【单选题】
下列对于车道收费系统数据完整性描述不正确的是 。___
A. 车道计算机因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，不会造成数据丢失
B. 车道计算机系统在数据读写过程中因系统崩溃或电源故障重新启动时，不会造成数据丢失
C. 数据备份后，重新启动车道计算机不会造成数据丢失
D. 车道计算机网络中断不会造成数据丢失
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相关试题
【单选题】
收费站车道收费软件升级的正确流程为 。___
A. 所有车道同时执行上下班操作
B. 先对ETC车道执行上下班操作，再对MTC车道执行上下班操作
C. 先对入口车道执行上下班操作，再对出口车道执行上下班操作
D. 先对一条车道执行上下班操作，升级后确认车道软件正常运行，再对其余车道逐一执行上下班操作
【单选题】
过车后因线圈故障或放行后车辆倒车造成自动栏杆机无法自动落杆，可通过按 键强制落杆。___
A. 系统维护
B. 违章
C. 模拟线圈
D. Enter
【单选题】
当出口车道收费员发现车辆 不符时，应执行变档操作。___
A. 实际车型与入口判定车型
B. 实际车种与入口判定车种
C. 实际车型、车种与入口判定车型、车种
D. 实际车牌与入口判定车牌
【单选题】
下列关于身份卡的描述正确的是 。___
A. 采用河南省路网唯一编码存储工作人员身份信息用于身份鉴别的非接触式IC卡
B. 所有工作人员都必须办理身份卡
C. 根据工作需要，一张身份卡可以同时拥有两种以上权限
D. 收费员调至路段内其他收费站工作时，需重新办理身份卡
【单选题】
机电维护员注册登记身份卡时应选择 权限。___
A. 管理员
B. 监控员
C. 维护员
D. 管理员和维护员
【单选题】
下列哪个工作岗位的身份卡可以申请两个权限。___
A. 收费员
B. 收费班长
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【单选题】
作为高速公路机电工程的重要部分，是完成收取车辆通行费的关键设施。___
A. 通信系统
B. 收费系统
C. 监控系统
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【单选题】
电流通过人体最危险的途径是 。___
A. 左手至脚
B. 右手至脚
C. 左手至右手
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【单选题】
EIA/TIA的布线标准中规定，UTP网线RJ45水晶头标准568B制作的线序为 。___
A. 白橙、橙、白绿、兰、白兰、绿、白棕、棕
B. 白橙、橙、白绿、绿、白兰、兰、白棕、棕
C. 白兰、兰、白橙、橙、白绿、绿、白棕、棕
D. 白兰、兰、白绿、绿、白橙、橙、白棕、棕
【单选题】
10BASE-T网路中，BASE代表的意义是 。___
A. 信号传输速率
B. 双绞线传输介质
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D. 厂家厂商
【单选题】
目前使用的 UPS 蓄电池主要是免维护密封式铅酸蓄电池。因电池故障而导致 UPS 不能正常工作的比例达30%以上。因此，正确使用及维护好蓄电池至关重要。每 个月检查一次蓄电池组中各电池的端电压和内阻，若单个电池的端电压低于其最低临界电压或电池内阻大于 时，应及时更换或进行均衡充电。___
A. 4~6，60 mΩ
B. 4~6 , 80 mΩ
C. 6~8 , 60 mΩ
D. 6~8 , 80 mΩ
【单选题】
客车 ETC 使用率是指客车ETC交易笔数占 的比例。___
A. ETC客货总交易量
B. MTC客车总交易量
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【单选题】
外场摄像机必须布设的位置有____。___
A. 互通立交
B. 服务区
C. 停车区
D. 以上全是
【单选题】
目前我省高速公路传输采用____光纤数字传输系统。___
A. SDH
B. PDH
C. ATM
D. OTN
【单选题】
隧道超高检测器宜设置在隧道入口前____以外。___
A. 100m
B. 150m
C. 200m
D. 250m
【单选题】
隧道车行横洞车道指示器应能显示____。___
A. “→”
B. “↑”
C. “↓”
D. “←”
【单选题】
隧道内一氧化碳/能见度检测器不宜在距射流风机____内布设。___
A. 20m
B. 30m
C. 40m
D. 50m
【单选题】
隧道内点型火灾监测器宜以____间距连续布设。___
A. 30m
B. 40m
C. 50m
D. 60m
【单选题】
高速公路路段设计时速为120Km/h，当路段检测车速为多少时即被认定为中度拥堵？___
A. 30Km/h≤V＜50Km/h
B. 50Km/h≤V＜70Km/h
C. 40Km/h≤V＜60Km/h
D. 60Km/h≤V＜80Km/h
【单选题】
根据《公路网运行监测与服务暂行技术要求》，基础设施运行状态参数从省级路网平台获取，应每____小时以内更新一次。___
【单选题】
根据《公路网运行监测与服务暂行技术要求》，大型桥梁应设置视频监测设施，宜小于____间距设置视频监测设施。___
A. 500m
B. 1km
C. 2km
D. 5km
【单选题】
根据《公路网运行监测与服务暂行技术要求》，监测数据预测预警提示功能应提供____小时以内的服务，重大气象、地质灾害预警应提供____小时以内服务。___
A. 48，24
B. 24，18
C. 18，12
