Referring to the exhibit, which statement is true assuming LDP VPN signaling?
PE1 uses the label value received from PE2 for VPN B as the inner label for VPN B.
PE2 uses the label value received from PE1 for VPN A as the transport label for VPN A.
P1 uses the label value for VPN A advertised by PE1, because RSVP is enabled.
PE1 uses the transport label value received for VPN A that is advertised by PE2 as the inner
label for VPN A.