单项选择题 You have an enterprise subordinate certification authority (CA). The CA issues smart card logon  certificates.   Users are required to log on to the domain by using a smart card.   Your companys corporate security policy states that when an employee resigns, his ability to log on to the network must be immediately revoked.   An employee resigns.   You need to immediately prevent the employee from logging on to the domain.  What should you do（）

单项选择题 Yournetworkcontainsanenterpriserootcertificationauthority（CA）.YouneedtoensurethatacertificateissuedbytheCAisvalid.Whatshouldyoudo（）

单项选择题 You have a server named Server1 that has the following Active Directory Certificate Services (AD CS)   role services installed:   ( Enterprise root certification authority (CA)  .Certificate Enrollment Web Service   .Certificate Enrollment Policy Web Service   You create a new certificate template.   External users report that the new template is unavailable when they request a new certificate.  You verify that all other templates are available to the external users.   You need to ensure that the external users can request certificates by using the new template.  What should you do on Server1（）