Your network contains an Active Directory domain named contoso.com. Contoso.com contains  three servers.The servers are configure as shown in the following table.     Server name   Server roel Service   Server1                          Certification authority （CA）   Server2                         Certificate Enrollment Web Service  Server3                          Certificate Enrollment Policy Web Service   You need to ensure that users can manually enroll and renew their certificates by using the  Certificate Enrollment Web Service.     Which two actions should you perform（）

• A、Configure the policy module setting.
• B、Configure the issuance requeriments for the certificate templates.
• C、Configure the Certificate Services Client - Certificate Enrollment Policy Group Policy setting.
• D、Configure the delegation setting for the Certification Enrollment Web Service application pool account.