【多选题】
关于支距说法正确的三项是？ ___
A. 支距是指直基本轨工作边到导曲线上股工作边的距离
B. 测量支距需要使用支距尺
C. 支距可以反映出方向及导曲线圆顺度的状态
D. 支距无法反映出轨道线路状态，所以可以不用测量
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相关试题
【多选题】
下列关于道岔尖轨检修说法正确的是哪三项？ ___
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
【多选题】
下列关于施工安全，说法正确的是哪三项？ ___
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，再走请消点流程也无所谓
【多选题】
下列关于施工负责人证说法正确的两项是？ ___
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】
钢轨轻伤标准有？ ___
A. 轨头下颏透锈长度不超过30mm
B. 钢轨低头（包括轨端踏面压伤和磨耗在内）超过3mm（用1m直尺测量最低处矢度）
C. 轨端或轨顶面剥落掉块，其长度超过15mm，深度超过4mm
D. 钢轨探伤人员或轨道工长认为有伤损的钢轨
E. 轨端或轨顶面剥落掉块，其长度不超过15mm，深度超过4mm
【多选题】
钢轨重伤标准有？ ___
A. 钢轨在任何部位有裂纹
B. 钢轨面存在波型磨耗
C. 轨头下颏透锈长度超过30mm
D. 轨端或轨顶面剥落掉块，其长度超过30mm，深度超过8mm
E. 钢轨顶面擦伤深度超过2mm
【多选题】
钢轨折断标准有？ ___
A. 钢轨全截面至少断成两部分
B. 裂纹已经贯通整个轨头截面
C. 裂纹已经贯通整个轨底截面
D. 钢轨顶面上有长大于40mm，深大于10mm的掉块
E. 钢轨顶面上有长大于50mm，深大于10mm的掉块
【多选题】
接头联接零件的功能有哪些？ ___
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哪些要求？ ___
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】
无缝线路的优点有哪些？ ___
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】
下列哪些属于混凝土轨枕（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】
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
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【单选题】
Which port is used for communication between ESXi and vSphere Data protection?___
A. 80
B. 443
C. 902
D. 22
【单选题】
What can prevent Storage DRS from functioning on a datastore?___
A. The datastore is configured for Virtual Machine Swapfile location.
B. The datastore is shared across multiple datacenters.
C. The datastore is connected to a host that is running Storage I/O Control.
D. Storage DRS advanced option IgnoreAffinityRulesForMaintenance is set to 1.
【单选题】
When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___
A. Verbose
B. Trivia
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【单选题】
What new feature is introduced in NFS 4.1 on ESXi 6.5?___
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【单选题】
What configuration option would ensure that a virtual NUMA topology is defined on VMs having more than eight virtual CPUs?___
A. cupid.coresPerSocket
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【单选题】
What is the minimum disk space required to deploy vSphere Data Protection (VDP) with 8 TB configuration?___
A. 4 TB
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【单选题】
What advanced option for vSphere HA defines a maximum number of reset attempts by VMCP for a virtual machine?___
A. das.maxterminates
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C. das.maxresets
D. fdm.isolationpolicydelaysec
【单选题】
What vSphere technology enables the administrator to ensure consistent configuration at scale?___
A. PowerCLI
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【单选题】
Which port is used for vSphere HA agent-to-agent communication?___
A. 443
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Which log file would assist in identifying an issue that occurred during the database export phase of a vCenter Server upgrade process?___
A. vcdb_import.out
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Bidirectional CHAP is support by which storage initiator?___
A. software FCoE HBA
B. Fibre Channel HBA
C. independent hardware iSCSI HBA
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【单选题】
What is a pool of raw storage capacity that a storage system can provide to Virtual Volumes?___
A. protocol endpoint
B. storage container
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【单选题】
vSphere 6.5 DRS is now Network-Aware. Based on network utilization, when will DRS balance VMs?___
