2010年軟考網(wǎng)絡(luò)工程師考前經(jīng)典練習(xí)試題(21)

　　83、在NetWare網(wǎng)絡(luò)中，客戶需要訪問某個類型的服務(wù)器時，首先要發(fā)送一個(2)廣播報文來尋找服務(wù)器。

　　(2)A Rip

　　B Sap

　　C Gns

　　D arp

　　83、Flow control is a function that prevents network congestion by ensuring that(1)do not overwhelm (2)with data.There are there commonly used methods for handling network congestion. (3)is used by metwork devices to temporarily syore bursts of excess data in memory until they can be processed(4)are used by receiVing devicest. help preVenttheir buffers from overflowing.(5)is a floe-contro scheme in which che source device requires an acknowledgment from the destination after acertain number of packers have been transmitted

　　(1~2)A transmitting devices

　　B transmitted devices

　　C receiving devices

　　D received devices

　　(3~5)A Buffer

　　B Source-quench messages

　　C Buffering

　　D Windowing

　　84、The purpose of the requirements definition phase is to produce a clear, complete.consitent,and testable(1)of the technical requirements, for the software produet.During the requirements definition phase,the requirements deftnifion team uses an iterative process to espand a broad statement of the system requirements into a complete and detailed specificationof each function that the software must perform and each(2)that it must meet. The starting point is ususlly a set of hing-leval requirements from the(3)that describe the project or problem.Ineither the either case,the requirements definition team formulates an overall concept for the system and thedefines(4)showing how the system will be operated, publishes the system and operation concept documents,and conducts asystem concept review(SCR).Following the SCR,the team derives(5)requirements for the system from the highlevel requirements and the systern operations concept.Using structured or object-oriented analysis,the team specifies the software functions and algorithms needed to satisfy

　　(1)A function

　　B definition

　　C specification

　　D statement

　　(2)A ctiterion

　　B standard

　　C model

　　D system

　　(3)A Pmdueer

　　B customer

　　c programmer

　　D analyser

　　(4)A rules

　　B principles

　　C scenarios

　　D sxenes

　　(5)A detailed

　　B outlined

　　C total

　　D complete

　　　　　　　2010年11月計算機軟件水平考試備考寶典匯總