D. 12，6
【单选题】
根据《公路网运行监测与服务暂行技术要求》，断面交通量和车辆速度应全天候检测，其精度应不低于____%；应每隔____分钟以内上传一次数据。___
A. 98，30
B. 95，20
C. 90，10
D. 85，5
【单选题】
高速公路一般隧道内第一个车辆检测器距离洞口不小于___米。___
A. 20
B. 50
C. 100
D. 200
【单选题】
隧道内紧急电话分机设置间距不宜大于____。___
A. 50m
B. 200m
C. 300m
D. 100m
【单选题】
交通信号灯应显示清晰，有效显示直径不应小于______，动态视认距离不应小于______。___
A. 50mm、100m
B. 100mm、200m
C. 200m、300mm
D. 300mm、200m
【单选题】
隧道入、出口内_____处应设置车道控制标志。___
A. 2~5m
B. 3~7m
C. 7~10m
D. 10~12m
【单选题】
点型火灾检测器宜安装在隧道外侧壁，安装高度_____？___
A. 1-2m
B. 1.3-1.5m
C. 1.5-2m
D. 2-3m
【单选题】
高速公路LED可变限速标志产品的视认角不小于____，动态视认距离应不小于____m。___
A. 15 200
B. 30 200
C. 15 210
D. 30 210
【单选题】
监控分中心闭路电视系统视频存储应配置保存不少于_____天的视频存储容量 ？___
【单选题】
隧道内火灾检测器检测响应时间应小于等于_____。___
A. 30s
B. 40s
C. 50s
D. 60s
【单选题】
监控中心电视墙与控制台之间应该保持一定的距离，最短距离不能小于______。___
【单选题】
车辆检测器的检测的交通量准确度应大于或等于_____。___
A. 75%
B. 80%
C. 85%
D. 90%
【单选题】
高速公路隧道监控应主要根据其长度和交通量两个因素划分为_____个等级。___
【单选题】
隧道管理站应向上级管理部门上传至少_____路视频。___
【单选题】
联网监控系统软件的开发，软件中的注释代码量应不少于总代码量的_____。___
A. 5%
B. 10%
C. 15%
D. 20%
【单选题】
LED可变情报板在正常天气下，静态视认距离应不小于_____米。___
A. 150
B. 200
C. 250
D. 300
【单选题】
可变信息板在交通事故多发路段、地质灾害易发路段、气象条件恶劣区段、交通量特别大的区段的设置间距宜为____。 ___
A. 1-2km
B. 5-10km
C. 10-15km
D. 15-20km
【单选题】
沿线监控外场设备中车辆检测器在易拥堵、易发生重特大突发事件、恶劣气象条件频发等路段应按照小于____距离设置。___
A. 1km
B. 2km
C. 3km
D. 4km
【单选题】
根据《公路网运行监测与服务暂行技术要求》规定，3000m及以上长度隧道须设置视频监测设施，其设置距离宜在____之间？___
A. 50-100m
B. 150-200m
C. 120-150m
D. 100-150m
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Science can now ___ many things which were thought to be mysterious by ancient people.
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___ the world has ever seen has occurred in the information and communications technologies.
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___ so many people around, it wasn’t convenient to have a long talk with him.
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If a person simply does not care about this activity, it’s ___ impossible to get him to participate.
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Jeffery expressed his ___ about the health and fitness of his co-workers, but they said they didn’t want to “waste time” on an exercise bike or jogging.
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Such chemicals are indeed negatively ___ those humans to whom they are expose D.
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We regret for selling you the faulty product, and our company has agreed to ___ you by $500.
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