单选题What is used as label in cell-based MPLS ？（）AVPIBVCICVPI and VCIDSpecific 4 bytes labelENone of above
单选题
What is used as label in cell-based MPLS ？（）
A
VPI
B
VCI
C
VPI and VCI
D
Specific 4 bytes label
E
None of above
参考解析
解析：
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