相关试题
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沿线监控外场设备中车辆检测器设备应满足交通量准确度（分大、小车辆类别）大于或等于80%的要求。
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沿线监控外场设备中视频设备的通用布设原则中易拥堵、易发生重特大事件、恶劣气象条件频发等路段应按照小于3km间距设置摄像机。
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国家干线公路网日常协调与调度指令上传下达应实时获取，系统综合响应时间应小于6分钟。
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网络运营者应当制定网络安全事件应急预案，及时处置系统漏洞、计算机病毒、网络攻击、网络侵入等安全风险;在发生危害网络安全的事件时，立即启动应急预案，采取相应的补救措施，并按照规定向有关主管部门报告。
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网络运营者应当为公安机关、国家安全机关依法维护国家安全和侦查犯罪的活动提供技术支持和协助。
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在信息系统尚未建设完成之前，无法确定信息安全策略。
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在信息安全等级保护政策中，等级测评工作是指等级测评机构依据国家信息安全等级保护制度规定，按照有关管理规范和技术标准，对涉及国家秘密信息系统安全等级保护状况进行检测评估的活动。
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信息安全等级保护《基本要求》，第二级信息系统要求：机房出入口应安排专人值守，控制、鉴别和记录进入的人员。
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防火墙是指设置在不同网络或网络安全域（公共网和企业内部网）之间的一系列部件的组合。
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安全专家在对某网站进行安全部署时,调整了Apache的运行权限,从root权限降低为nobody用户的主要目的是为了提高Apache软件运行效率。
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在安装MS SQL Server时，必须选择一种安全类型。如果在登录时，不需要记录用户名和登录ID，则该安全模式是Windows认证模式。
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蠕虫病毒的主程序中含有传播模块，传播模块的入侵可以分为扫描、攻击和复制三个步骤，以实现蠕虫病毒的主动入侵。
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有一类IDS系统将所观察到的活动同认为正常的活动进行比较并识别重要的偏差来发现入侵事件，这种机制称作异常检测。
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软件的安全问题是由程序开发者遗留的，和软件部署运行环境无关。
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安全套接层协议（SSL）是设计用来保护操作系统的。
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30位掩码网段的反掩码255.255.255.252。
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高速公路GIS数据库需要不断的精简信息，以提升GIS系统的流畅性。
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BIM技术能够对大型桥梁、长大隧道等重要设施的全寿命周期的可视化管理提供重要帮助。
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虚拟化技术的主要目的是对IT基础设施进行简化。
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云计算的五个基本特征是按需自助服务（On-demand self-service）、广阔的互联网访问（Broad network access）、快速伸缩（Rapid elasticity.）、.资源池（Resource pooling）和可度量的服务（Measured service）。
【判断题】
云计算中IaaS的中文理解为“平台即服务”。
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一般而言，分布式数据库是指物理上分散在不同地点，但在逻辑上是统一的数据库。因此分布式数据库具有物理上的独立性、逻辑上的一体性、性能上的可扩展性等特点。
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高速公路视频监控系统中，路网监控应急指挥中心以远程连接的方式接入省中心平台，可直接调用系统内监控资源。
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收费站报警录像功能指用于报警时显示报警图像的显示器具有报警显示功能，值班员通过键盘控制切换控制器切换该路报警视频信号进行录像，或自动进行切换。
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出口车道联网入网测试实测项目主要是电动栏杆起落时间、车辆检测器计数精度。
【判断题】
站级收费系统是一个小的独立中心，当与上级通信故障或上级计算机出现故障时，应能全部代替上级计算机的功能。
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数据完整性测试是指系统崩溃或电源故障，重新启动时，系统能自动引导至正常工作状态，不丢失任何历史数据。
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电缆直埋时，电缆的上、下部位应铺设不小于100mm厚的软土或砂层，并加盖板保护，盖板覆盖宽度应超过电缆两侧60mm，保护板可采用混凝土盖板或砖块。
【判断题】
柴油发电机的排烟管穿过墙壁时，应配置保护套，伸出室外端管口应加防雨帽；排烟管壁厚应不小于2mm。
【判断题】
箱式变电站吊装时应将钢丝绳固定在箱体四角的吊耳位置，且钢丝绳与垂线之间的夹角不得大于30°
【判断题】
公路网运行监测与服务系统的传输网络应采用“公专结合”的方式进行组网和联网。
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数据库访问权限的设置应由部、省两级路网平台统一处理，限制网络中的直接访问。
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日常巡查可采用人工与信息化手段相结合的方式。发现异常情况时，应予以报告，并做好记录，必要时应进行拍照和摄像。
【判断题】
机电设施清洁维护应保持设备外观干净、整洁、无污垢，并保证机电设施完好。
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在进行定期检修和专项工程后，应对隧道通风设施的效率进行全面测试，通风设施经检修后其通风能力应满足设计要求。
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路侧可变情报板净空高速应该不低于4.5m。
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通信机房内当浪涌保护器具有能量自动配合功能时，浪涌保护器之间的线路长度不受限制。
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根据《高速公路通信技术要求》含有金属元件的光缆，每一光缆段长内所有金属组件应保持电气导通。
推荐试题
【判断题】
现金流量表的分析填列法是直接根据资产负债表、利润表和有关会计科目明细账的记录分析计算出现金流量表各个项目的金额，据此编制现金流量表的方法
【判断题】
为了清晰反映构成所有者权益各组成部分当期的增减变动情况，所有者权益变动表采用矩阵形式列示
【判断题】
销售净利率是20%，资产周转率是1次，权益乘数是2，则净资产收益率是40%
【判断题】
一般认为，资本保值率越高，表明企业的资本保全状况越好，所有者权益增长越快，债权人的债务越有保障
【判断题】
如果企业的负债资金的利息率低于其资产报酬率，则提高资产负债率可以增加所有者权益报酬率
【判断题】
杜邦分析体系是利用各主要财务比率之间的内在联系，综合分析企业财务状况的方法。建立财务分析指标体系
【判断题】
沃尔比重评分法是将选定的财务比率用线性关系联系起来，并分别给定各自的分数比重，然后通过与标准比重进行比较，确定各项指标的得分及总体指标的累积分数，从而对企业的信用水平做出评价的方法
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1 In our class,most discussions and activities take place in assigned small groups,These groups provide a supportive and safe environment that （） learning
【填空题】
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9 As the finance ministry rejected the defor its "lack of clarity",it[ ]complaint with the Europear Commission that this deal was against the law
【填空题】
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5 State governments and the colleges themselves have [ ] financial help to students with special abilities and those with financial needs
【填空题】
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10 Dogs cannot distinguish the color of trafficlights, so the master must make the decision of when it is safe to [ ] across the road
【填空题】
