Which of the following statements are true regarding P devices in an MPLS VPRN? (Choose two.)

Which of the following statements are true regarding P devices in an MPLS VPRN? (Choose two.)
A . Participate in service provider core routing
B. P devices are not required to be MPLS enabled. MPLS is only required on the PE devices
C. Run a common routing protocol with the CE router
D. Must support MP-BGP
E. Do not have any connections to the CE
F. Must be aware of the VPRNs

Answer: A,E