因特網中的所有主機，無論它們是屬於LAN（局域網）、 MAN （城域網）還是WAN （廣域網），均具有同等地位；它們在進行數據通信和資源***享時具有等位性。
14 multimedia is the combination of sound, graphices, animation, video and text.
多媒體是壹種綜合聲音、圖像、動畫、視頻和文本的媒體表現形式。
15 sever: a server is a special computer on a network that provides controls services for other computers(clients) on a net work to use, simply stated, a server provides service.
服務器：服務器是網絡中的特殊計算機，它為其它就是提供服務的機器。
16 based on the destination address and origin, routers can even "listen" to the entire network to determine which section are busiest, then select the best path to route a message.
以目標地址與源地址為基礎，路由器甚至可以“偵聽”到整個網絡，從而判斷哪個網段最為繁忙，然後從各網段中選擇最佳路徑將信息轉發出去。
17 transmission control protocol(TCP) supports the network at the transport layer.
傳輸控制協議(TCP)支持網絡傳輸層的通信。
18 data: data are acollection of facts made up of numbers,characters and symbols, stored on a computer in such a way that the computer can process it,
數據：數據以可以被計算機處理的方式存儲於計算機上，是各種數字、字符和符號組成的信息集。
19 A datebase is similar to a date file in that it is a storage place for date, like a date file, a datebase does not present information directly to a user, the user runs on application that accesses date form the datebase and presents it to the user in an understandable format.
數據庫類似於數據文件，因為它也可以用來存放數據。
數據庫不直接將信息呈現在用戶面前，用戶需用運行特定應用程序，從數據庫中讀取數據，數據庫中的數據以用戶可識別的形式顯示。
20 microsoft certified system engineers(MCSES) analyze business requirements to design and implement an in frastructure solution based on the windows platform and microsoft servers software.
微軟認證系統工程師(MCSES)的職能為：分析業務需求，並設計和實現基於Windows平臺和微軟服務器軟件的基礎設施解決方案。