Your network contains an enterprise root certification authority

(CA) named CA1.

Multiple computers on the network successfully enroll for certificates that will expire in one year. The certificates are based on a template named Secure_Computer. The template uses schema version 2.

You need to ensure that new certifica

tes based on Secure_Computer are valid for three years.

What should you do?

A. Modify the Validity period for the certificate template.

B. Instruct users to request certificates by running the

certreq.exe

command.

C. Instruct users to request certificate

s by using the Certificates console.

D. Modify the Validity period for the root CA certificate.