相关试题
【单选题】
126《地铁设计规范》中，道床面低于钢轨底面不宜小于___。
A. 70 mm
B. 60 mm
C. 80 mm
D. 90 mm
【单选题】
127任意___或以上施工计划相互间影响，如按计划实施会造成人身伤亡、设备损坏、影响扩大导致不良后果或相互影响无法完成的情形，属于施工冲突。
【单选题】
128对于工程车描述正确的是___。
A. 由电动客车担当
B. 该列车不办理闭塞手续
C. 该列车未安装车载ATP设备
D. 该列车为运行图图定列车
【单选题】
129下列哪些不属于动火前“八不”要求：___。
A. 防火、灭火措施不落实不动火
B. 周围易燃易爆物未清除不动火
C. 盛装过气体，受热膨胀有爆炸危险的容器、管道不动火
D. 作业部门未指定现场负责人不动火
【单选题】
130在两站之间的区间线路因作业需要开行工程列车时，由行调指定的___办理施工登记。
A. 值班站长
B. 值班员
C. 保安
D. 施工负责人
【单选题】
131下列施工中不能在同一区段中同时进行的是___。
A. 更换道岔和线路巡检
B. 更换道岔和施工列车运行
C. 钢轨探伤和线路捣固
D. 清扫隧道柜和线路巡检
【单选题】
132以下不属于特种作业证件的是___。
A. 天车证
B. 叉车证
C. 急救证
D. 电梯证
【单选题】
133站内线路施工时，由___在车站两端端墙外轨道中央的道床上设置警示标识防护。
A. 站台保安
B. 站务员
C. 值班员
D. 施工负责人（或由其指定专人）
【单选题】
134地下车站[含地下通道]、隧道外边线外侧___米内,为地铁安全保护区。
【单选题】
135设计规范中，地下出入口通道力求短、直，通道的弯折不宜超过3处，弯折角度宜大于___°。
【单选题】
136地铁的旅行运行速度一般在___。
A. 40--80 km/h
B. 35--45 km/h
C. 20--30 km/h
D. 50--60 km/h
【单选题】
137开行调试列车的命令由___发布。
A. 行车调度
B. 电力调度
C. 环控调度
D. 防灾调度
【单选题】
138施工作业完毕后，需___。
A. 要求施工人员迅速离站
B. 对施工结果进行研判
C. 针对施工进度进行把控
D. 对施工涉及的行车设备进行试验
【单选题】
139渡线是由___组成的连接两条平行线路的联接设备。
A. 1个单开道岔
B. 2个单开道岔
C. 3个单开道岔
D. 4个单开道岔
【单选题】
140列车运行图图定开行600列实际开行列车数580列列车运行图兑现率___。
A. 50%
B. 70%
C. 96.67%
D. 100%
【单选题】
141正点列车次数500列，实际开行列车数550列，列车正点率___。
A. 50%
B. 70%
C. 90.9%
D. 100%
【单选题】
142施工计划受理的权限,下列说法正确的是___。
A. 旬施工计划及临时性生产任务由调度中心受理
B. 旬施工计划及临时性生产任务由各专业调度中心受理
C. 计表维修计划由调度中心受理
D. 车辆段信号楼受理所辖线路车场内的旬施工计划、临时性生产任务及计表维修计划
【单选题】
143渡线属于___。
A. 正线
B. 停车线
C. 联络线
D. 辅助线
【单选题】
144单个滑动门无法关闭时，站务员在使用 L CB 操作站台门时，应打在___位。
【单选题】
145站台门控制系统中就地控制盘的英文缩写为___。
A. PS A
B. P S L
C. PS C
D. D C U
【单选题】
146司机进行“关门”操作；其中一道滑动门故障未能关闭。站台人员需将故障门置于___，并在故障门处做好客流组织工作，直至故障门修复正常。
A. 手动位
B. 自动位
C. 隔离位
D. 关门位
【单选题】
147环境监视与控制系统称为___系统。
A. BA S
B. F AS
C. PI S
D. A TS
【单选题】
148站台门以下控制方式中___优先级最高。
A. 人工机械解锁
B. PS L操作
C. I B P盘操作
D. L CB操作
【单选题】
149___情况下可对站台门进行 L C B操作。
A. 列车到站停稳后，车门打开，站台门单门无法自动开启时
B. 列车到站后，马上操作
C. 列车到站，车门打开 3 秒后，整列站台门未打开
