What is the meaning of the pop action?

Posted by: Pdfprep Category: H12-224-ENU Tags: , ,

MPLS performs different actions on labels.

What is the meaning of the pop action?
A . The top label is removed from the MPLS label stack.
B . The top label is added to the MPLS label stack.
C . The top label is replaced with another value.
D . The top label is replaced with the label of another group.

Answer: A

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