What configuration option would ensure that a virtual NUMA t_答案

【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

B. numa.vcpu.followcorespersocket

C. numa.vcpu.maxPerVirtualNode

D. numa.vcpu.min

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答案

解析

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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

B. 16 TB

C. 8 TB

D. 12 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

B. das.isolationshutdowntimeout

C. das.maxresets

D. fdm.isolationpolicydelaysec

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【单选题】

What vSphere technology enables the administrator to ensure consistent configuration at scale?___

A. PowerCLI

B. Host Profiles

C. esxcli

D. vSphere Web Client

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Which port is used for vSphere HA agent-to-agent communication?___

A. 443

B. 8182

C. 22

D. 902

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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

B. export.json

C. export-upgrade-runner.log

D. vcdb_export.out

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【单选题】

Bidirectional CHAP is support by which storage initiator?___

A. software FCoE HBA

B. Fibre Channel HBA

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D. dependent 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.

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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

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【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.

B. Power off VM1.

C. Power on and power off VM1.

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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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B. Configure the right subnet.

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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

B. virtual machines

C. datastores

D. vCenter Server

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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

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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

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【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.

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【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.

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【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.

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D. Reset.

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【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.

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【单选题】

Which statement is true regarding the use of VMFS3 datastores with vSphere 6.5?___

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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.

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【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.

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C. VM6 cannot be powered on.

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【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.

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【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

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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

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【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

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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.

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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

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【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.

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【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.

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【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.

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【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.

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Which two features require the use of Host Profiles? (Choose two.)___

A. Host Customizations

B. shared storage

C. Auto

D. eploy

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【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

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【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

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【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.

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【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.

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【多选题】

If vCenter Server 5.5 installation has one or more services deployed remotely, which three services are relocated to vCenter Server 6.5 on upgrade? (Choose three.)___

A. vCenter Inventory Services

B. vSphere Authentication Proxy

C. vSphere Web Client

D. vSphere

E. SXi Dump Collector

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【多选题】

What two debugging levels can a virtual machine be configured to? (Choose two.)___

A. Verbose

B. Debugging

C. Statistics

D. Trivia

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【多选题】

What are three benefits of using a few large-capacity LUNs instead of many small-capacity LUNs? (Choose three.) ___

A. Better performance because there is less contention for a single volume.

B. More flexibility for resizing virtual disks.

C. Less wasted storage space.

D. More flexibility to create virtual machines without adding new LUNs.

E. Fewer VMFS datastores to manage.

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【多选题】

Which two configurable options are available in Boot Options for a virtual machine? (Choose two.)___

A. Tools Upgrades

B. Encryption

C. Firmware

D. Force BIOS setup

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【多选题】

Which three VMware-recommended best practices should an administrator follow before upgrading to vSphere 6.5? (Choose three.)___

A. Disconnect ESXi host from vCenter.

B. VMware Tools are installed in the virtual machine.

C. Ensure that the system hardware complies with ESXi requirements.

D. Back up the host.

E. Check the interoperability of any other software integrated with vSphere.

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规定按线路允许速度检算，未被平衡欠超高不得大于( )，否则应进行调整。 ___

A. 110mm

B. 120mm

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联络线、出入线的最大坡度不宜大于( )(均不考虑各种坡度折减值) ___

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线路坡段长度不宜小于远期地铁列车长度，并应满足相邻竖曲线间的夹直线长度的要求，其夹直线长度不宜小于( )。 ___

A. 40m

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【单选题】

正线的最大坡度不宜大于( )。 ___

A. 2‰

B. 3‰

C. 4‰

D. 5‰

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【单选题】

隧道内和路堑地段的正线最小坡度不宜小于（）。 ___

A. 1‰

B. 2‰

C. 3‰

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地面和高架桥上正线最小坡度为（）。 ___

A. 1‰

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无缝线路（seamless rail、continuous welded rail）是由许多根标准长度的钢轨焊接成为不小于的长钢轨连续铺设的轨道线路。 ___

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【单选题】

温度应力式无缝线路伸缩区长度根据计算确定，一般为（）。 ___

A. 50-100m

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【单选题】

无缝线路固定区长度根据线路及施工条件确定，最短不得短于（）。 ___

A. 40m

B. 50m

C. 60m

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【单选题】

定期放散温度应力式无缝线路根据当地轨温条件，把钢轨内部的温度应力每年调整放散（）次。 ___

A. 4～5

B. 3～4

C. 2～3

D. 1～2

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【单选题】

普通无缝线路因普遍设置缓冲区而使焊接长钢轨的长度限制在（）以内的无缝线路。 ___

A. 1～2

B. 2～3

C. 3～4

D. 4～5

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【单选题】

筒放散法是先封锁线路，然后将钢轨扣件全部松开，拆除长轨条端部的接头夹板，在长轨条底部每隔（）放置一滚筒。 ___

A. 5-10m

B. 10-15m

C. 15-20m

D. 20-25m

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钢轨伸缩调节器(Expansion Rail Joint)主要用于跨度大于（）的连续梁桥铺设的无缝线路上、以及道岔附近。 ___

