What is the new designation for the MPLS EXP (experimental) bits?
A. QoS bits
B. traffic class bits
C. flow bits
D. precedence bits
What is the new designation for the MPLS EXP (experimental) bits?
A. QoS bits
B. traffic class bits
C. flow bits
D. precedence bits
according to :
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_classn/configuration/xe-3s/qos-classn-xe-3s-book/qos-classn-mrkg-mpls-exp.html
it copies the precedence bits (or the 3 most significant of the DSCP bits into the EXP bits. …
So, D should be correct
Answer is B
https://tools.ietf.org/html/rfc5462
Multiprotocol Label Switching (MPLS) Label Stack Entry:
“EXP” Field Renamed to “Traffic Class” Field