【多选题】
每个门控器都配有下列部件___(摘自维修手册)
A. 逻辑模块
B. 电源模块
C. 电控模块
D. 数据模块
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答案
AB
解析
暂无解析
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【多选题】
可供选择的开关门模式有___ (摘自维修手册)
A. 自动
B. 半自动
C. 手动
D. 半联动
【多选题】
车门橙色指示灯什么情况下保持常亮。___ (摘自维修手册)
A. “车门处于打开位置
B. 开门过程中
C. 车门处于紧急操作状态下
D. 门关好
【多选题】
车门橙色指示灯什么情况下保持常亮。___ (摘自维修手册)
A. 车门处于打开位置
B. 开门过程中
C. 车门处于紧急操作状态下
D. 门关好
【多选题】
网络硬线切换定义正确的是:___(摘自维修手册)
A. 硬线:此时EDCU 响应列车硬连线发出的车门开关指令
B. 网络:此时EDCU 响应列车MVB 网络发出的车门开关指开门过程中
C. 硬线:此时EDCU 响应列车MVB 网络发出的车门开关指开门过程中
D. 网络:此时EDCU 响应列车硬连线发出的车门开关指令
【多选题】
每个门控器都配有下列部件___(摘自维修手册)
A. 逻辑模块
B. 电源模块
C. 电控模块
D. 数据模块
【多选题】
车门关闭过程中,可通过下列方式探测到障碍物:___ (摘自维修手册)
A. 力矩监控
B. 位移/时间监控
C. 电机电流监控
D. 电机电压监控
【多选题】
车辆车门开启的先前条件有___(摘自维修手册)
A. 车门开启允许信号
B. 零速信号
C. 开门信号
D. 牵引信号
【多选题】
长沙地铁1号线车辆的转向架驱动装置主要功能是:产生( )、();将驱动力矩、电制动力矩传递到( )上。 ___(摘自维修手册)
A. 驱动力矩
B. 电制动力矩
C. 轮对
D. 受电弓
【多选题】
下面哪些属于一系悬挂装置。___ (摘自维修手册)
A. 螺旋钢弹簧
B. 抗侧滚扭杆
C. 一系垂向止挡
D. 一系垂向减振器
【多选题】
牵引梁用于安装车辆的车钩缓冲器,用来传递___。(摘自维修手册)
A. 车体重力
B. 车辆间的牵引力
C. 车体横向冲击力
D. 车辆间的制动力
【多选题】
车体底架的主要作用是承受 ___。(摘自维修手册)
A. 车体上部载荷
B. 因各种原因而引起的横向力
C. 走行部传递来的各种振动和冲击
D. 传递列车的牵引力
E. 传递列车的制动力。
【多选题】
长沙地铁1号线车辆的转向架承载方式是()和()。 ___(摘自维修手册)
A. 中心牵引装置
B. 空气弹簧
C. 钢板
D. 油缸
【多选题】
长沙地铁1号线车辆的转向架侧梁上有___。(摘自维修手册)
A. 垂向减振器安装座
B. 抗侧滚扭杆安装座
C. 金属螺旋弹簧座
D. 横向减振器安装座
【多选题】
长沙地铁1号线车辆轮对主要功能有___。(摘自维修手册)
A. 车辆与轨道的接触部分,引导车辆安全地沿轨道运行
B. 承载车辆重量
C. 排除轨道上的障碍
D. 将牵引力和制动力传递到轨道
【多选题】
长沙地铁1号线车辆的转向架轴箱组装由( )、( )、轴承压盖、( )外端盖及电气部件组成。___(摘自维修手册)
A. 轴箱体
B. 轴承
C. 轴圈
D. 油缸
【多选题】
长沙地铁1号线车辆的转向架构架型式由( )、()焊接而成H型构架和。___(摘自维修手册)
A. 两根侧梁
B. 三根侧梁
C. 四根侧梁
D. 中间横梁
【多选题】
长沙地铁1号线车辆的转向架轴箱主要功能是:传递( )和();将轮对的旋转运动转换为车辆的直线运动;支撑( )上载荷。 ___(摘自维修手册)
A. 牵引力
B. 制动力
C. 二系簧
D. 一系簧
【多选题】
当出现下列情况之一时,司机应主动采取紧急牵引。___(摘自维修手册)
A. 出现操作端HMI通信故障;
B. 出现两个或两个以上BCU通信故障;
C. HMI黑屏;
D. 列车无法正常牵引;
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网络拓扑可分为___型。 (摘自维修手册)
A. 总线型
B. 星型
C. 混合型
D. 三角型
【多选题】
TCMS 采用分布式控制技术,划分为两级:___ (摘自维修手册)
A. 列车控制级
B. 车控
C. 车辆控制级
D. 集控
【多选题】
TCMS 将故障划分为3 个等级:___ (摘自维修手册)
A. 严重故障
B. 中等故障
C. 较轻微故障
D. 轻微故障
【多选题】
控制手柄设有4个档位,分别为___。(摘自维修手册)
A. 牵引区
B. 0位
C. 制动区
D. 快速制动位
E. ATO
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控制手柄用来控制列车___功能。(摘自维修手册)
A. 牵引
B. 换向
C. 关闭
D. 制动
【多选题】
TCMS主要包含四类功能有___。(摘自维修手册)
A. 控制功能
B. 故障检测
C. 监视功能
D. 诊断功能
【多选题】
当一个辅助逆变器故障,另一个辅助逆变器给以下___设备供电。 (摘自维修手册)
A. 所有外部冷却风扇
B. 所有空调单元
C. 所有空压机
D. 每车一个空调单元
E. 其中一个空压机
【多选题】
蓄电池充电器(DC/DC)的特点是___。(摘自维修手册)
A. 输出DC110V
B. 输入和输出之间电压隔离
C. 紧急启动
D. 限压恒流浮充电
E. 采用IGBT技术
【多选题】
长沙地铁1号线列车的司控器具有___等特点。(摘自维修手册)
A. 结构紧凑、体积小
B. 重量轻
C. 高可靠、长寿命
D. 少维修或免维修
【判断题】
门页在开关过程中下摆臂体与下滑道下边应无摩擦干涉,滚轮面下部平齐或高于下滑道底边。
A. 对
B. 错
【判断题】
空气(摩擦)制动是用来补充所要求的制动指令和已达到的电制动力之间的差额,以及没有电制动时,完全满足列车的制动的。
A. 对
B. 错
【判断题】
所设计的弹簧制动力可保证AW3载荷列车停放于最大坡度的轨道上。
A. 对
B. 错
【判断题】
紧急空气制动系统由贯穿整个列车的DC110V连续电源线控制紧急制动的缓解。
A. 对
B. 错
【判断题】
紧急制动可不经过微机制动控制单元(以下简称EBCU)的控制,直接使制动控制单元(以下简称BCU)中的紧急电磁阀失电而产生。
A. 对
B. 错
【判断题】
快速制动设计为紧急情况下一种制动方式。当司控器位于快速制动位时,列车施加快速制动。
A. 对
B. 错
【判断题】
快速制动、紧急制动设计为紧急情况下一种制动方式。快速制动、紧急制动不具有防滑保护和冲动限制。
A. 对
B. 错
【判断题】
长沙地铁1号线踏面制动单元间隙调整装置由两组组件组成:丝杆组件和“伸缩组件”。
A. 对
B. 错
【判断题】
长沙地铁1号线风源系统油过滤器是一种纸质过滤器,其功能是去除油中杂质,如金属微粒、油之劣化物等杂质。
A. 对
B. 错
【判断题】
轮缘润滑供风装置主要是一个球阀,用于控制主风管向轮缘润滑设备的气源供应。
A. 对
B. 错
【判断题】
长沙地铁1号线空气干燥器为双塔式干燥器,一塔干燥的同时,另一塔进行再生。
A. 对
B. 错
【判断题】
任意一端的司机室都可以随时向另外一端的司机室发起对讲。对讲声音通过监听扬声器放出。
A. 对
B. 错
【判断题】
当紧急情况(紧急对讲、紧急开门)发生时,司机室触摸屏显示器全屏显示发生紧急事件所在车厢的图像。
A. 对
B. 错
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What is the effect of the ip scp server enable command?___
