Which statement about pseudowire is true?

Which statement about pseudowire is true?

A.
Pseudowire is used only to emulate T1 and E1 leased line services between customer
sites.

B.
Pseudowire is set up between the CEs at two different customer sites to emulate a
customer’s T1 or E1 circuit.

C.
Pseudowire eliminates the need for MPLS on a service provider core network.

D.
Pseudowire is set up between PEs that serve two different customer sites to emulate a
customer’s T1 or E1 circuit.

Explanation: