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【多选题】
下列关于道岔尖轨检修说法正确的是___?
A. 检修道岔尖轨,需与通号专业人员共同进行
B. 检修道岔尖轨时,需放入安全木,防止挤伤手脚
C. 道岔属于轨道结构,检修时,不需要其他专业配合
D. 检修道岔尖轨时,需要设置红闪灯
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答案
ABD
解析
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相关试题
【多选题】
下列关于施工安全,说法正确的是___?
A. 检修施工前,需在检修区域两端设置红闪灯
B. 施工前,需要进行请点
C. 施工过程中吗,需携带手持台,保持通话畅通
D. 车站值班员比较忙,先作业完毕以后,再走请销点流程也无所谓
【多选题】
下列关于施工负责人证说法正确的___?
A. 施工负责人证需通过相应考试才能获得
B. 施工负责人证丢失需及时上报有关部门
C. 施工负责人系统可以查到就可以,不需要携带纸质证件请点
D. 工作证可以证明是公司员工,所以不需要考取施工负责人证就可以请点
【多选题】
下列工具中,属于捣鼓作业需要携带的有___?
A. 内燃液压捣固机
B. 配比壶
C. 拨道器
D. 三齿耙
【多选题】
正线发生断轨时,需要携带的抢修工具有___?
A. 急救器
B. 锯轨机
C. 钻孔机
D. 捣固机
【多选题】
钢轨伤损分为哪几类?___
A. 微伤
B. 轻伤
C. 中伤
D. 重伤
E. 折断
【多选题】
温度应力式无缝线路,一般由哪几部分构成?___
A. 过渡区
B. 固定区
C. 伸缩区
D. 伸长区
E. 缓冲区
【多选题】
线路标志包括那些?___
A. 公里标
B. 曲线标
C. 圆曲线和缓和曲线始终点标
D. 坡度标
E. 警冲标
【多选题】
下列___选项是轨检车对轨道线路局部不平顺(峰值管理)检查评定项目?
A. 轨向
B. 三角坑
C. 垂直振动加速度
D. 横向振动加速度
E. 轨道波磨数据
【多选题】
道岔检修中可能出现___步骤?
A. 起道作业
B. 落道作业
C. 测量导曲线正矢
D. 整改接头错牙
E. 更换辙叉
【多选题】
道岔区域作业红闪灯应放置于?___
A. 导曲中
B. 岔前
C. 直股辙叉后
D. 尖轨跟
E. 曲股辙叉后
【多选题】
钢轨接头零件有___?
A. 接头夹板
B. 接头螺栓
C. 螺母
D. 垫圈
E. 顶铁
【多选题】
接头联接零件的功能有___?
A. 用接头夹板和接头螺栓把两根钢轨连接起来
B. 保持两根钢轨的轨距
C. 减小列车与钢轨的摩擦力
D. 使钢轨接头部位也具有承受弯矩和横向力的能力
E. 利用夹板和钢轨之间摩擦阻力限制钢轨伸缩,控制轨缝值
【多选题】
捣固作业之后恢复道床有___要求?
A. 作业之后要及时回填、夯拍,以恢复道床阻力
B. 道床石砟肩保持高出轨枕10mm
C. 道床饱满、坚实、均匀、整齐,无杂草,边坡一致,碴肩符合要求
D. 清出的污土、杂草必须清理干净,路肩无乱石
E. 道床顶面应低于轨枕顶面20~30mm
【多选题】
钢轨的伤损有___?
A. 弯曲
B. 磨损
C. 掉块
D. 压溃
E. 变形
【多选题】
下列属于曲线控制点的有?___
A. 直缓点
B. 缓圆点
C. 圆缓点
D. 缓直点
E. 曲中点
【多选题】
无缝线路的优点有___?
A. 增加了行车的平稳性,改善了线路质量
B. 更方便进行换轨作业
C. 适合高速、重载线路的需要
D. 节省了接头材料,减缓了线路变形的累积,减少了维修工作量,降低了维修费用
E. 延长了线路设备和机车车辆的使用寿命
【多选题】
下列___属于混凝土轨枕(含混凝土短轨枕、混凝土岔枕)失效?
A. 挡肩破损,接近失去支撑能力(破损长度超过挡肩长度的1/2)
B. 严重掉块
C. 明显折断
D. 有轻微裂纹
E. 有轻微掉块
【多选题】
接头夹板伤损达到下列那种情况应及时更换?___
A. 折断
B. 中央裂纹(中间两螺栓孔范围内):正线及辅助线有裂纹;车辆段(场)线平直及异型夹板超过5mm,双头及鱼尾型夹板超过15mm
C. 其它部位裂纹发展到螺栓孔
D. 有小掉块
E. 锈蚀
【多选题】
杭州地铁线路现在有以下___轨距标准?
