優(yōu)易學(xué) 職業(yè)資格類 計算機/IT 試題詳情

【試題詳情】

When does the E-series router start monitoring DHCP traffic using the DHCP External function?（）

A、When the discovery packet enters the router from the DHCP client.

B、Only when the offer packet enters the router from the DHCP server.

C、When the acknowledge packet enters the router from the DHCP server.

D、Only when the discovery packet leaves the router going to the DHCP server.

查看答案

更多相關(guān)內(nèi)容推薦

  • 有效溝通的方法是（）

    A、溝通過程應(yīng)使用專業(yè)術(shù)語

    B、溝通中少用描述性語言

    C、需要反反復(fù)復(fù)地與一個對象進行溝通

    D、溝通中應(yīng)該多說多講，表達自己的情緒

    E、隨時評價溝通對象的觀點，展開討論

  • Which?Web-based?administration?tools?are?available?in?IBM?Tivoli?Access?Manager?for?Enterprise?Single?Sign-On？（）

    A、AccessAdmin，AccessAssistant，and IMS Configuration Utility

    B、AccessStudio，AccessAdmin，AccessAssistant，and IMS Configuration Utility

    C、AccessManager Console，AccessAdmin，AccessAssistant，and IMS Configuration Utility

    D、AccessEnabler，AccessStudio，AccessAdmin，AccessAssistant，and IMS Configuration Utility

  • The operator needs to change the /test filesystem in the testvg volume group so that it mounts automatically following a system reboot. Which of the following commands is correct?（）

    A、chvg -a y testvg

    B、chfs -A yes /test

    C、mount /test -auto=yes

    D、chlv -a automount=y testlv

  • 下面不能作為軟件設(shè)計工具的是（　　）。

    A、PAD圖

    B、程序流程圖

    C、數(shù)據(jù)流程圖（DFD圖）

    D、總體結(jié)構(gòu)圖

  • Which?test?checks?the?transmitter?and?receiver?of?a?local?modem？（）

    A、data parity

    B、analog loop back

    C、local digital loop back

    D、remote digital loop back