【判断题】
CRH380A统型动车组弓角检查完后进行恢复,2号作业人员扶紧弓头;1号使用使用M6叉口扳手及活动扳手安装弓角,并使用扭力扳手紧固M6螺栓,扭矩为10Nm
A. 对
B. 错
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答案
B
解析
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【判断题】
CRH380A统型动车组牵引电机检查,检查确认牵引电机冷却风道无破损,安装状态良好
A. 对
B. 错
【判断题】
CRH380A统型动车组牵引电机进风口检查,作业完成后恢复进风口伸缩管,确保其密封良好,卡箍紧固到位
A. 对
B. 错
【判断题】
CRH380A统型动车组蓄电池装置检查及清洁,使用万用表测量蓄电池总电压,确认蓄电池在不带负载情况下总电压不低于87V
A. 对
B. 错
【判断题】
CRH380A统型动车组打开辅助空压机排气阀门,观察压力指针表指向640±10KPa时,确认司机室前台「准备未完成」显示灯亮
A. 对
B. 错
【判断题】
CRH380A统型动车组启动辅助空压机约1分钟后,确认辅助空气压缩机压力表指针至780±10kPa,辅助空气压缩机停止运转,各相关管系及阀无漏风
A. 对
B. 错
【判断题】
CRH380A统型动车组辅助空气压缩机检测作业完毕后,关闭辅助空气压缩机盖板,打开MR管至辅助空气压缩机的截断塞门
A. 对
B. 错
【判断题】
CRH380A统型动车组常用和快速制动试验时,按照操作提示将制动手柄打到运行位,须右旋【车上试验】和【空档】旋钮
A. 对
B. 错
【判断题】
CRH380A统型动车组牵引变流器试验时,按照操作提示右旋【车上试验】和【空挡】旋钮,点击【确认】键开始试验
A. 对
B. 错
【判断题】
CRH380A统型动车组1单元扩展供电:选择1U,选择电源切换(ACK2合),点击设定,供电分类信息显示ACK2闭合,扩展供电完成
A. 对
B. 错
【判断题】
CRH380A统型动车组1号目视检查各车厢座席下回风口、通过台处配电柜旁回风口、监控室内回风口、乘务员室内回风口、厕所废排口、司机室边柜处回风口滤网安装状态良好、无变形,破损及变形的滤网需进行更换
A. 对
B. 错
【判断题】
CRH380A统型动车组换气装置逆变器滤网清洁,2号搭设人字梯,确保人字梯搭设稳固,作业过程中监护梯子状态
A. 对
B. 错
【判断题】
CRH380A统型动车组换气装置逆变器滤网清洁,1号将滤网安装,装上开口销、锁紧搭扣;检查确认滤网安装状态良好
A. 对
B. 错
【判断题】
CRH380A统型动车组换气装置及逆变器检查、清洁:检查废排出风口风量调节板安装状态良好
A. 对
B. 错
【判断题】
CRH380A统型动车组CRH380A统型动车组端部新风滤网清洁:用棘轮扳手拆卸端部新风风道下面的4个螺栓,打开弹簧销
A. 对
B. 错
【判断题】
CRH380A统型动车组端部新风滤网清洁:用棘轮扳手和13mm的套筒安装相应风道滤网螺栓,然后用扭矩扳手紧固螺栓,紧固扭矩为15N.m,涂画防松标记
A. 对
B. 错
【判断题】
CRH380A统型动车组应急通风装置检查及清洁:断开各车配电盘内的“应急通风电源”开关
A. 对
B. 错
【判断题】
CRH380A统型动车组目视检查蹲便器蝶阀关闭严密,若有泄漏,调整便器蝶阀动作气缸。检查方法:车上,向便斗倒入适量清水,观察水位,若没有变化,说明密封良好
A. 对
B. 错
【判断题】
CRH380A统型动车组双针压力表更换:关闭对应车厢车端连接处的总风管截断阀,排空该车厢风管内的压力。目视确认双针压力表显示为零
A. 对
B. 错
【判断题】
CRH380A统型动车组司机室电压表更换:断开司机室配电盘内“电压表”、“接触网电压表”、“电压表照明”空开
A. 对
B. 错
【判断题】
CRH380A统型动车组目视检查内风挡无破损,手动检查拉力弹簧无松弛、脱落、变形
A. 对
B. 错
【判断题】
CRH380A统型动车组目视检查内风挡护板无变形、破损,护板移动滚珠无磨损,磨耗胶皮无脱落、破损
A. 对
B. 错
【判断题】
CRH380A统型动车组对车顶板进行清洗。清扫车顶,清除防滑带杂物,清除车顶焊接夹杂的杂物
A. 对
B. 错
【判断题】
