Which three protocols should be explicitly managed by using a CoPP policy on an Internet border router？（）A、SMTPB、ICMPC、BGPD、SSHE、RTPF、BitTorrentG、VTP
Which three protocols should be explicitly managed by using a CoPP policy on an Internet border router？（）
- A、SMTP
- B、ICMP
- C、BGP
- D、SSH
- E、RTP
- F、BitTorrent
- G、VTP
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