In the Carrier Supporting Carrier （CsC） feature， which two protocols run between CSC-PE and CSC-CE（）.
- A、IGP and RSVP
- B、EBGPv4 with a sending community
- C、IGP and EBGPv4
- D、IGP and LDP
- E、EBGPv4 with a sending label
正确答案:D,E
答案解析:有
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