CRH380A统型动车组动车组达到 30km/h 以上时侧拉压紧装置会启动,将门和车体压紧密贴,保证气密性
A. 对
B. 错
【判断题】
CRH380A统型动车组压紧装置是通过油压动力缸来顶住侧门,将门和车体压紧密贴,保证车内的气密性
A. 对
B. 错
【判断题】
《CRH380A统型动车组二级检修计划表》中所列检修周期的项目由预防性检修和更正性检修两部分组成
A. 对
B. 错
【判断题】
CRH380A统型动车组接地电阻检查及测量,棘轮扳手配合17mm套筒拆下2500和2500A线,用万用表测量接地电阻阻值,阻值0.5±0.05Ω
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修保压试验两端都需试验,试验期间用风设备停用。( )
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修停放制动试验,左旋停放制动旋钮至释放位,确认MON屏制动气缸压力界面1、4、5、8车“停放”显示消除。操作制动控制手柄置“B7”位,按压“紧急复位”按钮,MON屏制动信息界面“紧急”、“停放”显示消除。( )
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修前舱设备检查:空气管路开闭器处于关闭位,重联时重联端处于开启位;分并装置处于分割位,重联时重联端处于合并位;过渡车钩组件齐全良好。( )
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修检查端墙小桌板安装螺钉有无松动滑丝、翻转有无异常现象,如下翻过载力较弱时,使用M6内六角扳手调整桌板两端内六角螺栓。(过载力在10-12Kg在范围内)( )
A. 对
B. 错
【判断题】
CRH2A统型动车组轮缘厚度一级检修限度是26mm≤e≤33mm。( )
A. 对
B. 错
【判断题】
CRH380A统型动车组牵引中心销与横向挡距离一级检修限度是20mm-22mm。( )
A. 对
B. 错
【判断题】
CRH2A统型动车组二级检修辅助空压机检查作业中,当辅助空压到780±10kpa时,准备未完亮红灯,启动辅助空压机,当风压力在880±10kPa时,辅助空压机停止工作。( )
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修周期为≤4000+400公里或运用48小时.
A. 对
B. 错
【判断题】
测量隔离开关闸刀磨合处厚度,在自由状态下两弹簧片间距离≤7.5mm,闸刀接触部分厚度≥9mm。( )
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修作业中,轮对内侧距1352~1355 mm。( )
A. 对
B. 错
【判断题】
CRH2A统型动车组,受电弓专项检查时,检查弓角无裂纹,表面磨损纵向宽度大于4mm时更换( )
A. 对
B. 错
【判断题】
CRH2A统型动车组一级检修作业中原则上动车组润滑件、磨耗件、紧固件故障以及在1小时左右可以处理完毕的故障属于一级修处理的范围。( )
A. 对
B. 错
【判断题】
CRH2A统型动车组保压试验须保压2分钟,确认总风压力下降不得大于20kpa。(只需试验一端,试验期间用风设备停用。) ( )
A. 对
B. 错
【判断题】
CRH380A统型动车组辅助电源装置在1、5、8 车。( )
A. 对
B. 错
推荐试题
【单选题】
Which type of Adapter does not require vmkernel networking? ___
A. Independent Hardware iSCSI Adapter
B. Dependent Hardware iSCSI Adapter
C. Software iSCSI Adapter
D. Software FCoE Adapter
【单选题】
During the installation of ESXi 6.0, the following error message is reported: Hardware Virtualization is not a feature of the CPU, or is not enabled in the BIOS. Which condition would generate this message? ___
