Digital certificates can be used for each of these EXCEPT . A. to encrypt channels to provide secure communication between clients and servers B. to encrypt messages for secure email communications C. to verify the authenticity of the Registration Authorizer D. to verify the identity of clients and servers on the Web

Option(C) is the correct answer.

Explanation:

The digital certificate sometimes also called Public Key Certificate. The digital certificate is the encrypted password that enables an entity to securely share information across the Web using the PKI network. The digital certificate is used for security purposes.

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