Which two statements are true about the integration of EX Series switches and the Junos Pulse
Access Control Service? (Choose two.)

A.
EX Series switches can only be used for Layer 2 enforcement using the 802.1X protocol.

B.
EX Series switches can be used as Layer 3 enforcers if no firewalls are present.

C.
EX Series switches require the use of the Junos Pulse Gateway RADIUS server.

D.
EX Series switches can be used to block users based on their MAC addresses and roles.