Which statement about the MPLS LSP Ping is true?

Which statement about the MPLS LSP Ping is true?
A . The LSP Ping Echo request must contain the downstream mapping TLV
B . A unique Sender’s Handle is generated during each LSP Ping operation
C . A unique sequence number is generated during each LSP Ping operation
D . The LSP Ping Echo request may contain the FEC stack TLV

View Answer

Answer: B