In MPLS,the ________ adds the label to the packet.
A) source host
B) first label-switching router
C) either A or B
D) neither A nor B

Question

Quizplus · Accepted Answer

In MPLS, the first label-switching router adds the label to the packet. This is because the label-switching routers are responsible for forwarding the packets based on the labels, and the first one in the path adds the label. The source host does not add the label as it is not aware of the MPLS network and its functioning. Consequently, the correct choice is B - the first label-switching router.

In MPLS,the ________ Adds the Label to the Packet