Which three statements about NetFlow are true？ （）
- A、LCP is used for PPP over ATM （PPPoA） setup.
- B、LCP is used for PPP over Ethernet （PPPoE） setup.
- C、LCP is used for PPP over Ethernet （PPPoPR） setup.
- D、LCP is used for PPP CHAP authentication.
- E、LCP is used for basic PPP link setup and operation.
正确答案:A,B,E
答案解析:有
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