Which two Workspace ONE UEM services require persistence on the load balancers to support an environment of 25,000 devices? (Choose two.)

Which two Workspace ONE UEM services require persistence on the load balancers to support an environment of 25,000 devices? (Choose two.)
A . Workspace ONE Intelligence
B. Secure Email Gateway
C. Device Services
D. AirWatch Cloud Connector
E. Dell Factory Provisioning

Answer: C,D