Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch overFastEthernet？（）A、802.3adB、802.1wC、802.1QD、802.1d
Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch overFastEthernet？（）
- A、802.3ad
- B、802.1w
- C、802.1Q
- D、802.1d
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