A. DRS will balance VMs when a network resource pool is configured for VMs.
B. DRS will balance VMs when Network I/O Control is enabled.
C. DRS will place VMs on initial boot for hosts that have network utilization lower that the threshold.
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【单选题】
A scripted upgrade of ESXi fails due to an incorrect parameter in the upgrade script. What file must the administrator modify to correct the problem?___
A. vmreconfig.pl
B. hostinfo.pl
C. ks.cfg
D. boot.cfg
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machine VM2. If a user is a member of group A and B, what action can the user perform?___
A. Suspend VM2.
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【单选题】
The networking team has requested to have a dedicated network for iSCSI traffic. This task has been assigned to the vSphere Administrator. What is the VMware-recommended way to accomplish this?___
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【单选题】
To prevent possible failures or issues during a vSphere upgrade, which component should be upgraded first?___
A. ESXi Hosts
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【单选题】
What is the command for updating an ESXi host?___
A. esxcli software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
B. esxupdate software update –d”/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
C. esxcli software update –d “/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
D. esxupdate software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
【单选题】
A vSphere Administrator would like to identify which physical NUMA node their virtual machine is currently residing on. What esxtop metric would provide this information?___
A. GST_ND[x]
B. OVD_ND[x]
C. NRMEM
D. NHN
【单选题】
How can a vSphere administrator ensure that two virtual machines never run on the same datastore in a datastore cluster, while permitting the VMs to be load-balanced?___
A. Use an Intra-VM Anti-Affinity Rule.
B. Configure a storage DRS VM override.
C. Disable storage
D. RS for the VMs.
【单选题】
What is the VMware-recommended way to move a physical adapter out of Network I/O Control’s scope?___
A. Set the teaming policy to “Route Based on Physical NIC Load.”
B. Add the vmnic to the Net.NetNiocAllowOverCommit parameter in Advanced System Settings.
C. Add the vmnic to the Net.IOControlPnicOptOut parameter in Advanced System Settings.
D. Move the vmnic to a different vmUplink port on the Distributed Switch.
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machines, defined on the VM folder and its children. If a user is a member of Groups A and B, what will be the user’s effective permission on VM1 and VM2?___
A. Power on
B. Power off.
C. Power on and Power off.
D. Reset.
【单选题】
Group 1 is granted console interaction on a VM folder. User 1 is granted no console interaction on the same VM folder. What will be the outcome if User 1 tries to access the console of a virtual machine?___
A. User 1 will not be able to access the virtual machines in the VM folder.
B. User 1 will not have access to the virtual machine console.
C. User 1 will have access to the virtual machine console.
D. User 1 will have console access only via the vSphere Web Client.
【单选题】
Which statement is true regarding the use of VMFS3 datastores with vSphere 6.5?___
A. VMFS3 datastores can be used but not created.
B. VMFS3 datastores can be neither used nor created.
C. VMFS3 datastores will be present but unmounted.
D. VMFS3 datastores can be created and used.
【单选题】
In the Exhibit, each VM has a 1GHz non-expandable reservation. If all VMs are powered on in sequence, what would be the outcome?___
A. VM4 cannot be powered on.
B. VM5 cannot be powered on.
C. VM6 cannot be powered on.
D. VM3 cannot be powered on.
【单选题】
vSphere 6.5 introduced MAClearning capabilities for VMware’s virtual switches. What three benefits will it provide? (Choose three.)___