A. LAHF/SAHF is not enabled in the BIOS.
B. NX/XD is not enabled in the BIOS.
C. SSE3 is not enabled in the BIOS.
D. Hyperthreading is not enabled in the BIOS.
【单选题】
An administrator is unable to login to vCenter Server when using the vSphere web client. The administrator successfully accessed vCenter Server using the client earlier the same day. What is the most appropriate first step the administrator should take to resolve this issue? ___
A. Verify the web browser being used has Adobe Flash plugin version 11.5 or later
B. Verify the vCenter Single Sign-On service is running on the vCenter Server
C. Verify the vSphere Web Server service is running on the vCenter Server
D. Verify the administrator has permissions configured in vCenter Server
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets two conditions: <high virtual CPU> <high active memory consumption> The alarm is malfunctioning and triggering when either condition is met instead of both. What can be done to correct the issue? ___
A. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory.
D. Delete the existing alarm and create a new event based alarm.
【单选题】
What must be enabled to ensure that VM Component Protection (VMCP) works in a High Availability cluster? ___
A. VMware Tools Virtual Machine Communication Interface (VMCI)
B. Fault Tolerance
C. Atomic Test and Set (ATS)
D. All Paths Down (APD) Timeout
【单选题】
An administrator wants to add a web server to an existing multi-tier application consisting of three virtual machines: <A web server> <A database server An application server> The web server should be added to the application when the primary web server reaches: <70% vCPU utilization> <55% active memory> Which option will achieve this result? ___
A. Create a virtual machine alarm with an action to run a script that starts a new instance of the web server.
B. Create a host cpu and memory alarm with an action to run a script that starts a new instance of the webserver.
C. Configure HA application monitoring for the web server and set it to trigger deployment of a new instance of the web server.
D. Configure Fault Tolerance on the virtual machine and leave the secondary machine disabled until needed.
【单选题】
An administrator has an application that requires connection directly to PCI devices through a virtual machine. What is a limitation of this configuration? ___
A. Devices must be reserved for PCI passthrough on at least one host on which the virtual machine will run.
B. Snapshots are not supported with DirectPath I/O passthrough devices.
C. A maximum of 18 PCI vSphere
D. irectPath devices can be added to a virtual machine.
【单选题】
The vSphere administrator is configuring directory services for an ESXi host: What should the vSphere administrator do to configure the host to use CAM services? ___
A. Check the Use vSphere Authentication Proxy checkbox.
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【单选题】
Which statement is true regarding the licensing of vCenter Server? ___
A. The license for vCenter Server must be provided at the time of installation.
B. Changing the license assigned to vCenter Server requires a restart of the vCenter Server service.
C. Virtual machines can still be powered on if the vCenter Server license expires.
D. Licensing for a single vCenter Server installation is determined by the number of managed virtual machines.
【单选题】
When configuring vSphere Replication for a virtual machine, what is the lowest Recovery Point Objective (RPO) that can be selected? ___
A. 1 min
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C. 10 min
D. 15min
【单选题】
A developer needs to create a multi-tier development stack for a home lab. Which vSphere product will support the architecture required for the least software cost? ___
A. vSphere Hypervisor
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【单选题】
An administrator is installing Windows into a virtual machine. The DVD has been mounted on the Host and configured for the virtual machine as shown in the Exhibit. Based on the exhibit, when the virtual machine is booted, why would it attempt to search for a PXE server? ___
A. The CD/DVD device is not connected.
B. The ISO is in the incorrect storage location.
C. The OS minimum requirements have not been met.
D. The CD/DVD device is not set to Client Device.
【单选题】
What component must be installed prior to deploying a vCenter Server in vSphere 6.x? ___
A. vCenter Identity Services
B. Platform Services Controller
C. vCenter Single Sign-On
D. Client Integration Plug-In
【单选题】
What is a valid plug-in status for a plug-in that has been added to a vSphere client? ___
A. Disabled
B. Unknown
C. Stopped
D. Installed
【单选题】
Users of an application are reporting performance issues. The following performance values are observed in the vSphere Web Client: <Host CPU utilization is 90%> <Virtual Machine memory utilization is consistently greater than 90% CPU Ready values are higher than 20%> What could be the cause of the application performance issue? ___
