多选题Which three IS-IS TLVs are used to support MPLS traffic engineering？ （）Aextended TLV 22Bextended TLV 23Cextended TLV 134Dextended TLV 135Eextended TLV 136Fextended TLV 138
多选题
Which three IS-IS TLVs are used to support MPLS traffic engineering？ （）
A
extended TLV 22
B
extended TLV 23
C
extended TLV 134
D
extended TLV 135
E
extended TLV 136
F
extended TLV 138
参考解析
解析：
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