Which two statements are true about applying Host Checker at the realm level?（）

• A、If Evaluate is checked then the client must pass policy to get the sign-in page.
• B、If Evaluate is checked then the client can fail policy and still get the sign-in page.
• C、If Require and Enforce is checked then the client must pass policy to get the sign-in page.
• D、If Require and Enforce is checked then the client can fail policy and still get the sign-in page.