【多选题】
停放制动的制动缓解施加方式，下列说法正确的是___。
A. 充气→制动
B. 排气→缓解
C. 充气→缓解
D. 排气→制动
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相关试题
【多选题】
长沙地铁2号线列车通过司机台紧急制动按钮（蘑菇按钮）施加紧急制动时，会触发___。
A. 受电弓降弓
B. 高速断路器断开
C. 客室空调停止工作
D. 启动紧急照明
【多选题】
长沙地铁2号线风源系统中空气净化单元主要包括___等。
A. 气/水分离器
B. 高效过滤器
C. 吸附式干燥器
D. 灰尘过滤器
【多选题】
关于常用制动，下列说法正确的有___。
A. 常用制动是可恢复的制动
B. 常用制动是不可恢复的制动
C. 常用制动为电-空混合制动
D. 常用制动为电制动
【多选题】
下列阀件属于压力控制阀的有___。
A. 止回阀
B. 溢流阀
C. 减压阀
D. 节流阀
【多选题】
在长沙地铁2号线车辆在运行中可自动施加的制动类型为___。
A. 停放制动
B. 紧急制动
C. 快速制动
D. 保持制动指令
【多选题】
车门橙色指示灯什么情况下保持常亮。___
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：___
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___
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：___
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】
总线的寻址方式___
A. 物理寻址
B. 逻辑寻址
C. 广播寻址
D. 硬线寻址
【多选题】
每个摄像头的监看画面都叠加有___信息。
A. 时间
B. 位置
C. 文件大小
D. 视频类型
【多选题】
PIS系统中，RS485故障可能影响___功能。
A. 乘客报警
B. 广播报站
C. 紧急报站
D. LED显示
【多选题】
当TCMS系统要求进入半自动报站模式，系统将提取TCMS传输的___来进行报站。
A. 列车速度信号
B. 列车启动信号
C. 列车离站距离信号
D. 开关门信号
【多选题】
广播系统的3对2芯屏蔽双绞线分别用于___功能。
【多选题】
下面关于LCD显示屏的播放模式，说法正确的是___
A. 8个LCD全部播放来自于地面编播中心视频（车地无线系统下传的视频）；
B. 8个LCD全部播放地面数字移动电视的视频；
C. 4个LCD播放地面编播中心的视频，4个LCD播放地面数字移动电视的视频；
D. 播放车载预录视频；
【多选题】
当PA按钮发亮时，取消PA广播模式的方法包括___。
A. 第二次按下PA按钮
B. 待机20秒
C. 选择另一种模式
D. 在客室按下紧急对讲
【多选题】
单元式空调机组主要包括___三部分
A. 冷凝器
B. 压缩机腔
C. 蒸发器腔
D. 司机室通风单元
【多选题】
下述条件都满足时，则闭合充电接触器。 ___
A. 主断反馈状态为闭合
B. 方向手柄非零位
C. 网压大于1000V
D. 无斩波开通标志
【多选题】
DCU收到“紧急牵引”指令后限速（ ）km/h，按AW3载荷下满手柄的（ ）发挥牵引力。 ___
A. 60
B. 45
C. 70%
D. 50%
【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。
【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。
【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。
【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。
【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。
【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。
【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”。
【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。
【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。
【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。
【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。
【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。
【判断题】
高优先级的广播可以立即打断低优先级的广播，低优先级的广播也可以打断高优先级广播。
【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。
【判断题】
PIS系统语音文件格式为MP3格式，存储器为SD卡，容量为1G。
【判断题】
长沙地铁1号线一期车辆转向架中心牵引系统下部安装有提升止挡，能确保空气弹簧因故过充时，可以限制车体不断上升，保证安全。
【判断题】
长沙地铁1号线在需要将闸瓦退后的情况下，可以使用调节螺栓将闸瓦退后20mm。
【判断题】
空气悬挂压力损失的情况下，车体由二系悬挂系统空气弹簧中的紧急弹簧支撑。
【判断题】
动车转向架与拖车转向架是完全相同的，可以进行互换。
推荐试题
【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.
【单选题】
What new feature was introduced to the Content Library in vSphere 6.5?___
A. Mount an ISO directly from the Content Library.
B. Deploy a virtual machine from an OVF Package in a Content Library.
C. Upload a File from a URL to a Library Item.
D. Upload a File from a Local System to a Library Item.
【单选题】
How can an administrator exclude Encryption rights from a support engineer?___
A. Clone the role Virtual machine power user, remove Cryptographic operations privileges.
B. Clone the role Administrator and assign to the support engineer.
C. Clone the role Virtual machine power user and assign to the support engineer.
D. Clone the role No cryptography administrator and select privileges only for the support engineer.
