A LDP Layer 2 circuit is shown for VPN A and VPN B. LDP tunneling over RSVP is activated on
P1 and P2. Referring to the exhibit, which statement is true about the LDP Layer 2 circuit?
MAC learning is needed and using the inner VPN label between PE1 and PE2 for VPN A or
Targeted LDP sessions are established between PE1, P1 and P2, PE2.
Label stitching must be configured on P1 and P2 for end to end transport LSPs.
LDP must be enabled on the loopback interfaces of PE1 and PE2.