A. The host is lacking the CPU resources required to meet the demand.
B. The host is lacking the memory resources required to meet the demand.
C. The virtual machine is lacking the CPU resources required to meet the demand.
D. The virtual machine is lacking the memory resources required to meet the demand.
【单选题】
An administrator creates an ESXi cluster using vSphere Auto Deploy. The ESXi hosts are configured to get a management IP address from a DHCP server. The administrator needs to troubleshoot the management network on one of the hosts. Which DCUI option should the administrator use to renew the DHCP lease? ___
A. Restart Management Network
B. Restore Network Settings
C. Test Management Network
D. Configure Management Network
【单选题】
An administrator is re-provisioning an ESXi host and moving it to another datacenter. Which DCUI option should the administrator use to revert the system configuration to the default settings? ___
A. Reset System Configuration
B. Rebuild Default System Configuration
C. Revert System Configuration
D. Renew Default System Configuration
【单选题】
An administrator has just completed installing an ESXi 6.x host, but doesn't know what address has been configured. Where is the ESXi host IP address configured? ___
A. RVC console
B. Direct Console User Interface
C. vSphere Web Client
D. vSphere Client
【单选题】
When is it possible to place a VMFS5 datastore in maintenance mode? ___
A. When it is a member of a Storage DRS cluster
B. When it is a member of Virtual SAN cluster
C. When it is a member of a multi-extent datastore
D. When it is a member of a Virtual Volume
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Which Single Sign-On deployment mode should an administrator use for two 6.x vCenter Servers configured with linked mode? ___
A. Basic Single Sign-On with vCenter Server Heartbeat
B. Multisite Single Sign-On
C. Basic Single Sign-On
D. Single Sign-On with Linked Mode
【单选题】
What is required when changing a virtual machine name using the vSphere Web Client? ___
A. Verify connectivity to the ESXi host where the virtual machine is running and its inventory list is accessible.
B. Verify in which datastore the virtual machine resides and that you have access and its inventory list is accessible.
C. Verify that virtual machine files are stored in the same datastore and can be accessed in the datastore browser list.
D. Verify the virtual machine is not running in Fault Tolerant mode and that it is not in a Distributed Resource Scheduler cluster.
【单选题】
An administrator deploys vRealize Operations into a vSphere 6.x environment. After the deployment, the administrator notices that badges are not appearing. What is a likely cause of this behavior? ___
A. Badges do not appear until you register vRealize Operations with vCenter Server.
B. Badges do not appear until you register a vCenter Server in vRealize Operations.
C. The vRealize Operations appliance needs to be redeployed.
D. The vCenter Server appliance needs to be redeployed.
【单选题】
How are ports scaled on vSphere Standard Switches (vSS)? ___
A. Ports on a vSS can be dynamically scaled up and down.
B. Ports on a vSS can only be statically scaled up or down.
C. Ports on a vSS can only be dynamically scaled down.
D. Ports on a vSS can only be dynamically scaled up.
【单选题】
A High Availability (HA) cluster is configured to respond to a given number of host failures. The cluster contains virtual machines configured with these settings: VM1 has a 1GHz CPU reservation and no Memory reservation VM2 has a 2GHz CPU reservation and no Memory reservation VM3 has no CPU reservation and no Memory reservation . Given this information, what is the correct slot size for the cluster? ___
A. The CPU Reservation should be set to 32MHz and the memory reservation should be set to 32MB plus memory overhead.
B. The CPU reservation should be set to 1 GHz and the memory reservation should be set to 0MB plus memory overhead.
C. The CPU reservation should be set to 2 GHz, and the memory reservation should be set to 0MB plus the virtual machine memory overhead.
D. The CPU reservation should be set to 2 GHz, and the memory reservation should be set to 32MB, plus the virtual machine memory overhead.
