You have two servers&e

You have two servers named Server1 and Server2. Both servers run Windows Server 2008 R2.   Server1 is configured as an Enterprise Root certification authority （CA）.    You install the Online Responder role service on Server2.    You need to configure Server2 to issue certificate revocation lists （CRLs） for the enterprise root CA.   Which two tasks should you perform（）

• AImport the enterprise root CA certificate.
• BImport the OCSP Response Signing certificate.
• CAdd the Server1 computer account to the CertPublishers group.
• DSet the Startup Type of the Certificate Propagation service to Automatic.