Câu 67: 312-38: Certified Network Defender

Dan and Alex are business partners working together. Their Business-Partner Policy states that they should encrypt their emails before sending to each other. How will they ensure the authenticity of their emails?

1. A. Dan will use his digital signature to sign his mails while Alex will use Dan's public key to verify the authenticity of the mails. — đáp án hiện tại
2. B. Dan will use his digital signature to sign his mails while Alex will use his private key to verify the authenticity of the mails.
3. C. Dan will use his private key to encrypt his mails while Alex will use his digital signature to verify the authenticity of the mails.
4. D. Dan will use his public key to encrypt his mails while Alex will use Dan's digital signature to verify the authenticity of the mails.