Click the Exhibit button. Within an ONS 15454， you are provisioning a circuit on an unprotected SNCP ring. In the exhibit， which two must you configure？（） 
- A、 revertive
- B、 circuit size
- C、 circuit type
- D、 bidirectional
- E、 protected drops
- F、 Switch on PDI-P
正确答案:B,C
答案解析:有
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