A. Reduced memory consumption.
B. Reduced consumption of extra CPU cycles.
C. Increased network throughput.
D. Prevent packet flooding inside the vSwitch.
【单选题】
What is the default pathing policy for most active-active arrays?___
A. Fixed
B. Most Recently Used
C. Dynamic
D. isk Morroring
【单选题】
Which command will show the iSCSI sessions on a ESXi 6.5 host?___
A. esxcli storage iscsi session get
B. esxcli iscsi session get
C. esxcli storage iscsi session
D. esxcli iscsi session list
【单选题】
Which of the following is not a parameter for traffic filtering or marking?___
A. virtual port ID
B. Protocol
C. Traffic Direction
D. DSCP value
E. Traffic redirection
【单选题】
A vSphere administrator wants to enable a virtual machine with Secure Boot, but in VM setting, Secure Boot option was not found under Boot Options. What could be the cause?___
A. The virtual hardware is not compatible.
B. The virtual machine has missing drivers.
C. The virtual machine OS does not support secure boot.
D. VMware Tools is not upgraded.
【单选题】
A virtual machine is connected on a distributed port group where the average bandwidth configured in the traffic shaping policy is 100 Mbps. The VM network adapter is configured with a reservation of 200 Mbps. What is the VM’s effective bandwidth?___
A. 200 Mbps
B. 100 Mbps
C. 150 Mbps
D. 400 Mbps
【多选题】
What are two reasons why a datastore in a Storage DRS cluster cannot enter maintenance mode?(Choose two.)___
A. Storage latency is too high to allow Storage DRS initiate Storage vMotion.
B. Storage DRS is configured for a VMFS3 datastore.
C. Storage
D. RS is disabled on the virtual disk.
【多选题】
What two methods are used to configure VMware vSphere Storage I/O Control shares and limits? (Choose two.)___
A. Assign shares and limits to VM virtual disks.
B. Assign shares and limits to datastores.
C. Assign shares and limits to Storage (DRS) clusters.
D. Assign shares and limits using VM storage policies.
【多选题】
ESXi 6.5 introduces VMFS6, which supports both 512e and 512n devices. What three configurations are supported when using these devices? (Choose three.) ___
A. Hosts with both 512e and 512n devices.
B. Storage vMotion between both 512e and 512n devices.
C. Datastore Extents spanned between both 512e and 512n devices.
D. Storage DRS clusters containing only both 512e and 512n devices.
【多选题】
A vSphere Administrator observes that the Primary VM configured with Fault Tolerance is executing slowly. After further investigation, it is determined that the Secondary VM is on an overcommitted ESXi host. What two methods will correct the problem? (Choose two.)___
A. Use Storage vMotion to migrate the Secondary VM to another datastore.
B. Use vMotion to migrate the Secondary VM to a different ESXi host.
C. Configure a CPU limit on the Primary VM which will also apply to the Secondary VM.
D. Turn off and turn on FT in order to recreate the Secondary VM on a different datastore.
【多选题】
Which two features require the use of Host Profiles? (Choose two.)___
A. Host Customizations
B. shared storage
C. Auto
D. eploy
【多选题】
What three processes on the vCenter Server Appliance (VCSA) does“vmware-watchdog monitor? (Choose three.) ___
A. vmware-eam
B. vmcad
C. vmware-vpostgres
D. vpxd
E. vsan-health
【多选题】
What three processes on the vCenter Server Appliance (VCSA) does“vmware-watchdog monitor? (Choose three.) ___
A. vmware-eam
B. vmcad
C. vmware-vpostgres
D. vpxd
E. vsan-health
【多选题】
Which two statements correctly describe VM-Host affinity rules? (Choose two.) ___
A. When there is more than one VM-Host affinity rule in a vSphere DRS cluster, the rules are applied equally.
B. After creating a VM-Host affinity rule, its ability to function in relation to other rules is predetermined.
C. When there is more than one VM-Host affinity rule in a vSphere
D. RS cluster, the rules will be ranked.
【多选题】
An administrator wants to enable proactive HA by moving virtual machines automatically if a hardware alert is triggered. What are the three required settings? (Choose three.)___
A. Set vSphere DRS Automation to Partially Automated.
B. Turn on Proactive HA.
C. Set the Proactive HA Automation Level to Manual.
D. Set the Proactive HA Automation Level to Automated.
E. Turn on vSphere HA and vSphere DRS.