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单线路基采用梯形路拱，拱高（）。 ___

A. 0.1m

B. 0.15m

C. 0.2m

D. 0.25m

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一次修筑的双线路基采用三角形路拱，拱高（）。 ___

A. 0.2m

B. 0.3m

C. 0.4m

D. 0.5m

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为设置规定的线路标志和信号标志提供空间路肩宽度不得小于（）。 ___

A. 0.2m

B. 0.3m

C. 0.4m

D. 2m

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在路堤坡脚与取土坑间设置的带状地面称为天然护道。护道宽度不得小于（）。 ___

A. 5m

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在路堤坡脚与取土坑间设置的带状地面称为天然护道。护道宽度不得小于2m，向外做成（）的斜坡。 ___

A. 1%一2%

B. 2%一4%

C. 3%一5%

D. 4%一6%

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通常将贯通的取土坑设置成底部为（）。 ___

A. 1‰一6‰

B. 2‰一6‰

C. 2‰一8‰

D. 1‰一8‰

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路基设置中侧沟的深度和底宽均应不小于（）。 ___

A. 0.4m

B. 0.5m

C. 0.6m

D. 0.7m

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路基设置中沟底纵向坡度应不小于（）。 ___

A. 5‰

B. 4‰

C. 3‰

D. 2‰

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路基设置中土质边坡坡度为（）。 ___

A. 1：1-1：1.5

B. 1：1-1：1.5

C. 1：1.5-1：2

D. 1：2-1：2.5

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平台宽度根据路堑深度和地层性质等因素确定，一般为（）。 ___

A. 0.5~1.0m

B. 1~1.5m

C. 1.5~2m

D. 2~2.5m

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平台宽度根据路堑深度和地层性质等因素确定并向侧沟方向做成（），便于横向排水。 ___

A. 1%~2%

B. 2%~4%

C. 4%~6%

D. 6%~8%

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设置地面排水设施时，横向排水坡一般不小于（）(路拱的高度就是按此横坡确定的)，以便迅速排水。 ___

A. 1‰

B. 2‰

C. 3‰

D. 4‰

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设置地面排水设施时，纵坡不小于（），不大于（）。 ___

A. 2‰ 8‰

B. 3‰ 9‰

C. 4‰ 10‰

D. 5‰ 12‰

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普通排水沟，底宽一般为（），深度为（）。 ___

A. 0.2m 0.4m

B. 0.4m 0.6m

C. 0.6m 0.8m

D. 0.8m 1m

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小桥:长度在（）及以下的桥梁称为小桥。 ___

A. 5m

B. 10m

C. 20m

D. 25m

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【单选题】

中桥:长度在（）的桥梁称为中桥。 ___

A. 40m-120m

B. 40m-10Om

C. 20m-120m

D. 20m-10Om

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大桥:长度在（）的桥梁称为大桥。 ___

A. 100m-300m

B. 100m-400m

C. 100m-500m

D. 100m-600m

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特大桥:长度在（）以上的桥梁称为特大桥。 ___

A. 400m

B. 500m

C. 600m

D. 700m

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圆形隧道内径为（），由6块钢筋混凝土管片装配成环。 ___

A. 4.5m

B. 5.0m

C. 5.5m

D. 6.0m

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圆形隧道内径为5.5m，由（）块钢筋混凝土管片装配成环。 ___

A. 0.3

B. 0.4

C. 0.5

D. 0.6

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矩形隧道单线净断面为（）(宽)×（）(高)，双线净宽为9.5~14.6m，为现浇钢筋混凝土结构。 ___

A. 4.3 m 5m

B. 4.2 m 5.5m

C. 4.1 m 6m

D. 4.0 m 6.5m

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矩形隧道单线净断面为4.3 m(宽)×5m(高)，双线净宽为（），为现浇钢筋混凝土结构。 ___

A. 9.2~14.3m

B. 9.3~14.4m

C. 9.4~14.5m

D. 9.5~14.6m

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根据大量实测资料分析结果表明自路基下0.5m深度范围内受动力影响最大，路基面下（）处路基动应力约为路基面应力的三分之一。 ___

A. 0.5m

B. 1.Om

C. 1.5m

D. 2.Om

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破底清筛后，枕下清碎厚度不少于（）。 ___

A. 250mm

B. 300mm

C. 350mm

D. 400mm

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清筛时，枕心处低于枕底（），枕头处低于枕底150mm，枕头土垅应筛至路基面。 ___

A. 250mm

B. 200mm

C. 150mm

D. 100mm

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清筛时，枕心处低于枕底100mm，枕头处低于枕底（），枕头土垅应筛至路基面。 ___

A. 100mm

B. 150mm

C. 200mm

D. 250mm

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