Which of the following activities should you do first?

You want to establish a VPN, using Certificates. Your VPN will exchange Certificates with an external partner. Which of the following activities should you do first?

A.
Manually import your partner’s Access Control List.

B.
Exchange a shared secret, before importing Certificates.

C.
Create a new logical-server object, to represent your partner’s CA.

D.
Manually import your partner’s Certificate Revocation List.

E.
Exchange exported CA keys and use them to create a new server object, to represent your partner’s Certificate Authority (CA).