D. 遇乘客想尽快下车时
【单选题】
150站台门应急门在___情况下使用。
A. 站台门破裂时
B. 紧急情况下，列车进站停稳，车门未对准滑动门
C. 列车到站后3秒，滑动门未打开
D. 任何情况下
【单选题】
151下列选项关于站台门基本功能说法正确的是___。
A. 站台门具有障碍物的检测并有障碍物故障报警功能
B. 可以从门头指示灯、PS C柜了解站台门运行状态、报警信息
C. 可对发生故障的门机进行隔离旁路，进行隔离维修
D. 以上均正确
【单选题】
152站台门故障的处理原则说法正确的选项是___。
A. 先通车后恢复
B. 先处理后通车
C. 处理与通车同时进行
D. 以上均错误
【单选题】
153站台门失电后，___操作可以打开单樘门。
A. LC
B. B.手动解锁
C. PS L
D. I BP盘
【单选题】
154自动闭塞分区最小长度，应满足___。
A. 列车在最高运行速度时的最大制动距离
B. 列车在最高运行速度时的最大制动距离+列车前部防护距离
C. 列车在最高运行速度时的最大制动距离+列车长
D. 列车在最高运行速度时的最大制动距离+列车后部防护距离
【单选题】
155列车运行模式中的RM表示___驾驶模式。
A. 自动驾驶模式
B. 编码人工驾驶模式
C. 限制人工驾驶模式
D. 非限制人工驾驶模式
【单选题】
156下列不属于机电系统设备的是___。
A. 通风空调
B. 火灾自动报警
C. 站台门
D. 视频监视
【单选题】
157交叉渡线通常由___个单开道岔组成。
【单选题】
158列车运行图上标注[定义]的站停时间是___。
A. 行车日志上记录的发车时刻与到达时刻之差
B. 列车在站停稳至启动的时间
C. 列车全列进入站台轨，至列车同时占用站台轨和其相邻轨道区段的时间
D. 在站列车车门全部打开，至车门全部关闭的时间
【单选题】
159下列关于引导信号的说法中，正确的是___。
A. C B T C 模式下不需办理开放引导信号操作
B. 所有信号机均设有引导信号
C. 防护信号机的引导信号开放时，系统不锁闭道岔
D. 开放引导信号时，不需人工判断道岔位置
【单选题】
160列车迫停于区间时，须抢险救援时，负责人是___。
A. 由司机负责组织抢险救援工作
B. 由值班站长负责组织抢险救援工作
C. 由公司领导负责组织抢险救援工作
D. 先由司机负责组织，当值班站长到达现场，由值班站长负责组织抢险救援工作
【单选题】
161___不属于车辆的组成部分。
A. 车体
B. 转向架
C. 无源信标
D. 制动系统
【单选题】
地铁是以为乘客提供___为特征的“窗口”行业。
A. 出行服务
B. 旅游服务
C. 休闲服务
D. 商务服务
【单选题】
163自动扶梯运行时，一旦发现有异常声音或震动时，应立即___，停止自动扶梯运行，并通知专业人员检修。
A. 报告
B. 按下急停按钮
C. 宣传乘梯乘客离开电梯后关梯
D. 查找异常声音或震动的原因
【单选题】
164综合后备盘一般设置在综控室[车控室]内，其英文缩写为___。
A. F A S
B. B A S
C. I B P
D. SC
【单选题】
165手摇道岔所携带物品不含___。
A. 钩锁器
B. 手台
C. 手摇把
D. 行车专用章
推荐试题
【单选题】
An ESXi host's VMCA-Signed certificate has expired. How can the certificate be renewed?___
A. In the vSphere Web Client, browse to the host in question. Click the Manage tab and select settings. Select System and click Certificate, then click the Renew button.
B. In the vSphere Web Client, browse to the host in question. Click the Manage tab and select settings. Select System and click Certificate, then click the Refresh CA Certificates button.
