Your network contains two Windows Server Update Services (WSUS) servers named Server1 and Server2. Server1 is a member of a domain named contoso.com. Server2 is a standalone server. Server2 is configured as an autonomous downstream server.You need to ensure that all updates approved on Server1 are automatically approved on Server2. Which options should you modify？（）

• A、Automatic Approvals
• B、Products and Classifications
• C、Synchronization Schedule
• D、Update Source and Proxy Server