2015年中央电大计算机网络（网络管理）《网站美工设计基础》形成性考核答案

职业技能实训一计算机网络（网络管理）网站美工设计基础形成性考核答案1多选题对空调系统运行状况的检查项目有。2多选题在综合布线系统中，信息插座可采用。3多选题空调器压缩机运转时振动和噪声过大，可能的原因有。4多选题计算机网常用通信线缆包括。5多选题快速以太网标准主要包括。6多选题LOBASET以太网组网原则包括。7多选题LOBASET以太网的硬件包括。8多选题10MBPS以太网主要包括标准。9多选题LOOBASETX的组网原则包括。10多选题LOOBASETX的硬件包括。11多选题设置服务器的硬盘时，需要考虑的因素有几个方面。12多选题ATM的虚连接有两种类型。13多选题PPP协议由三个部分组成。14多选题RS232C接口技术指标包括。15多选题目前数据网络服务主要有。16多选题交换机的交换模式有。17多选题ISDN基本速率接口BRI提供。18多选题数字数据网DDN由组成。19多选题交换机接口存在几种不同状态。20多选题数据传输加密可以在通信的三个不同层次来实现。21多选题交换机的性能指标有。22多选题局域网交换机最主要的指标是。23多选题从广义上分，交换机可以分成两种。24多选题交换机一般分为。25单选题为网络用户提供文件管理，它提供了操作系统中文件系统的各种功能，包括对目录和文件的操作以及对网络文件系统的控制与管理等。26单选题任何一个以数字127开头的IP地址都叫做。27单选题D类IP地址是。28单选题32位全为1的IP地址即255255255255被称为。29单选题子网地址为162105130O，子网掩码为2552552550的网络上，该网络的广播地址为。30单选题IP地址中，所有主机号部分为“1”的地址是_。31单选题将B类IP地址16819500划分成27个子网，则子网掩码为。32单选题一个主机号部分的所有位都为“0”的地址是代表该网络本身的，叫做。网络地址33单选题IP地址为“19216811”对应的子网掩码为。34单选题IP地址在192000223255255255范围内的是。C类35单选题IP地址中A、B、C三类地址统称为。36单选题综合布线系统是美国电报电话公司ATT在推出的。198537单选题中国综合布线的行业标准在颁布。199738单选题现阶段的计算机属于。39单选题世界上第一台电子计算机被命名为。40单选题世界上第一台电子计算机诞生于年。194641单选题普通计算机的连续工作时间应当限定在以内。42单选题计算机房内设置火灾自动灭火设施的区域，其隔墙和门的耐火极限不应低于。43单选题从事新闻、出版以及电子公告等服务项目的互联网信息服务提供者，应当记录信息提供的信息及其发布时间、互联网地址或者域名，并将备份保存日。44单选题是工作在网络层上、实现子网之间转发数据的设备。45单选题技术是在OSI参考模型第一层的基础上完成，具有灵活性和负载平衡能力等优点。46单选题又称为交换式集线器，工作在OSI参考模型的第二层数据链路层。47单选题是指连接的距离超过网络的常规范围时使用的网桥。48单选题是指在传输介质允许长度范围内互联网络的网桥。49单选题的特点是由网桥根据每个节点在互联网络中的特定地址来确定网络传输路径。50单选题是两个局域网间建立连接的桥梁。51单选题6个8口集线器级连在一起时，可以看作是一个口的集线器。4852单选题在系统中，所有连接的节点共享一个最大的带宽。53单选题具有重新生成信号和过滤的功效，能分辨所需要的数据并发送到目的地。54单选题即通常所说的HUB，基于星状拓扑结构，一般位于网络传输介质的中央节点。55单选题采用CSMACD介质访问方式，当发生冲突时56单选题联通CDMA就是的一种方式。57单选题线路上无信号表示0；正或负脉冲表示1，前后脉冲必须在极性上交替。58单选题是指信道在单位时间内可以传输的最大信号量。59单选题是指可以不失真地传输信号的频率范围，通常被称为信道的通频带。60单选题方式中每个字符都独立传输，接收设备每收到一个字符的开始位后进行同步。61单选题指接收端按照发送端的每个码元的起止时间及重复频率来接收数据，并且要校准自己的时钟，以便与发送端的发送取得一致，实现数据接收。62判断题EMAIL服务器是用来存放所发送和接收的电子邮件的。对63判断题WWW的应用是客户机客户机模式。错64判断题WWW中的信息资源主要由一个个的网页为基本元素构成。对65判断题UDP协议可以为网络协议上层应用提供低开销的、不可靠的、无连接的服务。对66判断题IPX/SPX协议是IBM公司开发的通信协议。错67判断题市电直接供电方式易受电网波动的影响。对68判断题市电直接供电送至机房配电柜后直接分送到各个计算机终端和网络的其他设备，这种方式实现较为复杂。错69判断题帧中继是一种分组交换技术网络，它是将信息数据以帧的形式进行封装，并以帧为基础进行交换、传输、处理的数据业务。对70判断题无论交换机采用DB9或DB25串行接口还是采用RJ4S接口，都需要通过专门的CONSOLE线连接至配置用计算机的串行口。对71判断题磁盘一旦分区后，其分区格式便无法再更改。错72判断题应用磁盘工具可将两个较小的磁盘分区合并为一个较大的分区。对73判断题IEEE1394主要应用于高速数据传输的外围设备同主机之间的连接。对74判断题串行传送在短距离内的传输速度要比并行传送快。错75判断题串行传送适合于长距离数据传输。对76判断题磁盘阵列的热备用技术是在两块独立的磁盘上同时记录相同的数据。77判断题磁盘阵列的数据传输速率与磁盘的数量是成反比的。错78判断题磁盘阵列技术是将几个磁盘视为单一的磁盘，用户不必规划数据在各磁盘的分布。对79判断题简单的说，磁盘阵列技术就是在一台计算机内安装多块硬盘的技术。80判断题硬盘的内部传输速率要高于外部传输速率。错81判断题SCSI接口主要应用于服务器和高端计算机领域中。对82判断题串行ATA次可以传输多位二进制数据。错83判断题硬盘的IDE接口使用DMA方式进行数据传输，必须依赖CPU的指令运行。