A. 1435mm
B. 1440mm
C. 1445mm
D. 1450mm
E. 1430mm
【多选题】
下列关于桥梁说法正确的是?___
A. 长度在20m及以下的桥梁称为小桥
B. 长度在20m以上至10Om的桥梁称为中桥
C. 长度在100m以上至500m的桥梁称为大桥
D. 长度在500m以上的桥梁称为特大桥
E. 长度在100m以上至500m的桥梁称为特大桥
【多选题】
下列属于劳动保护用品的是?___
A. 安全帽
B. 劳保鞋
C. 荧光衣
D. 手套
E. 护目镜
【多选题】
下列关于施工负责人说法正确的是?___
A. 施工负责人应提前确认好施工信息,做好施工准备
B. 施工负责人应与车站工作人员共同确认进站作业人数
C. 施工负责人有权终止有安全隐患的施工作业
D. 施工负责人应在施工结束后,确认人员工器具出清
E. 施工负责人是施工的主要负责人,行调及车站值班员应该听从施工负责人安排
【多选题】
杭州地铁轨道线路已有的设计轨距有?___
A. 1435mm
B. 1440mm
C. 1445mm
D. 1460mm
【多选题】
属于钢轨标记凸标的是___?
A. 厂标
B. 钢轨类型
C. 钢种代号
D. 制造日期
E. 炉罐号
【多选题】
整体道床的优越性有___?
A. 结构稳定
B. 几何尺寸变化小
C. 日常维修工作量小
D. 价格高
E. 外观整洁
【多选题】
短枕式整体道床有___优点?
A. 稳定、耐久
B. 结构比较简单
C. 造价较低
D. 施工容易
E. 进度较快
【多选题】
木枕有___优点?
A. 弹性好,可缓和和列车的冲击作用
B. 易加工,运输、铺设、养护维修方便
C. 与钢轨联结比较简单
D. 有较好的绝缘性能
E. 价格便宜
【多选题】
木枕有___缺点?
A. 易腐朽
B. 易开裂
C. 强度、弹性不完全一致
D. 易磨损
E. 易加工,运输、铺设、养护维修方便
【多选题】
钢轨断面有___?
A. 钢轨
B. 轨头
C. 轨腰
D. 轨底
E. 轨面
【多选题】
检修时应正确使用___个人劳动防护品?
A. 安全帽
B. 安全鞋
C. 反光背心
D. 手套
E. 道尺
【多选题】
下列宜采用无砟道床的是哪几种道床结构?___
A. 地下线
B. 高架线
C. 地面车站
D. 库内线
E. 地面线
【多选题】
轨检车对轨道线路局部不平顺检查评定项目有?___
A. 轨距、水平
B. 高低、轨向
C. 三角坑
D. 车体垂直振动加速度
E. 车体横向振动加速度
【多选题】
轨检车对轨道线路的评定等级有?___
A. Ⅰ级
B. Ⅱ级
C. Ⅲ级
D. Ⅳ级
E. Ⅴ级
【多选题】
轨道线路巡检人员应具备___条件?
A. 应经过考试合格,持有上岗证
B. 熟悉有关规章制度及线路业务知识和安全知识
C. 熟悉线岔情况,了解急救设备存放地点
D. 必须由工班长及以上人员带领作业
E. 有单独处理故障的能力
【多选题】
轨道线路巡检人员应执行___制度?
A. 班前必须充分休息,精神饱满,班前严禁饮酒
B. 上班前应按规定穿戴好防护服装及劳保用品
C. 上下班执行考勤制度,必须参加工班的分工,有条件经常参加工班的点名及学习活动
D. 执行当日巡检情况记录制度,对发现的问题和处理情况以及需继续处理的问题记入巡道检查记录簿
E. 对危及安全的设备隐患,必需汇报工长并记录
【多选题】
下列工器具中,需要加入液压油才能使用的___?
A. 史丹利发动机
B. 液压起道机
C. 轨距尺
D. 液压拨道器
【多选题】
以下选项中,属于轨检车对轨道线路检查评定项目的有___?
A. 轨距
B. 三角坑
C. 高低
D. 车体垂直振动
【多选题】
下列关于轨检车对线路偏差等级划分标准,说法正确的___?
A. 一共可以分为四个等级标准
B. Ⅰ级为保养标准
C. Ⅱ级为舒适度标准
D. IV级为临时补修标准
【多选题】
下列关于轨检车对线路偏差等级扣分标准,说法正确的___?
