Which of the following is the BEST solution?

A security architect works for a manufacturing organization that has many different branch offices. The architect is looking for a way to reduce traffic and ensure the branch offices receive the latest copy of revoked certificates issued by the CA at the organization’s headquarters location. The solution must also have the lowest power requirement on the CA.

Which of the following is the BEST solution?

A. Deploy an RA on each branch office.

B. Use Delta CRLs at the branches.

C. Configure clients to use OCSP.

D. Send the new CRLs by using GPO.

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