【单选题】
An administrator is planning a vSphere infrastructure with the following specific networking requirements: <The ability to shape inbound (RX) traffic> <Support for Private VLANs (PVLANs)> <Support for LLDP (Link Layer Discovery Protocol)>. What is the minimum vSphere Edition that will support these requirements? ___
A. vSphere Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
When you add an ESXi 6.x host to a new Cluster, which vSphere object owns the CPU and Memory resources of the hosts? ___
A. vCenter Server
B. Datacenter
C. Cluster
D. Host
【单选题】
A user is trying to retrieve objects from a SharePoint server and finds the request is taking an excessive amount of time. An administrator tries to isolate the issue and notes the following: Application performance is poor when compared to virtual machines on other hosts. Performance improves when the virtual machine is moved to another host. The virtual machine encounters higher than expected CPU %Ready times. What conclusion can be reached regarding the performance issues for this virtual machine? ___
A. Host Power Management is directly impacting virtual machine performance.
B. The virtual machine has a large number of snapshots.
C. The Path Selection Policy for the storage device is set differently on the affected host.
D. Network I/O control is configured for the portgroup.
【单选题】
A virtual machine template is accidently removed from the vCenter Server Inventory. Which method would be used to recover the template back into the environment?___
A. Use the datastore browser to locate the template, then right click and add the .vmtx file to inventory.
B. Use the datastore browser to locate the template, then right click and add the .vmx file to inventory.
C. Using the Managed Object Browser and adding the template from the ManagedObjectReference:GuestFileManager object.
D. Using the Managed Object Browser and adding the template from the ManagedObjectReference:VirtualDiskManager object.
【单选题】
A vSphere administrator needs to backup a virtual machine that has a Microsoft SQL Server Database installed. Which solution allows for an application quiesce to occur during backup?___
A. VMware vCenter Converter
B. VMware vCenter Site Recovery Manager
C. VMware vSphere Replication
D. VMware vSphere Data Protection Advanced
【单选题】
An administrator is migrating a virtual machine from a Test cluster to a Production cluster. The two environments do not have any shared storage. What is the easiest way to accomplish this task? ___
A. Perform a Storage vMotion.
B. Perform a regular vMotion.
C. Perform a Virtual to Virtual migration.
D. Perform a backup and restore using VMware Data Protection.
【单选题】
An administrator must determine an appropriate backup solution, given these conditions: 50 of the virtual machines are in a resource pool named Finance. 50 of the virtual machines are in a resource pool named QA. Which solution allows an administrator the ability to backup 100 virtual machines? ___
A. Use Snapshot Manager on the vCenter Server to backup the virtual machines.
B. Use the VMware Consolidated Backup (vcb) tool on the ESXi Host to backup the virtual machines.
C. Use the VMware Data Recovery (VDR) Appliance on the vCenter Server to backup the virtual machines.
D. Use the VMware Data Protection (VDP) Appliance on one of the
E. SXi Hosts to backup the virtual machines.
【单选题】
What is a benefit of using Enhanced vMotion Compatibility for an environment? ___
A. EVC masks CPU features to allow compatibility between hosts that are dissimilar.
B. EVC allows for cross platform vMotion to occur.
C. EVC enables Long
D. istance vMotion.
【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
A. 64
B. 96
C. 128
D. 256
【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
A. 64
B. 96
C. 128
D. 256
【单选题】
An administrator needs to verify that vMotion operations can be performed in a vSphere data center.What round trip time (RTT) latency is the maximum value that will allow vMotion operations to succeed? ___
A. 50ms RTT
B. 100ms RTT
C. 150ms RTT
D. 200ms RTT
【单选题】
A storage administrator has reported that full utilization of all bandwidth from an ESXi 6.x host is not being seen. In troubleshooting the issue, the Adapter details are shown in the Exhibit. Based on the exhibit, what is cause of the issue? ___
A. The array is not setup to use the correct multipathing policy.
B. There are no virtual machines on the ESXi host.
C. Not all links are used because a path is disabled.
D. Another path needs to be configured.
【单选题】
An administrator is migrating a powered-on virtual machine, as shown in the exhibit. Which option should be selected to perform a Storage vMotion of the VM? ___
A. Change storage only
B. Change VM compute resource only
C. Change both compute resource and storage, changing the compute resource first.
D. Change both compute resource and storage, changing the storage resource first.
【单选题】
An administrator is attempting to enable Storage I/O Control on a datastore, but it is failing. What is the likely reason for this failure? ___
A. The host is connected to a datastore is running on ESX 4.0.
B. The host is connected to a Fibre Channel storage array.
C. The datastore has multiple extents.
D. The datastore is managed by a single vCenter Server.