问答题
what is mean of ospf auto-cost reference-bandwidth？
The OSPF metric is calculated ......
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单项选择题 Youareconfiguringan802.1QtrunkbetweenaLayer2switchandafirewall.Youreadinthedocumentationthatthebestwaytosetupatrunkistosettheportasdynamicdesirable.Thetrunkisnotcomingup.Whichoneoftheseoptionswouldbeavalidexplanation？（）
问答题 whatisASBR？
问答题 whatisABR？