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【单选题】
How can you mitigate attacks in which the attacker attaches more than one vLan tag to a packet?___
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Which technology can you implement to centrally mitigate potential threats when users on your network download files that might be malicious?___
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What is the most common implementation of PaT in a standard networked environment?___
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Which network to pology de scribes multiple LANS in a gec? ___
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Which statement represents a difference between an access list on an aSa versus an access list on a router?___
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Which command do you enter to verify the status and settings of an iKE Phase 1 tunnel?___
A. show crypto ipsec as output
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Which feature can help a router or switch maintain packet forwarding and protocol states despite an attack or heavy traffic load on the router or switch?___
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Which STP feature can prevent an attacker from becoming the root bridge by immediately shutting down the interface when it receives a BPDU?___
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Which technology can best protect data at rest on a user system?___
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Which two primary security concerns can you mitigate with a BYOD solution ?___
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choose five___
A. MD5————————inserure
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Which two characteristics of symmetric encryption are true?___
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which two characteristics of PVLAN are true?___
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What are two options for running Cisco SDM?___
A. Running SDM from a mobile device
B. Running SDM from within CiscoWorks
C. Running SDM from a router's flash
D. Running SDM from the Cisco web porta
E. Running SDM from a PC
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Which two options are the primary deployment modeles for mobile device management?___
A. multisite
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C. on premises
D. hybrid cloud basedo
E. single site
【多选题】
Drag the recommendation on the left to the Cryptographic algorithms on the right, Options will be used more than once.___
A. Avoid——————————————DES,MD5
B. Legacy——————————————SDES,SHA1,HMAC-MD5
【多选题】
Which two are valid types of vLans using PVLANS ?___
A. Community VLAN
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Which two commands are used to implement Resilient lOS Configuration ___
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C. copy flash:ios bin tftp
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【多选题】
Which two types of firewalls work at layer 4 and above ?___
A. Stateful inspection
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Which two default settings for port security are true ?___
A. Violation is Protect
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【多选题】
Which two are characteristics of RADIUS?___
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B. Uses TCP port 49
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D.
