6330BPDU报文间隔时间取值范围为()A.1S-20SB.1S-15SC.1S-5SD.1S-10S9428

BPDU报文间隔时间取值范围为() A.1S-20S B.1S-15S C.1S-5S D.1S-10S 请帮忙给出正确答案和分析,谢谢!

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