You have a single Active Directory directory service domain. You plan to use a server named Server1 to deliver Microsoft updates to all your companys workstations. The workstations are located in an organizational unit （OU） named Workstations. Server1 is located in an OU named Servers. You need to ensure that all workstations receive Microsoft updates from Server1 and that the updates are installed at 3：00 AM each day. What should you do？（）
- A Create a GPO and enable the Configure Automatic Updates and Enable recommended updates via automatic Updates options. Link the GPO to the Workstations OU.
- B Create a GPO and enable the Configure Automatic Updates and Automatic Updates detection frequency options. Link the GPO to the Workstations OU.
- C Create a GPO and enable the Configure Automatic Updates and Specify intranet Microsoft update service location options. Link the GPO to the domain.
- D Create a GPO enable the Configure Automatic Updates and Specify intranet Microsoft update service location options. Link the GPO to the Servers OU.