A. Ⅱ级舒适度标准,每处扣5分
B. Ⅲ级临时补修标准,每处扣100分
C. Ⅲ级限速标准,每处扣301分
D. Ⅳ级限速标准,每处扣301分
【多选题】
关于轨检车对每千米轨道线路动态评定标准,正确的___
A. 扣分总数在100分以内为优良
B. 扣分总数在50分以内为优良
C. 扣分总数在51~300分之间为合格
D. 扣分总数在300分以上为失格
推荐试题
【单选题】
How do you verify TaCACS+ connectivity to a device?___
A. You successfully log in to the device by using the local credentials
B. You connect via console port and receive the login prompt.
C. You connect to the device using SSH and receive the login prompt.
D. You successfully log in to the device by using ACS credentials
【单选题】
Which term best describes the concept of preventing the modification of data in transit and in storage?___
A. availability
B. confidentially
C. fidelity
D. integrity
【单选题】
Which loS command is used to define the authentication key for ntp?___
A. switch(config )#ntp authentication-key 1 mds Clcs
B. switch(config )#ntp authenticate
C. switch(config)#ntp trusted-key 1
D. switch(config)#ntp source 192.168.0.1
【单选题】
What is true about the cisco lOS Resilient Configuration feature ?___
A. The feature can be disabled through a remote session
B. There is additional space required to secure the primary cisco lOS image file.
C. The feature automatically detects image or configuration version mismatch.
D. Remote storage is used for securing files
【单选题】
When is the default deny all policy an exception in zone-based firewalls?___
A. when traffic terminates on the router via the self zone
B. when traffic traverses two interfaces in different zones
C. when traffic traverses two interfaces in the same zone
D. when traffic sources from the router via the self zone
【单选题】
.If an access port is assigned as an isolated port in a PVLAN, which network ports can it communicate with?___
A. promiscuous ports in the same PLVAN
B. isolated ports in the same PVLAN
C. all ports in the same PAVLAN at ILAR
D. all ports in the adjacent PVLAN
【单选题】
Which IPSEC mode is used to encypt traffic directly between a client and a server VPN endpoint?___
A. quick mode
B. transport mode
C. aggressive mode
D. tunnel mode
【单选题】
Which command do you enter to verify that a vpn connection is established between two endpoints and that the connection is passing traffic? ___
A. Firewall#sh crypto session
B. Firewall#debug crypto isakmp
C. Firewall#tsh crypto ipsec sa
D. Firewall#sh crypto isakmp sa
【单选题】
which type of Pvlan port allows communication from all port types?___
A. isolated
B. in -line
C. community
D. promiscuous
【单选题】
Which command do you enter to configure your firewall to conceal internal addresses?___
A. no ip directed-broadcast
B. no ip logging facility
C. no proxy-arp
D. no ip inspect audit-trial
E. no ip inspect
F. route
【单选题】
Which feature defines a campus area network? ___
A. It has a limited number of segments.
B. It has limited or restricted Internet access
C. It lacks ex1ternal connectivity.
D. It has a single geographic location
【单选题】
What technology can you use to provide data confidentiality data integrity and data origin authentication on your network?___
A. IPSec
B. Certificate Authority
C. IKE
D. Data
E. ncryption Standards
【单选题】
which standard is a hybrid protocol that uses oakley and skerne ke y exchanges is an ISAKMP framework?___
A. SHA
B. IPSec
C.