C. Run the command /sbin/generate-certificates on the affected host.
D. Disconnect the host from vCenter Server and reconnect it.
【单选题】
Which is the correct order for upgrading vSphere components?___
A. vCenter Server, ESXi hosts, VMware Tools, Virtual Machine hardware
B. VMware Tools, Virtual Machine hardware, ESXi hosts, vCenter Server
C. vCenter Server, Virtual Machine hardware, VMware tools, ESXi hosts
D. ESXi hosts, vCenter Server, Virtual Machine hardware, VMware Tools
【单选题】
Which iSCSI initiator type can be used with any network interface card?___
A. Software iSCSI initiator
B. Software FCoE adapter
C. Hardware Independent iSCSI initiator
D. Hardware Dependent iSCSI initiator
【单选题】
An administrator is attempting to power on a virtual machine with 32GB of memory. The operation fails with the following error: <Could not power on VM: No space left on device> <Checking the space on the virtual machine's datastore, there is 30GB free.> Which action would allow the VM to power on?___
A. Set a 2GB memory reservation on the VM.
B. Mount the virtual disk from the affected VM on to another virtual machine and free up space from within the OS.
C. Enable vSphere HD admission control on the cluster in which the VM resides.
D. Set a 2GB memory limit on the VM.
【单选题】
An administrator attempts to manually reclaim space on thin-provisioned VMFS6 volumes but finds that no additional space is being recovered. Which could be causing this?___
A. vSphere 6.5 does not support manual UNMAP.
B. The manual UNMAP operation has been moved to the vSphere web client.
C. The VASA version is use is incompatible.
D. UNMAP is automated for VMFS6.
【单选题】
An administrator has upgraded to vSphere 6.5 and also wants to use Kerberos authentication for NFS. Which can be done to the existing NFSv3 volumes to enable this feature?___
A. Perform a storage rescan on VMFS volumes.
B. Unmount the NFSv3 datastore, and then mount as NFSv4.1 datastore.
C. Nothing. All NFSv3 mounted datastores are upgraded automatically during vSphere upgrades.
D. Perform a scan of new storage devices.
【单选题】
An administrator wants to restore the vCenter Server Appliance 6.5 from backup. Where can this be accomplished?___
A. from the ESXi Host Client
B. from the VMware vSphere Appliance Management Interface
C. from within the VMware vSphere Web Client
D. from the vCenter Server Appliance Installer
【单选题】
The administrator wants to power on VM-K2, which has a 2GHz CPU reservation. VM-M1, VM-M2, and VM-K1 are all powered on. VM-K2 is not powered on. The exhibit shows the parent and child resource reservations. If Resource Pool RP-KID is configured with an expandable reservation, which statement is true?___
A. VM-K2 will be unable to power on because there are insufficient resources.
B. VM-K2 will be able to power on since resource pool RP-KID has 2GHz available.
C. VM-K2 will be unable to power on because only 2GHz are reserved for RP-KID.
D. VM-K2 will receive resource priority and will be able to power on this scenario.
【单选题】
Which is the block size on the VMFS6 datastore?___
A. All small and large file blocks are 8MB.
B. All small and large file blocks are 1MB.
C. Small file blocks are 512KB. large file blocks are 64MB.
D. Small file blocks are 1MB, large file blocks are 512MB.
【单选题】
When installing vCenter Converter Standalone, why must an administrator perform a client-server installation instead of a local installation?___
A. to manage conversion tasks remotely
B. to convert virtual machines as well as physical machines
C. to allow installation of the Converter agent on remote source machines
D. to hot clone physical or virtual machines
【单选题】
Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?___
A. The Linux machine must be powered off.
B. The Linux machine must have the SSH daemon started.
C. The Linux machine must use a static IP address.
D. The Linux machine must have a fully-qualified domain name.
【单选题】
An administrator is troubleshooting network communications between a vCenter Server and an ESXi 6.5 host. Which log shows the related events between these components?___
A. /var/log/fdm.log
B. /var/log/vpxa.log
C. /var/log/hostd.log
D. /var/log/auth.log
【单选题】
An administrator has recently upgraded from vSphere 6.0 to 6.5, and can no longer see the software iSCSI named vmhba33. Which could be the reason for this?___
