Choose an INCORRECT statement regarding the MPLS technology.
A) It is a solution to fast forward IP packets using a mechanism similar to layer 2 switching rather than layer 3 routing.
B) In order to forward IP packets, MPLS relies on the label, conceptually similar to the virtual circuit.
C) When MPLS is active, routers utilize both label information base (LIB) and their routing tables to move packets.
D) The MPLS-enabled router is called Label Switching Router.
E) The label assigned to an IP packet changes while going through each router.

Question

Quizplus · Accepted Answer

MPLS routers, known as Label Switching Routers (LSRs), primarily use the Label Information Base (LIB) for forwarding decisions, not the routing table. The routing table is used to determine the next hop for a packet, but once the packet is labeled, the MPLS network uses the labels for forwarding decisions.

Choose an INCORRECT Statement Regarding the MPLS Technology