Using more than one label on a single packet is required in what context?

In the Inter-AS VPN deployment shown in the diagram, what is the Next Hop address of MP-IBGP
Update for CE4 network received at PE-R2?

There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet
label stack sequence (from outer to inner) for the VPN traffic on this router?

Which three statements about the route target (RT) are true? (Choose three.)

In the context of MPLS, what is the correct action to be performed when an aggregate label is
received?

Which two statements are correct with regard to route distinguisher as defined in RFC 4364 AKA
IP-VPN (MPLS-VPN)? (Choose two.)

Which two implementations are standard Virtual Private LAN Service (VPLS) implementations that
are supported by the IETF? (Choose two)

DRAG DROP
Drag the command on the left to the correct step on the right to perform Frame Relay interworking
with Ethernet over MPLS on a Cisco IOS router.

Which three things are the building blocks of the Cisco VPLS architecture? (Choose three)

What is the data encapsulation method for the VPLS virtual circuit (VC)?