Posted by: Pdfprep
Post Date: December 15, 2020
Which two loop detection mechanism are used by MPLS LDP? (Choose two)
A . An RSVP-TE path attribute, where each LSR adds its own ID to the path
B . A TTL field in the label header that prevents packets from looping indefinitely
C . The IGPs built in mechanism that is used to determine the path
D . An additional TLV that counts the number of hops in an LSP
E . An LDP Path Vector TLV, where an LSR rejects the request if it finds its own router ID
Answer: B, D
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