The following information about MPLS tags describes the error as ?( Single choice questions).

Question

Arjen Vleugel · Accepted Answer

If the bottom of the label identifies S=0, it indicates that the label is the bottom label and is directly forwarded to the IP.

Arjen Vleugel · Answer

By default, devices support php features, and the ERAS node that supports PHP assigns a tag value of 3 to the penultimate hop node

Arjen Vleugel · Answer

When the tag value is 0, the tag must be ejected and the message must be forwarded based on IPv4

Arjen Vleugel · Answer

The MPLS tag is 4 bytes long and encapsulated between the link layer and the network layer.

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