筆試題（售前技術(shù)）
一 行業(yè)背景
1,請(qǐng)介紹下cernet網(wǎng)絡(luò)建設(shè)情況，網(wǎng)絡(luò)提供的服務(wù)有哪些?
2.高校一般有哪些應(yīng)用?一般有幾臺(tái)服務(wù)器?應(yīng)用的熱點(diǎn)是什么?
3.金融行業(yè)一般有哪些應(yīng)用?網(wǎng)絡(luò)拓?fù)涫窃趺礃拥?金融行業(yè)的應(yīng)用熱點(diǎn)是什么?
4.it業(yè)最近的技術(shù)熱點(diǎn)是什么? 行業(yè)趨勢(shì)是什么?廠商在里面起了什么作用.廠商該怎么辦?
5.請(qǐng)你盡可能多的從高端到低端列出你說(shuō)接觸過(guò)的cisco、華為、港灣、銳捷、的路由器.并說(shuō)明其技術(shù)特點(diǎn).
6.請(qǐng)問(wèn)售前工程師在一個(gè)項(xiàng)目中起的作用.
二 技術(shù)知識(shí)
1.請(qǐng)說(shuō)出以太網(wǎng)的發(fā)展歷程.并說(shuō)明不同時(shí)段相關(guān)的ieee的標(biāo)準(zhǔn).
2.請(qǐng)畫(huà)出以太網(wǎng)數(shù)據(jù)包，
筆試題（售前技術(shù)）
。ip包。tcp/udp 包的結(jié)構(gòu).3.請(qǐng)盡可能多的列出單播路由協(xié)議.并用一兩句話(huà)描述它的'特點(diǎn).
4.請(qǐng)盡可能的多列出組播路由協(xié)議.并用一兩句話(huà)描述它的特點(diǎn).
5.防火墻技術(shù)有多少種.你用過(guò)的有哪些?它的特點(diǎn)是什么?
6.什么是ids. ips ? 你用過(guò)的ids設(shè)備有哪些?
7.三層交換機(jī)和路由器的區(qū)別?為什么不能用三層交換機(jī)代替路由器?
9.請(qǐng)說(shuō)出你用過(guò)的操作系統(tǒng).并說(shuō)出他們的特點(diǎn).
10.請(qǐng)說(shuō)出你所用過(guò)的數(shù)據(jù)庫(kù).并說(shuō)出他們的特點(diǎn).
11.請(qǐng)描述下sdh技術(shù).
12.請(qǐng)?jiān)O(shè)計(jì)一條sql 語(yǔ)句. 從一個(gè)表中查找字段為特定的數(shù)據(jù).
三 閱讀理解
on the internet, a packet monkey is someone who intentionally inundates a web site or network with data packets, resulting in a denial-of-service situation. packet monkeys typically use tools created and made available on the internet by hackers. a packet monkey, unlike a script kiddy, leaves no clues as to who is making the exploit, making the identity of a packet monkey more difficult to trace. in addition, a denial-of-service attack can be launched on a wider scale than attacks performed by script kiddies, making them more difficult to investigate. hackers look down on packet monkeys and often describe them as “bottom feeders.”because a packet monkey uses tools created by others, the packet monkey has little understanding of the harm that may be cau
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