A. The upgrade has changed the vmhba name.
B. vSphere 6.5 automates iSCSI configurations.
C. vSphere 6.5 no longer supports software iSCSI.
D. The upgrade has deleted the vmhba.
【单选题】
An administrator is trying to vMotion a VM from his datacenter to a recovery site. Which is the maximum allowed RTT (Round-Trip Time) latency between source and destination host?___
A. 100 milliseconds
B. 150 milliseconds
C. 15 milliseconds
D. 10 milliseconds
【单选题】
Which is required for configuring iSCSI Software Adapter network port binding?___
A. VMkernel of the iSCSI traffic must be load balanced using Route based on IP Hash algorithm.
B. VMkernel of the iSCSI traffic must be load balanced using Route based on Source Virtual Port ID algorithm.
C. VMkernel of the iSCSI traffic must be load balanced using Route based on Source MAC Hash algorithm.
D. VMkernel of the iSCSI traffic must be bound to only one active network adapter.
【单选题】
In vSphere Data Protection 6.1, which is the function of a Backup Verification job?___
A. None. Backup Verification job is not a feature of vSphere Data Protection
B. It is a manual task -Power it on -Verify the guest OS -Check started applications
C. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OS is booted by communicating with the Backup Verification agent
D. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OC is booted by detecting the VMware ToolsTM "heartbeats"
【单选题】
An administrator has enabled vSphere Distributed Switch Health Check. The hosts connected to that Distributed Switch all display an alert:< vSphere Distributed Switch MTU supported status > .The administrator has all of the VMkernel ports MTU sizes set to 1600. Which action will remedy this problem?___
A. Configure the Distributed Switch to MTU 9100.
B. Disconnect and reconnect the physical network cable.
C. Configure the physical switch to MTU 1600.
D. Disable the Distributed Switch MTU.
【单选题】
Which Host Profile Subprofile configuration is used to configure firewall settings for ESXi hosts?___
A. Advanced Configuration Settings
B. General System Settings
C. Security
D. Networking
【单选题】
Where would a vSphere administrator find general vCenter Server logs on a vCenter Server Appliance?___
A. /var/log/vmware/vpxd/
B. /var/log/messages
C. /etc/vmware-vpx/
D. /var/log/vmware/vsan-health/
【单选题】
An administrator wishes to enable network port mirroring based on source port. Which feature should be enabled?___
A. vSphere standard switch port
B. ERSPAN
C. NSX Virtual Wire
D. VLAN
【单选题】
Which CLI command shows the physical uplink status for a vmnic?___
A. esxcli network ip connection list
B. esxcli network ip neighbor list
C. esxcli network nic get
D. esxcli network nic list
【单选题】
Which is the maximum number of block devices (LUNs) that are supported by ESXi hosts that are running version 6.5?___
A. 1024
B. 512
C. 2048
D. 256
【单选题】
When performing a vCenter Server 5.5 for Windows with Microsoft SQL Server Express database migration to vCenter Server Appliance 6.5, which will be the target database?___
A. Microsoft SQL Server Express 2012R2
B. Microsoft SQL Server Standard 2012R2
C. PostgreSQL
D. Oracle DB 11g
【单选题】
An administrator has multiple vCenter Server 6.5 systems but cannot enable Storage I/O Control (SIOC) on a datastore shared by ESXi hosts managed by the vCenter Server systems. Which action should the administrator take to resolve the issue?___
A. Unmount the datastore and then enable SIOC on the vCenter Server system.
B. Configure the datastore to be managed by a single vCenter Server system.
C. Configure Storage DRS and then enable SIOC on the vCenter Server system.
D. Enable Raw Device Mapping (RDM) on the
E. SXi hosts.
【单选题】
“OneAppServer” is a VM template stored in a content library named “LibraryOne”, but the vSphere administrator is not able to use this template for deployment. Why is the administrator unable to deploy OneAppServer?___
