Router HW1 Functions as an MPLS LSR Router on the Carrier's

question 331

Multiple Choice

Router HW1 functions as an MPLS LSR router on the carrier's network. The router receives a labelled packet, but the label entry does not exist in the router's LFIB. Given this information, how will the router process the packet?

• A) Router HW1 discards the packet.
• B) Router HW1 uses the default label to forward the packet.
• C) Router HW1 removes the label, searches the FIB, and uses the destination IP address to forward the packet.
• D) Router HW1 uses LDP to create an LSP and creates a path in its LFIB for the label carried in the packet.

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Definitions:

Brachiocephalic

Referring to the brachiocephalic artery or vein, critical vessels that supply blood to the right arm, neck, and head.

Digastric

A muscle located under the jaw that acts in the process of opening the mouth and depressing the mandible.

Sternomastoid

A muscle in the side of the neck, extending from the sternum and clavicle to the mastoid process of the temporal bone, involved in head and neck movement.

Teres Major

A muscle in the upper arm that assists in the rotation and adduction of the shoulder.