错84判断题CF卡、SM卡中的数据必须通过专门的读卡器才能与计算机进行数据通信。对85判断题磁带采用顺序且连续的存储方式。对86判断题导静电地面、活动地板、工作台面和坐椅垫套必须进行静电接地。对87判断题由于主机房内采用的活动地板可由钢、铝或其他阻燃性材料制成，所以，允许金属部分暴露在地板表面。错88判断题设备或驱动程序没有WHQL认证就不能在WINDOWS系统下正常运行。错89判断题机房内的各类熔丝可以使用铜、铁、铝线代替。错90判断题电子计算机中心应设置在常年下风方向的地方。错91判断题火灾自动报警装置是将燃烧产生的烟雾、热量和光辐射等物理量，通过感温、感烟和感光等火灾探测器变成电信号，发出警报的。对92判断题在使用灭火器之前，要先去除铅封和保险销。对93判断题在使用泡沫式灭火器时，需要将灭火器倒置过来喷射。对94判断题灭火的原理就是破坏燃烧的条件，使燃烧反应终止的过程。其基本原理可归纳为冷却、窒息、隔离和化学抑制等。对95判断题电器超长时间运行，导致发热或产生故障不会引起火灾。错请您删除一下内容，O_O谢谢2015年中央电大期末复习考试小抄大全，电大期末考试必备小抄，电大考试必过小抄MANYPEOPLEHAVETHESAMEMIXEDFEELINGSWHENPLANNINGATRIPDURINGGOLDENWEEKWITHHEAPSOFTIME,THESEVENDAYCHINESE请您删除一下内容，O_O谢谢NATIONALDAYHOLIDAYCOULDBETHEBESTOCCASIONTOENJOYADESTINATIONHOWEVER,ITCANALSOBETHEEASIESTWAYTORUINHOWYOUFEELABOUTAPLACEANDYOUMAYBECOMEMOREFATIGUEDAFTERTHEHOLIDAY,DUETOBATTLINGTHELARGECROWDSDURINGPEAKSEASON,ADREAMABOUTAPLACECANTURNTONIGHTMAREWITHOUTCAREFULPLANNING,ESPECIALLYIFYOUTRAVELWITHCHILDRENANDOLDERPEOPLEASMOSTCHINESEPEOPLEWILLTAKETHEHOLIDAYTOVISITDOMESTICTOURISTDESTINATIONS,CROWDSANDBUSYTRAFFICAREINEVITABLEATMOSTPLACESALSOTOBEEXPECTEDAREINCREASINGTRANSPORTANDACCOMMODATIONPRICES,WITHTHEPOSSIBILITYTHATTHEREWILLBENOROOMSAVAILABLEITISALSOCOMMONTHATYOULLWAITINTHELINEFORONEHOURTOGETATICKET,ANDANOTHERTWOHOURSATTHESITE,TOONLYSEEATINYBITOFTHEPLACEDUETOTHECROWDSLASTYEAR,428MILLIONTOURISTSTRAVELEDINCHINAOVERTHEWEEKLONGHOLIDAYINOCTOBERTRAVELINGDURINGTHISPERIODISAMATTERTHATNEEDSTHOROUGHPREPARATIONIFYOUARESHORTONTIMETOPLANTHEUPCOMING“GOLDENWEEK“ITMAYNOTBEABADIDEATOAVOIDSOMEOFTHEMOSTCROWDEDPLACESFORNOWTHEREISALWAYSAPLACESOFASCINATINGTHATEVERYONEYEARNSFORARXANISAPLACELIKETHISTHEBEAUTYOFARXANISEVERLASTINGREGARDLESSOFTHECHANGINGOFFOURSEASONSBESTOWEDBYNATURE,ITSSPECTACULARSEASONALLANDSCAPEANDMOUNTAINSAREJUSTBEYONDWORDARXANISACRUCIALDESTINATIONFORTHERECOMMENDEDTRAVELLINGROUTE,“CHINAINNERMONGOLIAARXANHAILARMANZHOULI“ITISALSOTHEJOINTOFTHEFOURPRAIRIESACROSSTHESINOMONGOLIANBORDER,WHEREPEOPLEGRAVITATETOWARDSTHEEXOTICATMOSPHEREMIXEDWITHCHINESE,RUSSIAN,ANDMONGOLIAELEMENTSASAHISTORICSITEFORTHEYITIANBATTLE,ARXANSTILLEMBODIESTHESPIRITOFGENGHISKHANWALKINGINTOARXAN,YOUWILLBEAMAZEDBYAKALEIDOSCOPEOFGORGEOUSCOLORSALLTHEYEARROUNDTHESPRINGAZALEASBLOOMINGREDINTHESNOW,THESUMMERSEAWAVERINGBLUEINTHEBREEZE,THEAUTUMNLEAVESPAINTEDINYELLOWCOVERINGVOLCANICTRACES,ANDTHEWINTERWOODSSHININGWHITEONTHEVASTALPINESNOWSCAPEHINGGANLEAGUEARXANCITYISSITUATEDINTHEFAREASTERNAREAOFINNERMONGOLIAAUTONOMOUSREGIONITSFULLNAME“HARENARXAN“MEANS“HOTHOLYWATER“INTHEMONGOLIANLANGUAGEARXANISATOURISMCITYINTHEN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