H12-831 Web TestEngine demo

Select all that apply.

• A

  MPLSThe system has a variety of label publishing protocols, such asLDPis a label publishing agreement

• B

  Labeled byMIPLSheader of messageBIt has global significance, that is, the label values of all routers cannot be repeated.

• C

  A label is a fixed-length identifier with only local significance, which is used to uniquely identify the group to which a group belongs.FEC

• D

  MPLSSupports single-layer labels as well as multi-layer labels