6GK1610-0TA01
ABB(中國)有限公司發布的《2006全國畢業生就業調查報告》中，當選為 最受大學生歡迎的企業。此次調查由國內領先的人力資源服務商--前程 無憂完成，調查對象覆蓋來自40所全國重點大學的58665名應屆畢業生，以及5,800家在華企業。 近年來，ABB公司已與中國各主要部委和大客戶建立了密切的關系。在 中國和全球市場，ABB都致力于成為一個能夠幫助客戶實現其業務目標 的供應商。ABB能夠實現這一遠大的目標，因為它對客戶的業務需求有 著深刻的理解，能夠預測風云變換的市場和客戶需求，可提供創新的 總體解決方案和強有力的金融和售后服務支持。
6GK1610-0TA01
聯系人：郭先生
聯系電話：18971415643《優先》
座機：027-83238871
傳真：207-61537051
QQ：810334512《優先》
6GK1610-0TA01
以太網交換機 交換機的工作原理： ·交換機根據收到數據幀中的源MAC地址建立該地址同交換機端口的映 射，并將其寫入MAC地址表中。 ·交換機將數據幀中的目的MAC地址同已建立的MAC地址表進行比較，以 決定由哪個端口進行轉發。 ·如數據幀中的目的MAC地址不在MAC地址表中，則向所有端口轉發。這 一過程稱之為泛洪（flood）。 ·廣播幀和組播幀向所有的端口轉發。
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