Which one of the following is the PKI operation that would likely cause out-of-band communication over the phone?

Posted by: Pdfprep Category: 210-250 Tags: , ,

Which one of the following is the PKI operation that would likely cause out-of-band communication over the phone?

A. The client checks with the CA to determine whether a certificate has been revoked.

B. The client validates with the CA to determine if the peer that they are communicating with is the entity that is identified in a certificate.

C. A new signed certificate is received by the certificate applicant from the CA.

D. The CA administrator contacts the certificate applicant to verify enrollment data before the request can be approved.

Answer: D

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