6GK1610-0TA01
ABB(中國)有限公司發(fā)布的《2006全國畢業(yè)生就業(yè)調(diào)查報(bào)告》中，當(dāng)選為 最受大學(xué)生歡迎的企業(yè)。此次調(diào)查由國內(nèi)領(lǐng)先的人力資源服務(wù)商--前程 無憂完成，調(diào)查對(duì)象覆蓋來自40所全國重點(diǎn)大學(xué)的58665名應(yīng)屆畢業(yè)生，以及5,800家在華企業(yè)。 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(guān)系。在 中國和全球市場，ABB都致力于成為一個(gè)能夠幫助客戶實(shí)現(xiàn)其業(yè)務(wù)目標(biāo) 的供應(yīng)商。ABB能夠?qū)崿F(xiàn)這一遠(yuǎn)大的目標(biāo)，因?yàn)樗鼘?duì)客戶的業(yè)務(wù)需求有 著深刻的理解，能夠預(yù)測風(fēng)云變換的市場和客戶需求，可提供創(chuàng)新的 總體解決方案和強(qiáng)有力的金融和售后服務(wù)支持。
6GK1610-0TA01
聯(lián)系人：郭先生
聯(lián)系電話：18971415643《優(yōu)先》
座機(jī)：027-83238871
傳真：207-61537051
QQ：810334512《優(yōu)先》
6GK1610-0TA01
以太網(wǎng)交換機(jī) 交換機(jī)的工作原理： ·交換機(jī)根據(jù)收到數(shù)據(jù)幀中的源MAC地址建立該地址同交換機(jī)端口的映 射，并將其寫入MAC地址表中。 ·交換機(jī)將數(shù)據(jù)幀中的目的MAC地址同已建立的MAC地址表進(jìn)行比較，以 決定由哪個(gè)端口進(jìn)行轉(zhuǎn)發(fā)。 ·如數(shù)據(jù)幀中的目的MAC地址不在MAC地址表中，則向所有端口轉(zhuǎn)發(fā)。這 一過程稱之為泛洪（flood）。 ·廣播幀和組播幀向所有的端口轉(zhuǎn)發(fā)。
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