You want to create a security policy on an SRX240 that redirects unauthenticated users back to the Junos Pulse Access Control Service.Which two steps must you take to accomplish this task?（）

• A、Configure a captive-portal service that redirects all traffic back to the Junos Pulse Access Control Service.
• B、Configure a security policy that references the unified-access-control captive-portal service.
• C、Configure a captive-portal service that redirects unauthenticated traffic back to the Junos Pulse Access Control Service.
• D、Configure a security policy that references the unified-access-control intranet-controller service.