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6 The committee agreed that his papers
[ ] a wider circulation because of their essential and fundamental interest to a larger audience.
【填空题】
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1 Because women often restrict their diet
In an effort to control weight,they may
Not consume enough iron-rich food and
( ) experience an iron Deficiency.
【填空题】
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8 Americans defend the right to obtain a gun and they have[ ] been willing to turn a blind eye to the harm that people owning guns have caused
【填空题】
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7 The anger and frustration [ ] by the local people who do not understand what is happening to them will be a terrible and dangerous force
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2 Some reform advocates ignore the impact of
Class size on student achievement,and they
are ( ) what they call as a Priority:teacher effectiveness.
【填空题】
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3 Because of easy access to the Internet,the
New breakthrough tq create something
Truly creative ( ) happen anytime now.
【填空题】
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4 Indeed,if teachers want to( ) how far students might get in life, a better measurement than grades might be how hard the students try.
【填空题】
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5 Nature has( ) these animals ( ) a capacity for not showing Fear.
【填空题】
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6 During the weeks of discussion,delegations
from groups who are interested in the
Resolution may call on representatives to
( ) their point of view.
【填空题】
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7 Plato was a superb writer,and his works are
Part of the world’s great literature.Most of
His existing work is ( )Dialogs and letters.
【填空题】
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8 Young people should enter into a broad
Flexible training program,through which
They can learn a lot and be ( ) their future careers.
【填空题】
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9 The young man is very happy and proud to
be ( ) the old professor because he always feeIs great when talking With him.
【填空题】
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10 One day they passed more than 20 villages ( ),and some of these are Said to have stretched for six miles or more.
【填空题】
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7 Being asingle parent,there is no way for her
to ( ) the time and energy she has
devoted to her children for the past 10 years.
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8 It is essential that you start by listening because one of the main ( ) teenagers and their parents face in forming positive relationships is that neither listens to the other.
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9 We all know the dangers of an earthquake: the ( ) to buildings,the troubles can be caused by falling trees,and the terror occurs when the earth actually opens uip.
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10 Not until recently have we realized that the increasing world population may lead to a potential gloomy ( ) for humanity starvation.
【填空题】
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2 It is the development strategy/of the company to ( ) its overseas expansion in order to take a slice of the world market
【填空题】
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3 Nearly six million people go to see the Mona
Lisa every year,attracted by the ( )of her smile.When you're not lodking at her, she seems to be smiling;when you look at her,she stops.
【填空题】
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4 To live with a family whose native language is English is the ideal way to further improve one's English and to gain ( )into its culture.
【填空题】
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5 There is a real need to ( ) academic
achievement in schools and help with the
development of a student's overall character.
【填空题】
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6 Einstein said his scientific discoveries grew
from his imagination rather than from( ),
reason and language.
【填空题】
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1 When the police caught up with him, Mr.Foster had to [ ] that he'd broken the speed limit.
【填空题】
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2 Whenever my boss makes a decision that I don't agree with, I tell him what I really think, though it's [ ] to make him happy by telling him his ideas are always right
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3 As can be probably perceived, a manned tip to Mars may soon[ ] since scientists have achieved the manned moon mlssion
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4 A number of countries are [ ]their efforts to send out food to the area worst affected by the flood.