A. OneAppServer must be updated before it can be deployed.
B. LibraryOne is a subscribed library and OneAppServer is not downloaded yet.
C. LibraryOne is published and optimized for syncing over HTTP.
D. OneAppServer was imported from a local file on the system.
【单选题】
An administrator sets the Failover Capacity for both CPU and Memory at 25%. Based on the Exhibit below, how much of the cluster’s total CPU resources are still available to power on additional virtual machines?___
A. 45%
B. 25%
C. 70%
D. 60%
【单选题】
Which statement applies to the vSphere Replication appliance?___
A. Only one vSphere Replication appliance can be deployed per vCenter Server instance.
B. VMware Tools in the vSphere Replication appliance can be upgraded.
C. A single vSphere Replication appliance can manage a maximum of 4000 replications.
D. vSphere Replication is available only with the vSphere
E. ssentials Plus license.
【单选题】
Which esxcli namespace can a vSphere Administrator use to adjust the queue depth?___
A. esxcli system module parameters
B. esxcli storage core device
C. esxcli system module set
D. esxcli storage core adapter
【单选题】
Which statement regarding datastore clusters meets VMware’s recommended best practices?___
A. Clusters should contain only datastores presented from the same storage array.
B. Clusters should contain only datastores with equal hardware acceleration capability.
C. Clusters should contain only datastores with the same capacity.
D. Clusters should contain only datastores using the same connection method (iSCSI, FC, etc.).
【单选题】
What VM Monitoring setting would ensure that the maximum reset window for a virtual machine is 24 hours?___
A. Medium
B. Low
C. High
D. Normal
【单选题】
What is the default space threshold for vSphere Storage DRS?___
A. 80%
B. 70%
C. 90%
D. 95%
【单选题】
Which is the correct sequence to upgrade a vSphere infrastructure?___
A. vCenter Server>ESXi host> VMware Tools>VM compatibility
B. ESXi host>vCenter Server> VMware Tools>VM compatibility
C. vCenter host> ESXi host> VM compatibility> VMware Tools
D. ESXi host>vCenter Server> VM compatibility>VMware Tools
【单选题】
An administrator has a large boot from SAN cluster and wants to ensure consistent configuration by using host profiles. What special considerations are required for boot from SAN hosts?___
A. Change the “Device is shared clusterwide” setting to “false” in the host profile.
B. Verify that the boot LUN is correctly identified as the boot device in the host profile.
C. The boot from SAN device must report as a local device.
D. Host profiles are incompatible with boot from SAN hosts.
【单选题】
When using VMware Converter to import a Windows server and improve the consistency of the destination virtual machine, which optional step can be performed immediately prior to powering down the source server?___
A. Perform a final synchronization task.
B. Remove the server from the network.
C. Uninstall production applications.
D. Remove the server from the Active Directory domain.
【单选题】
Restoration of the vCenter Server Appliance is accomplished using which interface?___
A. vSphere Web Client
B. vSphere Client
C. vCenter Server Appliance Management Interface
D. vCenter Server Appliance GUI Installer
【单选题】
When attempting to migrate a virtual machine to another host in the same cluster, the error message, “Select a valid compute resource” returns. What could cause this error?___
A. Both hosts run different versions of ESXi.
B. Both hosts are not sharing the same datastore.
C. VMware Tools is not installed.
D. Virtual machine has an ISO attached.
【单选题】
When will vSphere Data Protection delete the expired backup image of a Platform Service Controller?___
A. Immediately after the retention period has expired.
B. After the expired backup image is restored.
C. During the next backup window following expiry.
D. During the next maintenance window following expiry.
【单选题】
Group A has permission to download files in Content Library. Group B does not have permission to download files in Content Library. If a user is a member of both groups, what will be the result?___
A. The user cannot download file from Content Library.
B. The user can download file from Content Library.
C. The user cannot access Content Library.
D. The user can access Content Library.
【单选题】
An administrator is trying to set up Host Partial Failure Response, but the Automated option is grayed out. What can the administrator change to enable the Automated option?___
A. Change the vSphere DRS Automation level to Partially Automated.
B. Change the vSphere DRS Automation level to Fully Automated.
C. Enable vSphere HA Host Monitoring.
D. Change the vSphere DPM Automation level to Automatic.
【单选题】
When you attempt to open a virtual machine console from the vSphere Web Client, the console does not connect. The following error message appears:<HTTP ERROR 404> <Problem accessin/.Reason: Not Found>. Why did not connect?___
A. Port 443 is in use.
B. Port 9443 is in use.
C. Port 8443 is in use.
D. Port 22443 is in use.