E. ncrypts only the password between user and server
【多选题】
When setting up a site-to-site VPN with PSK authentication on a Cisco router, which two elements must be configured under crypto map?___
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【多选题】
When using the Adaptive Security Device Manager(ASDM), which two options are available to add a new root certificate?___
A. Install from SFTP server
B. Usehttps
C. Install from a file
D. Use LDAP
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【多选题】
Which two SNMPv3 services support its capabilities as a secure networ k manage protocol? ___
A. access control
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C. authentication
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【多选题】
Which two statements about routed firewall mode are true ?___
A. The firewall acts as a routed hop in the network
B. This mode conceals the presence of the firewall
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【多选题】
Which two statements describe DHCP spoofing attacks?___
A. They are used to perform man-in- the-middle attacks
B. They can access most network devices
C. They can modify the flow of traffic in transit. LNGKAIG
D. They protect the identity of ti attacker by masking the DHCP address
E. They can physically modify the network gateway
【多选题】
Which two types of VLANs using PVLANs are valid?___
A. isolated
B. promiscuous
C. backup
D. secondary
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【多选题】
What are two limitations of the self-zone policies on a zone-based firewall?___
A. They are unable to block Https traffic
B. They restrict SNMP traffic.
C. They are unable to support Https traffic
D. They are unable to implement application inspection
E. They are unable to perform rate limiting
【多选题】
Which two descriptions of TACACS+ are true? ___
A. The TACACS+ header is unencrypted
B. It combines a uthentication and authorization
C. It uses TCP as its transport protocol
D. Only the password is encrypted.
E. It uses UDP as its transport protocol.
【多选题】
Which two actions does an IPS perform? ___
A. it spans the traffic
B. it reflects the traffic back to the sender
C. it encrypts the traffic
D. it terminates the user session or connection of the attacker
E. it reconfigures a device to block the traffic
【多选题】
In which form of fraud does an attacker try to learn information such as login credenti account information by ma squerading as a reputable entity or person in email, IM or communication channels ?___
A. phishing
B. Smurfit
C. Hacking
D. Identity Spoofing
【多选题】
Which two ESA services are available for incoming and outgoing mails ?___
A. anti-DoS
B. reputation filter
C. antispam
D. content filter
E. DLP
【多选题】
What are two reasons to recommend SNMPv 3 over SNMPv2?___
A. SNMPv3 is secure because you can configure authe ntication and privacy
B. SNMPv3 is insecure because it send in formation in clear text
C. SNMPv2 is insecure because it send information in clear text
D. SNMPv3 is a Cisco proprietary protocol
E. SNMPv2 is secure because you can configure authentication and privacy
【多选题】
Which two actions can a zone- based firewall apply to a packet as it transits a zone pair?___
A. drop
B. inspect
C. queue
D. quarantine
【单选题】
Which security principle has been violated if data is altered in an unauthorized manner?___
A. accountability
B. confidentiality
C. availability
D. integrity