In order to support the processing and calculation of IPv6 routes, IS-IS adds a new NLPID in TLV No. 129. NLPID is an 8-bit field that identifies the network layer protocol message. Which of the following is the NLPID value of IPv6?

In order to support the processing and calculation of IPv6 routes, IS-IS adds a new NLPID in TLV No. 129. NLPID is an 8-bit field that identifies the network layer protocol message. Which of the following is the NLPID value of IPv6?
A . 232
B . 236
C . 142
D . 204

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Answer: C