Answer to the Question posted on Facebook
Q. Homer wants to send a secure email to Marge so he decides to encrypt it. Homer wants to ensure that Marge can verify that he sent it. Which of the following does Marge need to verify the certificate that Homer used in this process is valid?
A. The CA’s private key
B. The CA’s public key
C. Marge’s public key
D. Marge’s private key
Answer available until March 9, 2016.
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See Chapter 10 of the CompTIA Security+: Get Certified Get Ahead: SY0-401 Study Guide.