After a Recent Internal Breach, a Company Decided to Regenerate

After a recent internal breach, a company decided to regenerate and reissue all certificates used in the transmission of confidential information. The company places the greatest importance on confidentiality and non-repudiation, and decided to generate dual key pairs for each client. Which of the following BEST describes how the company will use these certificates?

A) One key pair will be used for encryption and decryption. The other will be used to digitally sign the data.
B) One key pair will be used for encryption. The other key pair will provide extended validation.
C) Data will be encrypted once by each key, doubling the confidentiality and non-repudiation strength.
D) One key pair will be used for internal communication, and the other will be used for external communication.

Correct Answer:

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