单选题When using OSPF as your IGP， which operational command must be enabled to populate the TED for CSPF calculations？（）A cspf enableB disable no-cspfC traffic-engineeringD enable traffic-engineering-database
题目
单选题
When using OSPF as your IGP， which operational command must be enabled to populate the TED for CSPF calculations？（）
A
cspf enable
B
disable no-cspf
C
traffic-engineering
D
enable traffic-engineering-database