D. ES
【单选题】
What is the actual los privilege level of User Exec mode?___
A. 1
B. 0
C. 5
D. 15
【单选题】
What is the effect of the asa command crypto isakmp nat-traversal?___
A. It opens port 500 only on the out side interface
B. It opens port 500 only on the inside interface
C. It opens port 4500 on all interfaces that are IPSec enabled
D. It opens port 4500 only on the out side interfac
【单选题】
Which Fire POWER preproce ssor engine is used to prevent SYN attacks?___
A. Inline normalization
B. IP Defragmentation
C. Ports can
D. etection
【单选题】
Which NAT type allows objects or groups to reference an IP address ?___
A. identity NAt
B. static NAT
C. dynamic
D. dynamic NAT
【单选题】
Which Auto NAT policies are processed first?___
A. Dynamic NAT with longest prefix
B. Dynamic NAT with shortest prefix
C. static NAT with longest prefix
D. static NAT with shortest prefix
【单选题】
Which feature allows a dynamic Pat pool to se lect the next address in the pat pool instead of the next port of an existing address?___
A. next IP
B. round robin
C. dynamic rotation
D. NAT address rotation
【单选题】
Which IPS detection method can you use to detect attacks that are based on the attackers IP address?___
A. anomally-based
B. policy-based
C. signature-based
D. reputation-based
【单选题】
Which type of encryption technology has the broadest platform support?___
A. software
B. middleware
C. file-level
D. hardware
【单选题】
Which type of address translation supports the initiation of comm unications bidirectionally ?___
A. multi-session PAT
B. dynamic NAT
C. dynamic PAT
D. static NAT
【单选题】
Which label is given to a person who uses existing computer scripts to hack into computers while lacking the expertise to write the own?___
A. script kiddy
B. white hat hacker
C. hacktivist
D. phreaker
【单选题】
What is the primary purpose of a defined rule in an IPS?___
A. to configure an event action that takes place when a signature is triggered
B. to define a set of actions that occur when a specific user logs in to the system
C. to configure an event action that is pre-defined by the system administrator
D. to detect internal attacks
【单选题】
Which option is the default valuce for the Diffie- Hell man group when configuring a site-to-site VPn on an asa device ?___
A. Group 1
B. Group 2
C. Group 5
D. Group 7
【单选题】
Which feature filters CoPP packets?___
A. access control lists
B. class maps
C. policy maps
D. route maps
【单选题】
Which command is used in global configuration mode to enable AAA?___
A. configure-model aaa
B. configure aaa-modelA
C. aaa new-model
D. aaa
E. XEC
【单选题】
Which statement about the given configuration is true?___
A. The single-connection command causes the device to establish one connection for all TACACS
B. The single-connection command causes the device to process one TacAcs request and then move to the next server
C. The timeout com mand causes the device to move to the next server after 20 seconds of TACACS inactive
【多选题】
What are two well-known security terms?___
A. phishing//网络钓鱼
B. ransomware //勒索软件
C. BPDU guard
D. LACP
E. hair-pinning
【多选题】
Which two commands must you enter to securely archive the primary bootset of a device___
A. router(config )#secure boot-config
B. router(config)#auto secure
C. router(config)#secure boot-image
D. router(config)#service passw ord-encryption
【多选题】
Which two functions can SIEM provide ?___
A. correlation between logs and events from multiple systems
B. event aggregation that allows for reduced log storage requirements
C. proactive malware analysis to block malicious traffic
D. dual-factor authentication
E. centralized firewall management
【多选题】
Which two features of Cisco Web Reputation tracking can mitigate web-based threats?___
A. buffer overflow filterin dhsuowip
B. Bayesian filters
C. web reputation filters
D. outbreak filtering
E. exploit filtering
【多选题】
What are two challenges when deploying host- level IPS? ___
A. The deployment must support multiple operating systems.
B. It is unable to provide a complete networ k picture of an attack.
C. It is unable to determine the outcome of e very attack that it detects
D. It does not provide protection for offsite computers
E. It is unable to detect fragmentation attacks
【多选题】
Which technology can be used to rate data fidelity and to provide an authenticated hash for data?___
A. file reputation
B. file analysis
C. signature updates
D. network blocking
【多选题】
Which two statements about host-based iPS solutions are true?___
A. It uses only signature-based polices
B. It can be deployed at the perimeter.
C. It can be have more restrictive policies than network-based IPS
D. it works with deployed firewall
E. It can generate alerts based on be havior at the de sto
【多选题】
When two events would cause the state table of a stateful firewall to be updated? ___
A. when a packet is evaluated against the outbound access list and is denied
B. when a con nection is created
C. when rate-limiting is applied
D. when a connection s timer has expired within the state table.
E. when an outbound packet is forwarded to the outbound interface
【多选题】
Which two characteristics apply to an intrusion Prevention System(IPS)?___
A. Cannot drop the packet on its own
B. Cabled directly inline with the flow of the network traffic
C. Runs in promiscuous mode wat
D. Does not add delay to the original traffic
E. Can drop traffic based on a set of rules
【多选题】
crypto ipsec trans form-set myset esp-md5-hmac esp-aes-256,What are two effects of the given command?___
A. It configures authentication use AES 256.
B. It configures authentication to use MD5 HMAC
C. It configures authentication use AES 256.
D. It configures encryption to ase MD5 HMAC.
E. It configures encryption to use AES 256
【多选题】
your security team has discovered a malicious program that has been harvesting the CEos email messages and the com pany 's user database for the last 6 months. What are two possible types of attacks your team discovered?___
A. social activism
B. EPolymorphic Virus
C. advanced persistent threat
D. drive-by spyware
E. targeted malware
【单选题】
以下关于数据处理的叙述中,不正确的足___。
A. :数据处理不仅能预测不久的未来,自时还能影响未
B. :数据处理和数据分析可以为决策提供真知灼见
C. :数据处理的重点应从技术角度去发现和解释数据蕴涵的意义
D. :数据处理足从现实世界到数据,冉从数据到现实世界的过程
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