单项选择题
When using OSPF as your IGP, which operational command must be enabled to populate the TED forCSPF calculations?（）
A. cspf enable B. disable no-cspf C. traffic-engineering D. enable traffic-engineering-database
多项选择题 Which two statements about IS reachability TLV (TLV 2) and the extended IS reachability (TLV 22) are true?（）
多项选择题 Which three are used to create a separate multicast and unicast forwarding topology on a Juniper Networks router?（）
单项选择题 OSPFv3 is used to route which type of packets?（）
