CIFS acceleration is not working. Which three steps should you use to troubleshoot the problem? （）(Choose three.)

• A、Verify that HTTP acceleration is enabled.
• B、Verify that TCP Acceleration (AFP) is enabled.
• C、Verify that the CIFS application definition is defined correctly.
• D、Verify that SMB signing is not required on the clients and domain controllers.
• E、Verify that CIFS acceleration is enabled on both the server and client-side WX devices.